{"pageNumber":"125","pageRowStart":"3100","pageSize":"25","recordCount":11370,"records":[{"id":70036243,"text":"70036243 - 2011 - Status and trend of the Kittlitz's Murrelet Brachyramphus brevirostris in Glacier Bay, Alaska","interactions":[],"lastModifiedDate":"2018-04-04T16:20:26","indexId":"70036243","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2675,"text":"Marine Ornithology: Journal of Seabird Research and Conservation","onlineIssn":"2074-1235","printIssn":"1018-3337","active":true,"publicationSubtype":{"id":10}},"displayTitle":"Status and trend of the Kittlitz's Murrelet <i>Brachyramphus brevirostris</i> in Glacier Bay, Alaska","title":"Status and trend of the Kittlitz's Murrelet Brachyramphus brevirostris in Glacier Bay, Alaska","docAbstract":"<p>We conducted standardized surveys for marine birds in Glacier Bay in seven years between 1991 and 2008. From our most recent survey, a combination of line- and strip-transect methods completed in 2008, we estimated that 4981 (95% CI 1293–8670) Kittlitz’s Murrelets <i>Brachyramphus brevirostris</i> resided in Glacier Bay during the month of June, together with 12 195 (5607–18 783) Marbled Murrelets <i>B. marmoratus</i>. When counts were prorated to assign unidentified <i>Brachyramphus murrelets</i> to species, population estimates increased to 5641 Kittlitz’s Murrelets and 13 810 Marbled Murrelets. Our surveys of bird numbers in Glacier Bay between 1991 and 2008 revealed that Kittlitz’s Murrelet declined by ≥85% during this period. Trend analysis suggested a rate of decline between -10.7% and -14.4% per year. No direct human impacts (e.g., bycatch, oil pollution, vessel disturbance) in our study area could fully account for a decline of this magnitude. Widespread declines of <i>Brachyramphus murrelets</i> and Harbor Seals <i>Phoca vitulina</i> in the Gulf of Alaska during the 1980s-1990s suggest large-scale influences on these marine predators, perhaps related to climate-mediated cycles in food supply. Other natural factors that may impact Glacier Bay populations include predation by avian and terrestrial predators, widespread glacial retreat and its effect on nesting and foraging habitats, and competition for food with marine predators whose abundance in&nbsp;Glacier Bay has increased markedly in recent years (Humpback Whales <i>Megaptera novaeangliae</i> and Steller Sea Lions <i>Eumetopias jubatus</i>).</p>","language":"English","publisher":"Pacific Seabird Group","usgsCitation":"Piatt, J.F., Arimitsu, M.L., Drew, G.S., Madison, E.N., Bodkin, J.L., and Romano, M.D., 2011, Status and trend of the Kittlitz's Murrelet Brachyramphus brevirostris in Glacier Bay, Alaska: Marine Ornithology: Journal of Seabird Research and Conservation, v. 39, no. 1, p. 65-75.","productDescription":"11 p.","startPage":"65","endPage":"75","costCenters":[{"id":114,"text":"Alaska Science Center","active":true,"usgs":true}],"links":[{"id":246120,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":353166,"rank":2,"type":{"id":15,"text":"Index Page"},"url":"https://www.marineornithology.org/content/get.cgi?rn=914"}],"country":"United States","state":"Alaska","otherGeospatial":"Glacier Bay","volume":"39","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505b9793e4b08c986b31bb3e","contributors":{"authors":[{"text":"Piatt, John F. 0000-0002-4417-5748 jpiatt@usgs.gov","orcid":"https://orcid.org/0000-0002-4417-5748","contributorId":3025,"corporation":false,"usgs":true,"family":"Piatt","given":"John","email":"jpiatt@usgs.gov","middleInitial":"F.","affiliations":[{"id":117,"text":"Alaska Science Center Biology WTEB","active":true,"usgs":true},{"id":116,"text":"Alaska Science Center Biology MFEB","active":true,"usgs":true},{"id":114,"text":"Alaska Science Center","active":true,"usgs":true}],"preferred":true,"id":455073,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Arimitsu, Mayumi L. 0000-0001-6982-2238 marimitsu@usgs.gov","orcid":"https://orcid.org/0000-0001-6982-2238","contributorId":140501,"corporation":false,"usgs":true,"family":"Arimitsu","given":"Mayumi","email":"marimitsu@usgs.gov","middleInitial":"L.","affiliations":[{"id":116,"text":"Alaska Science Center Biology MFEB","active":true,"usgs":true}],"preferred":true,"id":455071,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Drew, Gary S. 0000-0002-6789-0891 gdrew@usgs.gov","orcid":"https://orcid.org/0000-0002-6789-0891","contributorId":3311,"corporation":false,"usgs":true,"family":"Drew","given":"Gary","email":"gdrew@usgs.gov","middleInitial":"S.","affiliations":[{"id":114,"text":"Alaska Science Center","active":true,"usgs":true},{"id":116,"text":"Alaska Science Center Biology MFEB","active":true,"usgs":true}],"preferred":true,"id":455069,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Madison, Erica N. emadison@usgs.gov","contributorId":3409,"corporation":false,"usgs":true,"family":"Madison","given":"Erica","email":"emadison@usgs.gov","middleInitial":"N.","affiliations":[{"id":116,"text":"Alaska Science Center Biology MFEB","active":true,"usgs":true}],"preferred":true,"id":455070,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Bodkin, James L. 0000-0003-1641-4438 jbodkin@usgs.gov","orcid":"https://orcid.org/0000-0003-1641-4438","contributorId":748,"corporation":false,"usgs":true,"family":"Bodkin","given":"James","email":"jbodkin@usgs.gov","middleInitial":"L.","affiliations":[{"id":114,"text":"Alaska Science Center","active":true,"usgs":true},{"id":116,"text":"Alaska Science Center Biology MFEB","active":true,"usgs":true}],"preferred":true,"id":455074,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Romano, Marc D.","contributorId":73528,"corporation":false,"usgs":true,"family":"Romano","given":"Marc","email":"","middleInitial":"D.","affiliations":[{"id":114,"text":"Alaska Science Center","active":true,"usgs":true}],"preferred":false,"id":455072,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}}
,{"id":70036406,"text":"70036406 - 2011 - Sea ice loss enhances wave action at the Arctic coast","interactions":[],"lastModifiedDate":"2021-01-13T16:27:04.817748","indexId":"70036406","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1807,"text":"Geophysical Research Letters","active":true,"publicationSubtype":{"id":10}},"title":"Sea ice loss enhances wave action at the Arctic coast","docAbstract":"<p><span>Erosion rates of permafrost coasts along the Beaufort Sea accelerated over the past 50 years synchronously with Arctic‐wide declines in sea ice extent, suggesting a causal relationship between the two. A fetch‐limited wave model driven by sea ice position and local wind data from northern Alaska indicates that the exposure of permafrost bluffs to seawater increased by a factor of 2.5 during 1979–2009. The duration of the open water season expanded from ∼45 days to ∼95 days. Open water expanded more rapidly toward the fall (∼0.92 day yr</span><sup>−1</sup><span>), when sea surface temperatures are cooler, than into the mid‐summer (∼0.71 days yr</span><sup>−1</sup><span>).Time‐lapse imagery demonstrates the relatively efficient erosive action of a single storm in August. Sea surface temperatures have already decreased significantly by fall, reducing the potential impact of thermal erosion due to fall season storm waves.</span></p>","largerWorkTitle":"Geophysical Research Letters","language":"English","publisher":"American Geophysical Union","doi":"10.1029/2011GL048681","issn":"00948276","usgsCitation":"Overeem, I., Anderson, R., Wobus, C., Clow, G.D., Urban, F.E., and Matell, N., 2011, Sea ice loss enhances wave action at the Arctic coast: Geophysical Research Letters, v. 38, no. 17, L17503, 6 p., https://doi.org/10.1029/2011GL048681.","productDescription":"L17503, 6 p.","costCenters":[{"id":318,"text":"Geosciences and Environmental Change Science Center","active":true,"usgs":true}],"links":[{"id":487170,"rank":10000,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1029/2011gl048681","text":"Publisher Index Page"},{"id":246129,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":218144,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1029/2011GL048681"}],"volume":"38","issue":"17","noUsgsAuthors":false,"publicationDate":"2011-09-09","publicationStatus":"PW","scienceBaseUri":"505b87d8e4b08c986b3166af","contributors":{"authors":[{"text":"Overeem, I.","contributorId":92087,"corporation":false,"usgs":true,"family":"Overeem","given":"I.","affiliations":[],"preferred":false,"id":455974,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Anderson, R. Scott","contributorId":6983,"corporation":false,"usgs":false,"family":"Anderson","given":"R. Scott","affiliations":[{"id":7034,"text":"School of Earth Sciences and Environmental Sustainability at Northern Arizona University, in Flagstaff","active":true,"usgs":false}],"preferred":false,"id":455969,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Wobus, C.W.","contributorId":82834,"corporation":false,"usgs":true,"family":"Wobus","given":"C.W.","email":"","affiliations":[],"preferred":false,"id":455972,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Clow, Gary D. 0000-0002-2262-3853 clow@usgs.gov","orcid":"https://orcid.org/0000-0002-2262-3853","contributorId":2066,"corporation":false,"usgs":true,"family":"Clow","given":"Gary","email":"clow@usgs.gov","middleInitial":"D.","affiliations":[{"id":318,"text":"Geosciences and Environmental Change Science Center","active":true,"usgs":true}],"preferred":true,"id":455971,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Urban, Frank E. 0000-0002-1329-1703 furban@usgs.gov","orcid":"https://orcid.org/0000-0002-1329-1703","contributorId":3129,"corporation":false,"usgs":true,"family":"Urban","given":"Frank","email":"furban@usgs.gov","middleInitial":"E.","affiliations":[{"id":318,"text":"Geosciences and Environmental Change Science Center","active":true,"usgs":true}],"preferred":false,"id":455970,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Matell, N.","contributorId":89751,"corporation":false,"usgs":true,"family":"Matell","given":"N.","email":"","affiliations":[],"preferred":false,"id":455973,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}}
,{"id":70036404,"text":"70036404 - 2011 - Three-dimensional model of an ultramafic feeder system to the Nikolai Greenstone mafic large igneous province, central Alaska Range","interactions":[],"lastModifiedDate":"2021-01-13T16:37:43.695197","indexId":"70036404","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1757,"text":"Geochemistry, Geophysics, Geosystems","active":true,"publicationSubtype":{"id":10}},"title":"Three-dimensional model of an ultramafic feeder system to the Nikolai Greenstone mafic large igneous province, central Alaska Range","docAbstract":"<p><span>The Amphitheater Mountains and southern central Alaska Range expose a thick sequence of Triassic Nikolai basalts that is underlain by several mafic‐ultramafic complexes, the largest and best exposed being the Fish Lake and Tangle (FL‐T) mafic‐ultramafic sills that flank the Amphitheater Mountains synform. Three‐dimensional (3‐D) modeling of gravity and magnetic data reveals details of the structure of the Amphitheater Mountains, such as the orientation and thickness of Nikolai basalts, and the geometry of the FL‐T intrusions. The 3‐D model (50 × 70 km) includes the full geographic extent of the FL‐T complexes and consists of 11 layers. Layer surfaces and properties (density and magnetic susceptibility) were modified by forward and inverse methods to reduce differences between the observed and calculated gravity and magnetic grids. The model suggests that the outcropping FL‐T sills are apparently connected and traceable at depth and reveals variations in thickness, shape, and orientation of the ultramafic bodies that may identify paths of magma flow. The model shows that a significant volume (2000 km</span><sup>3</sup><span>) of ultramafic material occurs in the subsurface, gradually thickening and plunging westward to depths exceeding 4 km. This deep ultramafic material is interpreted as the top of a keel or root system that supplied magma to the Nikolai lavas and controlled emplacement of related magmatic intrusions. The presence of this deep, keel‐like structure, and asymmetry of the synform, supports a sag basin model for development of the Amphitheater Mountains structure and reveals that the feeders to the Nikolai are much more extensive than previously known.</span></p>","language":"English","publisher":"American Geophysical Union","doi":"10.1029/2011GC003508","issn":"15252027","usgsCitation":"Glen, J.M., Schmidt, J.M., and Connard, G.G., 2011, Three-dimensional model of an ultramafic feeder system to the Nikolai Greenstone mafic large igneous province, central Alaska Range: Geochemistry, Geophysics, Geosystems, v. 12, no. 6, Q06018, 24 p., https://doi.org/10.1029/2011GC003508.","productDescription":"Q06018, 24 p.","costCenters":[{"id":309,"text":"Geology and Geophysics Science Center","active":true,"usgs":true}],"links":[{"id":475141,"rank":10000,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1029/2011gc003508","text":"Publisher Index Page"},{"id":246608,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":218583,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1029/2011GC003508"}],"country":"United States","state":"Alaska","otherGeospatial":"Central Alaska Range","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -149.501953125,\n              62.471723714758724\n            ],\n            [\n              -141.943359375,\n              62.471723714758724\n            ],\n            [\n              -141.943359375,\n              64.28275952823394\n            ],\n            [\n              -149.501953125,\n              64.28275952823394\n            ],\n            [\n              -149.501953125,\n              62.471723714758724\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"12","issue":"6","noUsgsAuthors":false,"publicationDate":"2011-06-28","publicationStatus":"PW","scienceBaseUri":"505bb33ee4b08c986b325c79","contributors":{"authors":[{"text":"Glen, Jonathan M.G. 0000-0002-3502-3355 jglen@usgs.gov","orcid":"https://orcid.org/0000-0002-3502-3355","contributorId":176530,"corporation":false,"usgs":true,"family":"Glen","given":"Jonathan","email":"jglen@usgs.gov","middleInitial":"M.G.","affiliations":[{"id":309,"text":"Geology and Geophysics Science Center","active":true,"usgs":true},{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"preferred":true,"id":455964,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Schmidt, Jeanine M. jschmidt@usgs.gov","contributorId":3138,"corporation":false,"usgs":true,"family":"Schmidt","given":"Jeanine","email":"jschmidt@usgs.gov","middleInitial":"M.","affiliations":[{"id":119,"text":"Alaska Science Center Geology Minerals","active":true,"usgs":true}],"preferred":true,"id":455965,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Connard, G. G.","contributorId":20354,"corporation":false,"usgs":true,"family":"Connard","given":"G.","email":"","middleInitial":"G.","affiliations":[],"preferred":false,"id":455963,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70193259,"text":"70193259 - 2011 - Radiotelemetry to estimate stream life of adult chum salmon in the McNeil River, Alaska","interactions":[],"lastModifiedDate":"2017-11-15T14:50:33","indexId":"70193259","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2886,"text":"North American Journal of Fisheries Management","active":true,"publicationSubtype":{"id":10}},"title":"Radiotelemetry to estimate stream life of adult chum salmon in the McNeil River, Alaska","docAbstract":"<p><span>Estimating salmon escapement is one of the fundamental steps in managing salmon populations. The area-under-the-curve (AUC) method is commonly used to convert periodic aerial survey counts into annual salmon escapement indices. The AUC requires obtaining accurate estimates of stream life (SL) for target species. Traditional methods for estimating SL (e.g., mark–recapture) are not feasible for many populations. Our objective in this study was to determine the average SL of chum salmon&nbsp;</span><i>Oncorhynchus keta</i><span><span>&nbsp;</span>in the McNeil River, Alaska, through radiotelemetry. During the 2005 and 2006 runs, 155 chum salmon were fitted with mortality-indicating radio tags as they entered the McNeil River and tracked until they died. A combination of remote data loggers, aerial surveys, and foot surveys were used to determine the location of fish and provide an estimate of time of death. Higher predation resulted in tagged fish below McNeil Falls having a significantly shorter SL (12.6 d) than those above (21.9 d). The streamwide average SL (13.8 d) for chum salmon at the McNeil River was lower than the regionwide value (17.5 d) previously used to generate AUC indices of chum salmon escapement for the McNeil River. We conclude that radiotelemetry is an effective tool for estimating SL in rivers not well suited to other methods.</span></p>","language":"English","publisher":"Taylor & Francis","doi":"10.1080/02755947.2011.574080","usgsCitation":"Peirce, J., Otis, E.O., Wipfli, M.S., and Follmann, E., 2011, Radiotelemetry to estimate stream life of adult chum salmon in the McNeil River, Alaska: North American Journal of Fisheries Management, v. 31, no. 2, p. 315-322, https://doi.org/10.1080/02755947.2011.574080.","productDescription":"8 p.","startPage":"315","endPage":"322","ipdsId":"IP-013106","costCenters":[{"id":199,"text":"Coop Res Unit Leetown","active":true,"usgs":true}],"links":[{"id":348914,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Alaska","otherGeospatial":"McNeil River","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -154.2978286743164,\n              59.0957028026867\n            ],\n            [\n              -154.2037582397461,\n              59.0957028026867\n            ],\n            [\n              -154.2037582397461,\n              59.13843678215489\n            ],\n            [\n              -154.2978286743164,\n              59.13843678215489\n            ],\n            [\n              -154.2978286743164,\n              59.0957028026867\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"31","issue":"2","publishingServiceCenter":{"id":9,"text":"Reston PSC"},"noUsgsAuthors":false,"publicationDate":"2011-05-02","publicationStatus":"PW","scienceBaseUri":"5a6107fce4b06e28e9c25632","contributors":{"authors":[{"text":"Peirce, Joshua","contributorId":42510,"corporation":false,"usgs":true,"family":"Peirce","given":"Joshua","email":"","affiliations":[],"preferred":false,"id":722265,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Otis, Edward O.","contributorId":19065,"corporation":false,"usgs":true,"family":"Otis","given":"Edward","email":"","middleInitial":"O.","affiliations":[],"preferred":false,"id":722266,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Wipfli, Mark S. 0000-0002-4856-6068 mwipfli@usgs.gov","orcid":"https://orcid.org/0000-0002-4856-6068","contributorId":1425,"corporation":false,"usgs":true,"family":"Wipfli","given":"Mark","email":"mwipfli@usgs.gov","middleInitial":"S.","affiliations":[{"id":200,"text":"Coop Res Unit Seattle","active":true,"usgs":true}],"preferred":true,"id":718461,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Follmann, Erich H.","contributorId":75049,"corporation":false,"usgs":true,"family":"Follmann","given":"Erich H.","affiliations":[],"preferred":false,"id":722267,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70174866,"text":"70174866 - 2011 - Northwestern forested mountains: Chapter 8","interactions":[],"lastModifiedDate":"2018-02-21T15:43:13","indexId":"70174866","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":1,"text":"Federal Government Series"},"seriesTitle":{"id":32,"text":"General Technical Report","active":false,"publicationSubtype":{"id":1}},"seriesNumber":"NRS-80","title":"Northwestern forested mountains: Chapter 8","docAbstract":"<p>Th e Northwestern Forested Mountains are ecologically diverse and geographically widespread, encompassing the mountain ecosystems of central and northwestern North America (CEC 1997; Figure 2.2). Th e ecoregion description is adapted from CEC (1997). Geographically, they extend from the Rocky Mountains and the Sierra Nevada north through the Siskiyous, the east side of the Cascade Range, and then east of the Coast Ranges to interior Alaska. Climatically, the region is characterized by a transition from a moist, maritime climate in the northwest, to a continental and drier climate in the Rockies in the southeast. Orographically generated rainfall creates both rain shadows and wet belts, often in close proximity.</p>","largerWorkType":{"id":18,"text":"Report"},"largerWorkTitle":"Assessment of N deposition effects and empirical critical loads of N for ecoregions of the United States","largerWorkSubtype":{"id":1,"text":"Federal Government Series"},"language":"English","publisher":"U.S. Department of Agriculture, Forest Service, Northern Research Station","usgsCitation":"Bowman, W., Baron, J., Geiser, L., Fenn, M., and Lilleskov, E., 2011, Northwestern forested mountains: Chapter 8: General Technical Report NRS-80, 14 p.","productDescription":"14 p.","startPage":"75","endPage":"88","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-023453","costCenters":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"links":[{"id":325431,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":325430,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://www.treesearch.fs.fed.us/pubs/38109"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"578f4f2fe4b0ad6235cf0032","contributors":{"authors":[{"text":"Bowman, W.D.","contributorId":41780,"corporation":false,"usgs":true,"family":"Bowman","given":"W.D.","email":"","affiliations":[],"preferred":false,"id":642891,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Baron, Jill 0000-0002-5902-6251 jill_baron@usgs.gov","orcid":"https://orcid.org/0000-0002-5902-6251","contributorId":194124,"corporation":false,"usgs":true,"family":"Baron","given":"Jill","email":"jill_baron@usgs.gov","affiliations":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"preferred":true,"id":642892,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Geiser, L.H.","contributorId":70260,"corporation":false,"usgs":true,"family":"Geiser","given":"L.H.","email":"","affiliations":[],"preferred":false,"id":642893,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Fenn, M.E.","contributorId":68686,"corporation":false,"usgs":true,"family":"Fenn","given":"M.E.","email":"","affiliations":[],"preferred":false,"id":642894,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Lilleskov, E.A.","contributorId":9139,"corporation":false,"usgs":true,"family":"Lilleskov","given":"E.A.","email":"","affiliations":[],"preferred":false,"id":642895,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70036758,"text":"70036758 - 2011 - Regional contamination versus regional dietary differences: Understanding geographic variation in brominated and chlorinated contaminant levels in polar bears","interactions":[],"lastModifiedDate":"2020-12-22T17:09:39.336543","indexId":"70036758","displayToPublicDate":"2011-01-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1565,"text":"Environmental Science & Technology","onlineIssn":"1520-5851","printIssn":"0013-936X","active":true,"publicationSubtype":{"id":10}},"title":"Regional contamination versus regional dietary differences: Understanding geographic variation in brominated and chlorinated contaminant levels in polar bears","docAbstract":"<p><span>The relative contribution of regional contamination versus dietary differences to geographic variation in polar bear (</span><i>Ursus maritimus</i><span>) contaminant levels is unknown. Dietary variation between Alaska, Canada, East Greenland, and Svalbard subpopulations was assessed by muscle nitrogen and carbon stable isotope (δ</span><sup>15</sup><span>N, δ</span><sup>13</sup><span>C) and adipose fatty acid (FA) signatures relative to their main prey (ringed seals). Western and southern Hudson Bay signatures were characterized by depleted δ</span><sup>15</sup><span>N and δ</span><sup>13</sup><span>C, lower proportions of C</span><sub>20</sub><span>&nbsp;and C</span><sub>22</sub><span>&nbsp;monounsaturated FAs and higher proportions of C</span><sub>18</sub><span>&nbsp;and longer chain polyunsaturated FAs. East Greenland and Svalbard signatures were reversed relative to Hudson Bay. Alaskan and Canadian Arctic signatures were intermediate. Between-subpopulation dietary differences predominated over interannual, seasonal, sex, or age variation. Among various brominated and chlorinated contaminants, diet signatures significantly explained variation in adipose levels of polybrominated diphenyl ether (PBDE) flame retardants (14−15%) and legacy PCBs (18−21%). However, dietary influence was contaminant class-specific, since only low or nonsignificant proportions of variation in organochlorine pesticide (e.g., chlordane) levels were explained by diet. Hudson Bay diet signatures were associated with lower PCB and PBDE levels, whereas East Greenland and Svalbard signatures were associated with higher levels. Understanding diet/food web factors is important to accurately interpret contaminant trends, particularly in a changing Arctic.</span></p>","language":"English","publisher":"American Chemical Society","doi":"10.1021/es102781b","issn":"0013936X","usgsCitation":"McKinney, M., Letcher, R.J., Aars, J., Born, E., Branigan, M., Dietz, R., Evans, T., Gabrielsen, G.W., Muir, D., Peacock, E.L., and Sonne, C., 2011, Regional contamination versus regional dietary differences: Understanding geographic variation in brominated and chlorinated contaminant levels in polar bears: Environmental Science & Technology, v. 45, no. 3, p. 896-902, https://doi.org/10.1021/es102781b.","productDescription":"7 p.","startPage":"896","endPage":"902","costCenters":[{"id":114,"text":"Alaska Science Center","active":true,"usgs":true}],"links":[{"id":245855,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":217882,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1021/es102781b"}],"volume":"45","issue":"3","noUsgsAuthors":false,"publicationDate":"2010-12-17","publicationStatus":"PW","scienceBaseUri":"50e4a4b5e4b0e8fec6cdbc17","contributors":{"authors":[{"text":"McKinney, M.A.","contributorId":75788,"corporation":false,"usgs":true,"family":"McKinney","given":"M.A.","email":"","affiliations":[],"preferred":false,"id":457686,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Letcher, R. J.","contributorId":8062,"corporation":false,"usgs":true,"family":"Letcher","given":"R.","middleInitial":"J.","affiliations":[],"preferred":false,"id":457681,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Aars, Jon","contributorId":91338,"corporation":false,"usgs":false,"family":"Aars","given":"Jon","email":"","affiliations":[{"id":7238,"text":"Norwegian Polar Institute","active":true,"usgs":false}],"preferred":false,"id":457687,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Born, E.W.","contributorId":7508,"corporation":false,"usgs":true,"family":"Born","given":"E.W.","email":"","affiliations":[],"preferred":false,"id":457680,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Branigan, Marsha","contributorId":55236,"corporation":false,"usgs":false,"family":"Branigan","given":"Marsha","email":"","affiliations":[{"id":33080,"text":"Environment and Natural Resources, Government of Northwest Territories, Inuvik, NT, Canada","active":true,"usgs":false}],"preferred":false,"id":457684,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Dietz, R.","contributorId":17061,"corporation":false,"usgs":true,"family":"Dietz","given":"R.","email":"","affiliations":[],"preferred":false,"id":457682,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Evans, T.J.","contributorId":97734,"corporation":false,"usgs":true,"family":"Evans","given":"T.J.","email":"","affiliations":[],"preferred":false,"id":457690,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Gabrielsen, Geir W.","contributorId":57688,"corporation":false,"usgs":false,"family":"Gabrielsen","given":"Geir","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":457685,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Muir, D.C.G.","contributorId":92021,"corporation":false,"usgs":true,"family":"Muir","given":"D.C.G.","affiliations":[],"preferred":false,"id":457688,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Peacock, Elizabeth L. 0000-0001-7279-0329 lpeacock@usgs.gov","orcid":"https://orcid.org/0000-0001-7279-0329","contributorId":3361,"corporation":false,"usgs":true,"family":"Peacock","given":"Elizabeth","email":"lpeacock@usgs.gov","middleInitial":"L.","affiliations":[{"id":116,"text":"Alaska Science Center Biology MFEB","active":true,"usgs":true}],"preferred":false,"id":457683,"contributorType":{"id":1,"text":"Authors"},"rank":10},{"text":"Sonne, C.","contributorId":92077,"corporation":false,"usgs":true,"family":"Sonne","given":"C.","affiliations":[],"preferred":false,"id":457689,"contributorType":{"id":1,"text":"Authors"},"rank":11}]}}
,{"id":70261832,"text":"70261832 - 2010 - Patterns of use and distribution of king eiders and black scoters during the annual cycle in northeastern Bristol Bay, Alaska","interactions":[],"lastModifiedDate":"2024-12-30T15:34:19.899097","indexId":"70261832","displayToPublicDate":"2020-06-16T15:37:38","publicationYear":"2010","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2660,"text":"Marine Biology","active":true,"publicationSubtype":{"id":10}},"title":"Patterns of use and distribution of king eiders and black scoters during the annual cycle in northeastern Bristol Bay, Alaska","docAbstract":"<p><span>Northeastern Bristol Bay, Alaska, which includes three large estuaries, is used by multiple sea duck species during the annual cycle. Limited aerial surveys indicate that this area supports tens of thousands of king eiders and black scoters during spring migration and the autumn molt. Existing satellite telemetry data were used to assess the temporal patterns of habitat use and spatial distribution of king eiders and black scoters in northeastern Bristol Bay throughout the annual cycle. King eiders used northeastern Bristol Bay during all months of the annual cycle and black scoters used the area during spring through fall. Both species exhibited a similar seasonal pattern of use that corresponded with the timing of life-cycle stages. Abundance of both species was highest during spring migration and the autumn molting period and lowest during summer. Use by king eiders did not occur during all winter months in every year of the study. King eiders were more broadly distributed than black scoters and were located farther from shore in deeper water. Core use areas had minimal overlap, suggesting a degree of spatial segregation between species and a preference for different habitats in northeastern Bristol Bay. Further study of potential variation in invertebrate community structure that may correlate with the observed interspecific spatial segregation in habitat use is needed to determine preferred forage and describe habitat requirements for each species. Such information is necessary to assess the potential impact that future anthropogenic or environmental changes may have on habitat quality of northeastern Bristol Bay and demography of Pacific sea duck populations that use this area.</span></p>","language":"English","publisher":"Springer","doi":"10.1007/s00227-010-1481-x","usgsCitation":"Schamber, J.L., Flint, P.L., and Powell, A.N., 2010, Patterns of use and distribution of king eiders and black scoters during the annual cycle in northeastern Bristol Bay, Alaska: Marine Biology, v. 157, p. 2169-2176, https://doi.org/10.1007/s00227-010-1481-x.","productDescription":"8 p.","startPage":"2169","endPage":"2176","ipdsId":"IP-020509","costCenters":[{"id":114,"text":"Alaska Science Center","active":true,"usgs":true},{"id":200,"text":"Coop Res Unit Seattle","active":true,"usgs":true}],"links":[{"id":465517,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Alaska","otherGeospatial":"Bering Sea, Bristol Bay, Egegik Bay, Kvichak Bay, Nushagak Bay","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -161.98543737174253,\n              58.922937850867356\n            ],\n            [\n              -161.98543737174253,\n              57.10836069028835\n            ],\n            [\n              -157.60187371983994,\n              57.10836069028835\n            ],\n            [\n              -157.60187371983994,\n              58.922937850867356\n            ],\n            [\n              -161.98543737174253,\n              58.922937850867356\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    }\n  ]\n}","volume":"157","noUsgsAuthors":false,"publicationDate":"2010-06-16","publicationStatus":"PW","contributors":{"authors":[{"text":"Schamber, Jason L","contributorId":269800,"corporation":false,"usgs":false,"family":"Schamber","given":"Jason","email":"","middleInitial":"L","affiliations":[{"id":7058,"text":"Alaska Department of Fish and Game","active":true,"usgs":false}],"preferred":false,"id":921986,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Flint, Paul L. 0000-0002-8758-6993 pflint@usgs.gov","orcid":"https://orcid.org/0000-0002-8758-6993","contributorId":3284,"corporation":false,"usgs":true,"family":"Flint","given":"Paul","email":"pflint@usgs.gov","middleInitial":"L.","affiliations":[{"id":114,"text":"Alaska Science Center","active":true,"usgs":true},{"id":117,"text":"Alaska Science Center Biology WTEB","active":true,"usgs":true}],"preferred":true,"id":921987,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Powell, Abby N. 0000-0002-9783-134X abby_powell@usgs.gov","orcid":"https://orcid.org/0000-0002-9783-134X","contributorId":171426,"corporation":false,"usgs":true,"family":"Powell","given":"Abby","email":"abby_powell@usgs.gov","middleInitial":"N.","affiliations":[{"id":200,"text":"Coop Res Unit Seattle","active":true,"usgs":true}],"preferred":true,"id":921988,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70120779,"text":"70120779 - 2010 - The use of genetics for the management of a recovering population: temporal assessment of migratory peregrine falcons in North America","interactions":[],"lastModifiedDate":"2018-08-20T18:22:50","indexId":"70120779","displayToPublicDate":"2013-08-18T09:30:00","publicationYear":"2010","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2980,"text":"PLoS ONE","active":true,"publicationSubtype":{"id":10}},"title":"The use of genetics for the management of a recovering population: temporal assessment of migratory peregrine falcons in North America","docAbstract":"<p>Background:Our ability to monitor populations or species that were once threatened or endangered and in the process of recovery is enhanced by using genetic methods to assess overall population stability and size over time.  This can be accomplished most directly by obtaining genetic measures from temporally-spaced samples that reflect the overall stability of the population as given by changes in genetic diversity levels (allelic richness and heterozygosity), degree of population differentiation (F<sub>ST</sub> and D<sub>EST</sub>), and effective population size (N<sub>e</sub>).  The primary goal of any recovery effort is to produce a long-term self-sustaining population, and these measures provide a metric by which we can gauge our progress and help make important management decisions.</p>  \n<br>\n<p>Methodology/Principal Findings:The peregrine falcon in North America (<i>Falco peregrinus tundrius</i> and <i>anatum</i>) was delisted in 1994 and 1999, respectively, and its abundance will be monitored by the species Recovery Team every three years until 2015.  Although the United States Fish and Wildlife Service makes a distinction between <i>tundrius</i> and <i>anatum</i> subspecies, our genetic results based on eleven microsatellite loci, including those from Brown et al. (2007), suggest no differentiation and warrant delineation of a subspecies in its northern latitudinal distribution from Alaska through Canada into Greenland.  Using temporal samples collected at Padre Island, Texas during migration (seven temporal time periods between 1985-2007), no significant differences in genetic diversity or significant population differentiation in allele frequencies between time periods were observed and were indistinguishable from those obtained from <i>tundrius/anatum</i> breeding locations throughout their northern distribution.  Estimates of harmonic mean N<sub>e</sub> were variable and imprecise, but always greater than 500 when employing multiple temporal genetic methods.</p>\n<br>\n<p>These results, including those from simulations to assess the power of each method to estimate Ne, suggest a stable population consistent with data from field-based monitoring indicating that this species is stable or continuing to increase in abundance.  Therefore, historic and continuing efforts to prevent the extinction of the peregrine falcon in North America appear successful, further highlighting the importance of archiving samples for continual assessment of population recovery and long-term viability.</p>","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"PLoS ONE","largerWorkSubtype":{"id":10,"text":"Journal Article"},"publisher":"PloS ONE","doi":"10.1371/journal.pone.0014042","usgsCitation":"Johnson, J., Talbot, S.L., Sage, G.K., Burnham, K.K., Brown, J.W., Maechtle, T.L., Seegar, W.S., Yates, M.A., Anderson, B., and Mindell, D.P., 2010, The use of genetics for the management of a recovering population: temporal assessment of migratory peregrine falcons in North America: PLoS ONE, v. 5, no. 11, e14042; 15 p., https://doi.org/10.1371/journal.pone.0014042.","productDescription":"e14042; 15 p.","ipdsId":"IP-022106","costCenters":[{"id":117,"text":"Alaska Science Center Biology WTEB","active":true,"usgs":true}],"links":[{"id":475457,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1371/journal.pone.0014042","text":"Publisher Index Page"},{"id":292376,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":292350,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1371/journal.pone.0014042"}],"volume":"5","issue":"11","noUsgsAuthors":false,"publicationDate":"2010-11-18","publicationStatus":"PW","scienceBaseUri":"53f25ff3e4b033341871897a","contributors":{"authors":[{"text":"Johnson, Jeff A.","contributorId":107208,"corporation":false,"usgs":true,"family":"Johnson","given":"Jeff A.","affiliations":[],"preferred":false,"id":498450,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Talbot, Sandra L. 0000-0002-3312-7214 stalbot@usgs.gov","orcid":"https://orcid.org/0000-0002-3312-7214","contributorId":140512,"corporation":false,"usgs":true,"family":"Talbot","given":"Sandra","email":"stalbot@usgs.gov","middleInitial":"L.","affiliations":[{"id":114,"text":"Alaska Science Center","active":true,"usgs":true},{"id":117,"text":"Alaska Science Center Biology WTEB","active":true,"usgs":true}],"preferred":true,"id":498441,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Sage, George K. 0000-0003-1431-2286 ksage@usgs.gov","orcid":"https://orcid.org/0000-0003-1431-2286","contributorId":87833,"corporation":false,"usgs":true,"family":"Sage","given":"George","email":"ksage@usgs.gov","middleInitial":"K.","affiliations":[{"id":117,"text":"Alaska Science Center Biology WTEB","active":true,"usgs":true}],"preferred":false,"id":498446,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Burnham, Kurt K.","contributorId":94221,"corporation":false,"usgs":true,"family":"Burnham","given":"Kurt","email":"","middleInitial":"K.","affiliations":[],"preferred":false,"id":498447,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Brown, Joseph W.","contributorId":66179,"corporation":false,"usgs":true,"family":"Brown","given":"Joseph","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":498444,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Maechtle, Tom L.","contributorId":102804,"corporation":false,"usgs":true,"family":"Maechtle","given":"Tom","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":498449,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Seegar, William S.","contributorId":97013,"corporation":false,"usgs":true,"family":"Seegar","given":"William","email":"","middleInitial":"S.","affiliations":[],"preferred":false,"id":498448,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Yates, Michael A.","contributorId":77058,"corporation":false,"usgs":true,"family":"Yates","given":"Michael","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":498445,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Anderson, Bud","contributorId":30920,"corporation":false,"usgs":true,"family":"Anderson","given":"Bud","email":"","affiliations":[],"preferred":false,"id":498443,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Mindell, David P.","contributorId":16762,"corporation":false,"usgs":false,"family":"Mindell","given":"David","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":498442,"contributorType":{"id":1,"text":"Authors"},"rank":10}]}}
,{"id":70044764,"text":"70044764 - 2010 - Peat","interactions":[],"lastModifiedDate":"2013-04-28T22:36:32","indexId":"70044764","displayToPublicDate":"2013-01-01T00:00:00","publicationYear":"2010","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2755,"text":"Mining Engineering","active":true,"publicationSubtype":{"id":10}},"title":"Peat","docAbstract":"In 2009, domestic production of peat, excluding Alaska, was estimated to be 610 kt (672,000 st), compared with 615 kt (678,000 st) in 2008. In 2009, imports decreased to 906 kt (999,000 st) compared with 936 kt (1 million st) in 2008, and exports were estimated to have increased to 77 kt (85,000 st) in 2009. U.S. apparent consumption for 2009 was estimated to be about the same as in 2008. World production was estimated to be about 25 Mt (27.5 million st) in 2009, which is about the same as 2008.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Mining Engineering","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"SME","usgsCitation":"Apodaca, L., 2010, Peat: Mining Engineering, v. 62, no. 6, p. 66-66.","productDescription":"1 p.","startPage":"66","endPage":"66","ipdsId":"IP-020295","costCenters":[{"id":432,"text":"National Minerals Information Center","active":true,"usgs":true}],"links":[{"id":271586,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"62","issue":"6","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"517e44f3e4b0eff6bc00321d","contributors":{"authors":[{"text":"Apodaca, L.E.","contributorId":73635,"corporation":false,"usgs":true,"family":"Apodaca","given":"L.E.","email":"","affiliations":[],"preferred":false,"id":476294,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70044492,"text":"70044492 - 2010 - Aviation response to a widely dispersed volcanic ash and gas cloud from the August 2008 eruption of Kasatochi, Alaska, USA","interactions":[],"lastModifiedDate":"2013-04-10T22:29:28","indexId":"70044492","displayToPublicDate":"2013-01-01T00:00:00","publicationYear":"2010","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2316,"text":"Journal of Geophysical Research D: Atmospheres","active":true,"publicationSubtype":{"id":10}},"title":"Aviation response to a widely dispersed volcanic ash and gas cloud from the August 2008 eruption of Kasatochi, Alaska, USA","docAbstract":"The extensive volcanic cloud from Kasatochi's 2008 eruption caused widespread disruptions to aviation operations along Pacific oceanic, Canadian, and U.S. air routes. Based on aviation hazard warnings issued by the National Oceanic and Atmospheric Administration, U.S. Geological Survey, the Federal Aviation Administration, and Meteorological Service of Canada, air carriers largely avoided the volcanic cloud over a 5 day period by route modifications and flight cancellations. Comparison of time coincident GOES thermal infrared (TIR) data for ash detection with Ozone Monitoring Instrument (OMI) ultraviolet data for SO<sub>2</sub> detection shows congruent areas of ash and gas in the volcanic cloud in the 2 days following onset of ash production. After about 2.5 days, the area of SO<sub>2</sub> detected by OMI was more extensive than the area of ash indicated by TIR data, indicating significant ash depletion by fall out had occurred. Pilot reports of visible haze at cruise altitudes over Canada and the northern United States suggested that SO<sub>2</sub> gas had converted to sulfate aerosols. Uncertain about the hazard potential of the aging cloud, airlines coped by flying over, under, or around the observed haze layer. Samples from a nondamaging aircraft encounter with Kasatochi's nearly 3 day old cloud contained volcanic silicate particles, confirming that some fine ash is present in predominantly gas clouds. The aircraft's exposure to ash was insufficient to cause engine damage; however, slightly damaging encounters with volcanic clouds from eruptions of Reventador in 2002 and Hekla in 2000 indicate the possibility of lingering hazards associated with old and/or diffuse volcanic clouds.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Journal of Geophysical Research D: Atmospheres","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"AGU","publisherLocation":"Washington, D.C.","doi":"10.1029/2010JD013868","usgsCitation":"Guffanti, M., Schneider, D.J., Wallace, K., Hall, T., Bensimon, D.R., and Salinas, L.J., 2010, Aviation response to a widely dispersed volcanic ash and gas cloud from the August 2008 eruption of Kasatochi, Alaska, USA: Journal of Geophysical Research D: Atmospheres, v. 115, no. D2, D00L19, https://doi.org/10.1029/2010JD013868.","productDescription":"D00L19","ipdsId":"IP-018797","costCenters":[{"id":243,"text":"Eastern Geology and Paleoclimate Science Center","active":true,"usgs":true}],"links":[{"id":270802,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":270801,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1029/2010JD013868"}],"country":"United States","state":"Alaska","otherGeospatial":"Kasatochi","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -175.53276,52.159789 ], [ -175.53276,52.190495 ], [ -175.482788,52.190495 ], [ -175.482788,52.159789 ], [ -175.53276,52.159789 ] ] ] } } ] }","volume":"115","issue":"D2","noUsgsAuthors":false,"publicationDate":"2010-11-23","publicationStatus":"PW","scienceBaseUri":"516689e0e4b0bba30b388bbf","contributors":{"authors":[{"text":"Guffanti, Marianne","contributorId":68257,"corporation":false,"usgs":true,"family":"Guffanti","given":"Marianne","affiliations":[],"preferred":false,"id":475724,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Schneider, David J. 0000-0001-9092-1054 djschneider@usgs.gov","orcid":"https://orcid.org/0000-0001-9092-1054","contributorId":633,"corporation":false,"usgs":true,"family":"Schneider","given":"David","email":"djschneider@usgs.gov","middleInitial":"J.","affiliations":[{"id":121,"text":"Alaska Volcano Observatory","active":false,"usgs":true}],"preferred":false,"id":475721,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Wallace, Kristi L.","contributorId":20054,"corporation":false,"usgs":true,"family":"Wallace","given":"Kristi L.","affiliations":[],"preferred":false,"id":475722,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Hall, Tony","contributorId":29284,"corporation":false,"usgs":true,"family":"Hall","given":"Tony","email":"","affiliations":[],"preferred":false,"id":475723,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Bensimon, Dov R.","contributorId":99852,"corporation":false,"usgs":true,"family":"Bensimon","given":"Dov","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":475726,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Salinas, Leonard J.","contributorId":86660,"corporation":false,"usgs":true,"family":"Salinas","given":"Leonard","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":475725,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}}
,{"id":70045703,"text":"70045703 - 2010 - Prevalence of antibodies to type A influenza virus in wild avian species using two serologic assays","interactions":[],"lastModifiedDate":"2018-01-03T14:46:56","indexId":"70045703","displayToPublicDate":"2013-01-01T00:00:00","publicationYear":"2010","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2507,"text":"Journal of Wildlife Diseases","active":true,"publicationSubtype":{"id":10}},"title":"Prevalence of antibodies to type A influenza virus in wild avian species using two serologic assays","docAbstract":"<p><span>Serologic testing to detect antibodies to avian influenza (AI) virus has been an underused tool for the study of these viruses in wild bird populations, which traditionally has relied on virus isolation and reverse transcriptase-polymerase chain reaction (RT-PCR). In a preliminary study, a recently developed commercial blocking enzyme-linked immunosorbent assay (bELISA) had sensitivity and specificity estimates of 82% and 100%, respectively, for detection of antibodies to AI virus in multiple wild bird species after experimental infection. To further evaluate the efficacy of this commercial bELISA and the agar gel immunodiffusion (AGID) test for AI virus antibody detection in wild birds, we tested 2,249 serum samples collected from 62 wild bird species, representing 10 taxonomic orders. Overall, the bELISA detected 25.4% positive samples, whereas the AGID test detected 14.8%. At the species level, the bELISA detected as many or more positive serum samples than the AGID in all 62 avian species. The majority of positive samples, detected by both assays, were from species that use aquatic habitats, with the highest prevalence from species in the orders Anseriformes and Charadriiformes. Conversely, antibodies to AI virus were rarely detected in the terrestrial species. The serologic data yielded by both assays are consistent with the known epidemiology of AI virus in wild birds and published reports of host range based on virus isolation and RT-PCR. The results of this research are also consistent with the aforementioned study, which evaluated the performance of the bELISA and AGID test on experimental samples. Collectively, the data from these two studies indicate that the bELISA is a more sensitive serologic assay than the AGID test for detecting prior exposure to AI virus in wild birds. 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,{"id":70041667,"text":"70041667 - 2010 - Interdisciplinary studies of eruption at Chaitén volcano, Chile","interactions":[],"lastModifiedDate":"2018-02-21T14:00:00","indexId":"70041667","displayToPublicDate":"2012-12-03T00:00:00","publicationYear":"2010","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1578,"text":"Eos, Transactions, American Geophysical Union","onlineIssn":"2324-9250","printIssn":"0096-394","active":true,"publicationSubtype":{"id":10}},"title":"Interdisciplinary studies of eruption at Chaitén volcano, Chile","docAbstract":"High-silica rhyolite magma fuels Earth's largest and most explosive eruptions. Recurrence intervals for such highly explosive eruptions are in the 100- to 100,000-year time range, and there have been few direct observations of such eruptions and their immediate impacts. Consequently, there was keen interest within the volcanology community when the first large eruption of high-silica rhyolite since that of Alaska's Novarupta volcano in 1912 began on 1 May 2008 at Chaitén volcano, southern Chile, a 3-kilometer-diameter caldera volcano with a prehistoric record of rhyolite eruptions [<i>Naranjo and Stern, 2004semi; Servicio Nacional de Geología y Minería (SERNAGEOMIN), 2008semi; Carn et al., 2009; Castro and Dingwell, 2009; Lara, 2009; Muñoz et al., 2009</i>]. Vigorous explosions occurred through 8 May 2008, after which explosive activity waned and a new lava dome was extruded.","language":"English","publisher":"American Geophysical Union (AGU)","doi":"10.1029/2010EO420001","usgsCitation":"Pallister, J.S., Major, J.J., Pierson, T.C., Holitt, R.P., Lowenstern, J.B., Eichelberger, J.C., Luis, L., Moreno, H., Muñoz, J., Castro, J.M., Iroumé, A., Andreoli, A., Jones, J., Swanson, F., and Crisafulli, C., 2010, Interdisciplinary studies of eruption at Chaitén volcano, Chile: Eos, Transactions, American Geophysical Union, v. 91, no. 42, https://doi.org/10.1029/2010EO420001.","startPage":"381","numberOfPages":"1","ipdsId":"IP-020523","costCenters":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"links":[{"id":475482,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1029/2010eo420001","text":"Publisher Index Page"},{"id":264082,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":264081,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1029/2010EO420001"}],"country":"Chile","volume":"91","issue":"42","noUsgsAuthors":false,"publicationDate":"2011-06-03","publicationStatus":"PW","scienceBaseUri":"50d04d14e4b0d83991d156b3","contributors":{"authors":[{"text":"Pallister, John S. 0000-0002-2041-2147 jpallist@usgs.gov","orcid":"https://orcid.org/0000-0002-2041-2147","contributorId":2024,"corporation":false,"usgs":true,"family":"Pallister","given":"John","email":"jpallist@usgs.gov","middleInitial":"S.","affiliations":[{"id":114,"text":"Alaska Science Center","active":true,"usgs":true},{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"preferred":true,"id":470078,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Major, Jon J. 0000-0003-2449-4466 jjmajor@usgs.gov","orcid":"https://orcid.org/0000-0003-2449-4466","contributorId":439,"corporation":false,"usgs":true,"family":"Major","given":"Jon","email":"jjmajor@usgs.gov","middleInitial":"J.","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"preferred":true,"id":470077,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Pierson, Thomas C. 0000-0001-9002-4273 tpierson@usgs.gov","orcid":"https://orcid.org/0000-0001-9002-4273","contributorId":2498,"corporation":false,"usgs":true,"family":"Pierson","given":"Thomas","email":"tpierson@usgs.gov","middleInitial":"C.","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"preferred":true,"id":470079,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Holitt, Richard P.","contributorId":49679,"corporation":false,"usgs":true,"family":"Holitt","given":"Richard","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":470089,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Lowenstern, Jacob B. 0000-0003-0464-7779 jlwnstrn@usgs.gov","orcid":"https://orcid.org/0000-0003-0464-7779","contributorId":2755,"corporation":false,"usgs":true,"family":"Lowenstern","given":"Jacob","email":"jlwnstrn@usgs.gov","middleInitial":"B.","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"preferred":true,"id":470080,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Eichelberger, John C.","contributorId":64971,"corporation":false,"usgs":true,"family":"Eichelberger","given":"John","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":470090,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Luis, Lara","contributorId":21044,"corporation":false,"usgs":true,"family":"Luis","given":"Lara","email":"","affiliations":[],"preferred":false,"id":470084,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Moreno, Hugo","contributorId":20232,"corporation":false,"usgs":true,"family":"Moreno","given":"Hugo","email":"","affiliations":[],"preferred":false,"id":470083,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Muñoz, Jorge","contributorId":23412,"corporation":false,"usgs":true,"family":"Muñoz","given":"Jorge","affiliations":[],"preferred":false,"id":470085,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Castro, Jonathan M.","contributorId":45198,"corporation":false,"usgs":true,"family":"Castro","given":"Jonathan","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":470088,"contributorType":{"id":1,"text":"Authors"},"rank":10},{"text":"Iroumé, Andrés","contributorId":40492,"corporation":false,"usgs":true,"family":"Iroumé","given":"Andrés","affiliations":[],"preferred":false,"id":470087,"contributorType":{"id":1,"text":"Authors"},"rank":11},{"text":"Andreoli, Andrea","contributorId":17502,"corporation":false,"usgs":true,"family":"Andreoli","given":"Andrea","email":"","affiliations":[],"preferred":false,"id":470082,"contributorType":{"id":1,"text":"Authors"},"rank":12},{"text":"Jones, Julia","contributorId":6740,"corporation":false,"usgs":true,"family":"Jones","given":"Julia","affiliations":[],"preferred":false,"id":470081,"contributorType":{"id":1,"text":"Authors"},"rank":13},{"text":"Swanson, Fred","contributorId":26596,"corporation":false,"usgs":true,"family":"Swanson","given":"Fred","email":"","affiliations":[],"preferred":false,"id":470086,"contributorType":{"id":1,"text":"Authors"},"rank":14},{"text":"Crisafulli, Charlie","contributorId":92140,"corporation":false,"usgs":true,"family":"Crisafulli","given":"Charlie","affiliations":[],"preferred":false,"id":470091,"contributorType":{"id":1,"text":"Authors"},"rank":15}]}}
,{"id":70003514,"text":"70003514 - 2010 - Winter distribution, movements, and annual survival of radiomarked Vancouver Canada geese in southeast Alaska","interactions":[],"lastModifiedDate":"2018-06-20T20:26:17","indexId":"70003514","displayToPublicDate":"2012-02-12T17:15:00","publicationYear":"2010","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2508,"text":"Journal of Wildlife Management","active":true,"publicationSubtype":{"id":10}},"title":"Winter distribution, movements, and annual survival of radiomarked Vancouver Canada geese in southeast Alaska","docAbstract":"Management of Pacific Flyway Canada geese (<i>Branta canadensis</i>) requires information on winter distribution of different populations. Recoveries of tarsus bands from Vancouver Canada geese (<i>B. canadensis fulva</i>) marked in southeast Alaska, USA, &ge;4 decades ago suggested that &ge;83% of the population was non-migratory and that annual adult survival was high (&#348; = 0.836). However, recovery distribution of tarsus bands was potentially biased due to geographic differences in harvest intensity in the Pacific Flyway. Also, winter distribution of Vancouver Canada geese could have shifted since the 1960s, as has occurred for some other populations of Canada geese. Because winter distribution and annual survival of this population had not recently been evaluated, we surgically implanted very high frequency radiotransmitters in 166 adult female Canada geese in southeast Alaska. We captured Vancouver Canada geese during molt at 2 sites where adults with goslings were present (breeding areas) and 2 sites where we observed nonbreeding birds only. During winter radiotracking flights in southeast Alaska, we detected 98% of 85 females marked at breeding areas and 83% of 70 females marked at nonbreeding sites, excluding 11 females that died prior to the onset of winter radiotracking. We detected no radiomarked females in coastal British Columbia, or western Washington and Oregon, USA. Most (70%) females moved &le;30 km between November and March. Our model-averaged estimate of annual survival (&#348; = 0.844, SE = 0.050) was similar to the estimate of annual survival of geese marked from 1956 to 1960. Likely <2% of Vancouver Canada geese that nest in southeast Alaska migrate to winter areas in Oregon or Washington where they could intermix with Canada geese from other populations in the Pacific Flyway. Because annual survival of adult Vancouver Canada geese was high and showed evidence of long-term consistency, managers should examine how reproductive success and recruitment may affect the population.","language":"English","publisher":"The Wildlife Society","doi":"10.2193/2009-057","usgsCitation":"Hupp, J.W., Hodges, J.I., Conant, B.P., Meixell, B.W., and Groves, D.J., 2010, Winter distribution, movements, and annual survival of radiomarked Vancouver Canada geese in southeast Alaska: Journal of Wildlife Management, v. 74, no. 2, p. 274-284, https://doi.org/10.2193/2009-057.","productDescription":"11 p.","startPage":"274","endPage":"284","costCenters":[{"id":115,"text":"Alaska Science Center Biology","active":false,"usgs":true}],"links":[{"id":204566,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Alaska","volume":"74","issue":"2","noUsgsAuthors":false,"publicationDate":"2010-12-13","publicationStatus":"PW","scienceBaseUri":"505bd147e4b08c986b32f32c","contributors":{"authors":[{"text":"Hupp, Jerry W. 0000-0002-6439-3910 jhupp@usgs.gov","orcid":"https://orcid.org/0000-0002-6439-3910","contributorId":127803,"corporation":false,"usgs":true,"family":"Hupp","given":"Jerry","email":"jhupp@usgs.gov","middleInitial":"W.","affiliations":[{"id":117,"text":"Alaska Science Center Biology WTEB","active":true,"usgs":true},{"id":114,"text":"Alaska Science Center","active":true,"usgs":true}],"preferred":true,"id":347596,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hodges, John I. Jr.","contributorId":69015,"corporation":false,"usgs":true,"family":"Hodges","given":"John","suffix":"Jr.","email":"","middleInitial":"I.","affiliations":[],"preferred":false,"id":347600,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Conant, Bruce P.","contributorId":20215,"corporation":false,"usgs":true,"family":"Conant","given":"Bruce","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":347598,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Meixell, Brandt W. 0000-0002-6738-0349 bmeixell@usgs.gov","orcid":"https://orcid.org/0000-0002-6738-0349","contributorId":138716,"corporation":false,"usgs":true,"family":"Meixell","given":"Brandt","email":"bmeixell@usgs.gov","middleInitial":"W.","affiliations":[{"id":117,"text":"Alaska Science Center Biology WTEB","active":true,"usgs":true}],"preferred":true,"id":347597,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Groves, Debbie J.","contributorId":53239,"corporation":false,"usgs":true,"family":"Groves","given":"Debbie","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":347599,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70004149,"text":"70004149 - 2010 - [Book review] Anaesthetic and Sedative Techniques for Aquatic Animals, by L. G. Ross and B. Ross","interactions":[],"lastModifiedDate":"2012-09-08T17:16:16","indexId":"70004149","displayToPublicDate":"2012-01-01T10:58:21","publicationYear":"2010","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3278,"text":"Reviews in Fish Biology and Fisheries","active":true,"publicationSubtype":{"id":10}},"title":"[Book review] Anaesthetic and Sedative Techniques for Aquatic Animals, by L. G. Ross and B. Ross","docAbstract":"Review of: L. G. Ross and B. Ross: Anaesthetic and sedative techniques for aquatic animals (Third Edition). Blackwell Publishing, Oxford, 2008, x + 222 pp, Hardback, ISBN-978-1-4051-4938-9.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Reviews in Fish Biology and Fisheries","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Springer","publisherLocation":"Amsterdam, Netherlands","doi":"10.1007/s11160-009-9124-3","usgsCitation":"Mulcahy, D.M., 2010, [Book review] Anaesthetic and Sedative Techniques for Aquatic Animals, by L. G. Ross and B. Ross: Reviews in Fish Biology and Fisheries, v. 20, no. 1, p. 139-140, https://doi.org/10.1007/s11160-009-9124-3.","productDescription":"2 p.","startPage":"139","endPage":"140","costCenters":[{"id":114,"text":"Alaska Science Center","active":true,"usgs":true}],"links":[{"id":261785,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":261784,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1007/s11160-009-9124-3","linkFileType":{"id":5,"text":"html"}}],"volume":"20","issue":"1","noUsgsAuthors":false,"publicationDate":"2009-07-08","publicationStatus":"PW","scienceBaseUri":"505bd2fee4b08c986b32fb0b","contributors":{"authors":[{"text":"Mulcahy, Daniel M. dmulcahy@usgs.gov","contributorId":3102,"corporation":false,"usgs":true,"family":"Mulcahy","given":"Daniel","email":"dmulcahy@usgs.gov","middleInitial":"M.","affiliations":[{"id":116,"text":"Alaska Science Center Biology MFEB","active":true,"usgs":true}],"preferred":true,"id":350433,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70041346,"text":"70041346 - 2010 - Ground surface deformation patterns, magma supply, and magma storage at Okmok volcano, Alaska, from InSAR analysis: 2. Coeruptive deflation, July-August 2008","interactions":[],"lastModifiedDate":"2017-04-05T16:37:47","indexId":"70041346","displayToPublicDate":"2012-01-01T00:00:00","publicationYear":"2010","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2314,"text":"Journal of Geophysical Research B: Solid Earth","active":true,"publicationSubtype":{"id":10}},"title":"Ground surface deformation patterns, magma supply, and magma storage at Okmok volcano, Alaska, from InSAR analysis: 2. Coeruptive deflation, July-August 2008","docAbstract":"<p><span>A hydrovolcanic eruption near Cone D on the floor of Okmok caldera, Alaska, began on 12 July 2008 and continued until late August 2008. The eruption was preceded by inflation of a magma reservoir located beneath the center of the caldera and ∼3 km below sea level (bsl), which began immediately after Okmok's previous eruption in 1997. In this paper we use data from several radar satellites and advanced interferometric synthetic aperture radar (InSAR) techniques to produce a suite of 2008 coeruption deformation maps. Most of the surface deformation that occurred during the eruption is explained by deflation of a Mogi-type source located beneath the center of the caldera and 2–3 km bsl, i.e., essentially the same source that inflated prior to the eruption. During the eruption the reservoir deflated at a rate that decreased exponentially with time with a 1/</span><i>e</i><span> time constant of ∼13 days. We envision a sponge-like network of interconnected fractures and melt bodies that in aggregate constitute a complex magma storage zone beneath Okmok caldera. The rate at which the reservoir deflates during an eruption may be controlled by the diminishing pressure difference between the reservoir and surface. A similar mechanism might explain the tendency for reservoir inflation to slow as an eruption approaches until the pressure difference between a deep magma production zone and the reservoir is great enough to drive an intrusion or eruption along the caldera ring-fracture system.</span></p>","language":"English","publisher":"American Geophysical Union","publisherLocation":"Washington, D.C.","doi":"10.1029/2009JB006970","usgsCitation":"Lu, Z., and Dzurisin, D., 2010, Ground surface deformation patterns, magma supply, and magma storage at Okmok volcano, Alaska, from InSAR analysis: 2. Coeruptive deflation, July-August 2008: Journal of Geophysical Research B: Solid Earth, v. 115, B00B03: 13 p., https://doi.org/10.1029/2009JB006970.","productDescription":"B00B03: 13 p.","ipdsId":"IP-016397","costCenters":[{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true},{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"links":[{"id":263657,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":263654,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1029/2009JB006970"}],"country":"United States","state":"Alaska","otherGeospatial":"Mt. Okmok","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -168.185415,53.457548 ], [ -168.185415,53.477552 ], [ -168.1654,53.477552 ], [ -168.1654,53.457548 ], [ -168.185415,53.457548 ] ] ] } } ] }","volume":"115","noUsgsAuthors":false,"publicationDate":"2010-05-05","publicationStatus":"PW","scienceBaseUri":"50bfbd8fe4b01744973f7805","contributors":{"authors":[{"text":"Lu, Zhong 0000-0001-9181-1818 lu@usgs.gov","orcid":"https://orcid.org/0000-0001-9181-1818","contributorId":901,"corporation":false,"usgs":true,"family":"Lu","given":"Zhong","email":"lu@usgs.gov","affiliations":[],"preferred":true,"id":469584,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Dzurisin, Daniel 0000-0002-0138-5067 dzurisin@usgs.gov","orcid":"https://orcid.org/0000-0002-0138-5067","contributorId":538,"corporation":false,"usgs":true,"family":"Dzurisin","given":"Daniel","email":"dzurisin@usgs.gov","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"preferred":true,"id":469583,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70041341,"text":"70041341 - 2010 - Anisotropy, repeating earthquakes, and seismicity associated with the 2008 eruption of Okmok Volcano, Alaska","interactions":[],"lastModifiedDate":"2012-12-03T20:16:04","indexId":"70041341","displayToPublicDate":"2012-01-01T00:00:00","publicationYear":"2010","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2312,"text":"Journal of Geophysical Research","active":true,"publicationSubtype":{"id":10}},"title":"Anisotropy, repeating earthquakes, and seismicity associated with the 2008 eruption of Okmok Volcano, Alaska","docAbstract":"We use shear wave splitting (SWS) analysis and double-difference relocation to examine temporal variations in seismic properties prior to and accompanying magmatic activity associated with the 2008 eruption of Okmok volcano, Alaska. Using bispectrum cross-correlation, a multiplet of 25 earthquakes is identified spanning five years leading up to the eruption, each event having first motions compatible with a normal fault striking NE–SW. Cross-correlation differential times are used to relocate earthquakes occurring between January 2003 and February 2009. The bulk of the seismicity prior to the onset of the eruption on 12 July 2008 occurred southwest of the caldera beneath a geothermal field. Earthquakes associated with the onset of the eruption occurred beneath the northern portion of the caldera and started as deep as 13 km. Subsequent earthquakes occurred predominantly at 3 km depth, coinciding with the depth at which the magma body has been modeled using geodetic data. Automated SWS analysis of the Okmok catalog reveals radial polarization outside the caldera and a northwest-southeast polarization within. We interpret these polarizations in terms of a magma reservoir near the center of the caldera, which we model with a Mogi point source. SWS analysis using the same input processing parameters for each event in the multiplet reveals no temporal changes in anisotropy over the duration of the multiplet, suggesting either a short-term or small increase in stress just before the eruption that was not detected by GPS, or eruption triggering by a mechanism other than a change of stress in the system.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Journal of Geophysical Research","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"American Geophysical Union","publisherLocation":"Washington, D.C.","doi":"10.1029/2009JB006991","usgsCitation":"Johnson, J.H., Prejean, S., Savage, M.K., and Townend, J., 2010, Anisotropy, repeating earthquakes, and seismicity associated with the 2008 eruption of Okmok Volcano, Alaska: Journal of Geophysical Research, v. 115, B00B04; 21 p., https://doi.org/10.1029/2009JB006991.","productDescription":"B00B04; 21 p.","ipdsId":"IP-021090","costCenters":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"links":[{"id":475525,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1029/2009jb006991","text":"Publisher Index Page"},{"id":263640,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1029/2009JB006991"},{"id":263641,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Alaska","otherGeospatial":"Okmok Volcano","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ 172.5,51.2 ], [ 172.5,71.4 ], [ 130.0,71.4 ], [ 130.0,51.2 ], [ 172.5,51.2 ] ] ] } } ] }","volume":"115","noUsgsAuthors":false,"publicationDate":"2010-09-11","publicationStatus":"PW","scienceBaseUri":"50bdd7fae4b0f63017347684","contributors":{"authors":[{"text":"Johnson, Jessica H. jessjohnson@usgs.gov","contributorId":3523,"corporation":false,"usgs":true,"family":"Johnson","given":"Jessica","email":"jessjohnson@usgs.gov","middleInitial":"H.","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"preferred":true,"id":469569,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Prejean, Stephanie","contributorId":61916,"corporation":false,"usgs":true,"family":"Prejean","given":"Stephanie","affiliations":[],"preferred":false,"id":469570,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Savage, Martha K.","contributorId":82199,"corporation":false,"usgs":true,"family":"Savage","given":"Martha","email":"","middleInitial":"K.","affiliations":[],"preferred":false,"id":469571,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Townend, John","contributorId":94568,"corporation":false,"usgs":true,"family":"Townend","given":"John","affiliations":[],"preferred":false,"id":469572,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70041368,"text":"70041368 - 2010 - Ground surface deformation patterns, magma supply, and magma storage at Okmok volcano, Alaska, from InSAR analysis: 1. Intereruption deformation, 1997–2008","interactions":[],"lastModifiedDate":"2024-10-22T15:27:40.581485","indexId":"70041368","displayToPublicDate":"2012-01-01T00:00:00","publicationYear":"2010","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2312,"text":"Journal of Geophysical Research","active":true,"publicationSubtype":{"id":10}},"title":"Ground surface deformation patterns, magma supply, and magma storage at Okmok volcano, Alaska, from InSAR analysis: 1. Intereruption deformation, 1997–2008","docAbstract":"Starting soon after the 1997 eruption at Okmok volcano and continuing until the start of the 2008 eruption, magma accumulated in a storage zone centered ~3.5 km beneath the caldera floor at a rate that varied with time. A Mogi-type point pressure source or finite sphere with a radius of 1 km provides an adequate fit to the deformation field portrayed in time-sequential interferometric synthetic aperture radar images. From the end of the 1997 eruption through summer 2004, magma storage increased by 3.2–4.5 × 10<sup>7</sup> m<sup>3</sup>, which corresponds to 75–85% of the magma volume erupted in 1997. Thereafter, the average magma supply rate decreased such that by 10 July 2008, 2 days before the start of the 2008 eruption, magma storage had increased by 3.7–5.2 × 10<sup>7</sup> m<sup>3</sup> or 85–100% of the 1997 eruption volume. We propose that the supply rate decreased in response to the diminishing pressure gradient between the shallow storage zone and a deeper magma source region. Eventually the effects of continuing magma supply and vesiculation of stored magma caused a critical pressure threshold to be exceeded, triggering the 2008 eruption. A similar pattern of initially rapid inflation followed by oscillatory but generally slowing inflation was observed prior to the 1997 eruption. In both cases, withdrawal of magma during the eruptions depressurized the shallow storage zone, causing significant volcano-wide subsidence and initiating a new intereruption deformation cycle.","language":"English","publisher":"American Geophysical Union","publisherLocation":"Washington, D.C.","doi":"10.1029/2009JB006969","usgsCitation":"Lu, Z., Dzurisin, D., Biggs, J., Wicks, C., and McNutt, S., 2010, Ground surface deformation patterns, magma supply, and magma storage at Okmok volcano, Alaska, from InSAR analysis: 1. Intereruption deformation, 1997–2008: Journal of Geophysical Research, v. 115, no. B5, B00B02; 14 p., https://doi.org/10.1029/2009JB006969.","productDescription":"B00B02; 14 p.","ipdsId":"IP-010700","costCenters":[{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true},{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"links":[{"id":475532,"rank":2,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1029/2009jb006969","text":"Publisher Index Page"},{"id":263663,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Alaska","otherGeospatial":"Mt. Okmok","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -168.185415,53.457548 ], [ -168.185415,53.477552 ], [ -168.1654,53.477552 ], [ -168.1654,53.457548 ], [ -168.185415,53.457548 ] ] ] } } ] }","volume":"115","issue":"B5","noUsgsAuthors":false,"publicationDate":"2010-05-05","publicationStatus":"PW","scienceBaseUri":"50bfbd8ae4b01744973f7801","contributors":{"authors":[{"text":"Lu, Zhong 0000-0001-9181-1818 lu@usgs.gov","orcid":"https://orcid.org/0000-0001-9181-1818","contributorId":901,"corporation":false,"usgs":true,"family":"Lu","given":"Zhong","email":"lu@usgs.gov","affiliations":[],"preferred":true,"id":469639,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Dzurisin, Daniel 0000-0002-0138-5067 dzurisin@usgs.gov","orcid":"https://orcid.org/0000-0002-0138-5067","contributorId":538,"corporation":false,"usgs":true,"family":"Dzurisin","given":"Daniel","email":"dzurisin@usgs.gov","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"preferred":true,"id":469638,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Biggs, Juliet","contributorId":99018,"corporation":false,"usgs":true,"family":"Biggs","given":"Juliet","affiliations":[],"preferred":false,"id":469641,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Wicks, Charles Jr. 0000-0002-0809-1328","orcid":"https://orcid.org/0000-0002-0809-1328","contributorId":19451,"corporation":false,"usgs":true,"family":"Wicks","given":"Charles","suffix":"Jr.","affiliations":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"preferred":true,"id":469640,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"McNutt, Steve","contributorId":101536,"corporation":false,"usgs":true,"family":"McNutt","given":"Steve","affiliations":[],"preferred":false,"id":469642,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70041350,"text":"70041350 - 2010 - Origins of large-volume, compositionally zoned volcanic eruptions: New constraints from U-series isotopes and numerical thermal modeling for the 1912 Katmai-Novarupta eruption","interactions":[],"lastModifiedDate":"2013-03-14T12:34:53","indexId":"70041350","displayToPublicDate":"2012-01-01T00:00:00","publicationYear":"2010","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2314,"text":"Journal of Geophysical Research B: Solid Earth","active":true,"publicationSubtype":{"id":10}},"title":"Origins of large-volume, compositionally zoned volcanic eruptions: New constraints from U-series isotopes and numerical thermal modeling for the 1912 Katmai-Novarupta eruption","docAbstract":"We present the results of a combined U-series isotope and numerical modeling study of the 1912 Katmai-Novarupta eruption in Alaska. A stratigraphically constrained set of samples have compositions that range from basalt through basaltic andesite, andesite, dacite, and rhyolite. The major and trace element range can be modeled by 80–90% closed-system crystal fractionation over a temperature interval from 1279°C to 719°C at 100 MPa, with an implied volume of parental basalt of ∼65 km<sup>3</sup>. Numerical models suggest, for wall rock temperatures appropriate to this depth, that 90% of this volume of magma would cool and crystallize over this temperature interval within a few tens of kiloyears. However, the range in <sup>87</sup>Sr/<sup>86</sup>Sr, (<sup>230</sup>Th/<sup>238</sup>U), and (<sup>226</sup>Ra/<sup>230</sup>Th) requires open-system processes. Assimilation of the host sediments can replicate the range of Sr isotopes. The variation of (<sup>226</sup>Ra/<sup>230</sup>Th) ratios in the basalt to andesite compositional range requires that these were generated less than several thousand years before eruption. Residence times for dacites are close to 8000 years, whereas the rhyolites appear to be 50–200 kyr old. Thus, the magmas that erupted within only 60 h had a wide range of crustal residence times. Nevertheless, they were emplaced in the same thermal regime and evolved along similar liquid lines of descent from parental magmas with similar compositions. The system was built progressively with multiple inputs providing both mass and heat, some of which led to thawing of older silicic material that provided much of the rhyolite.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Journal of Geophysical Research B: Solid Earth","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"American Geophysical Union","publisherLocation":"Washington, D.C.","doi":"10.1029/2009JB007195","usgsCitation":"Turner, S., Sandiford, M., Reagan, M., Hawkesworth, C., and Hildreth, W., 2010, Origins of large-volume, compositionally zoned volcanic eruptions: New constraints from U-series isotopes and numerical thermal modeling for the 1912 Katmai-Novarupta eruption: Journal of Geophysical Research B: Solid Earth, v. 115, https://doi.org/10.1029/2009JB007195.","productDescription":"22 p.","startPage":"B12201","ipdsId":"IP-022795","costCenters":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"links":[{"id":475523,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1029/2009jb007195","text":"Publisher Index Page"},{"id":263658,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":263656,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1029/2009JB007195"}],"country":"United States","state":"Alaska","otherGeospatial":"Katmai","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -156.53,58.09 ], [ -156.53,59.27 ], [ -153.64,59.27 ], [ -153.64,58.09 ], [ -156.53,58.09 ] ] ] } } ] }","volume":"115","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"50bfbdb0e4b01744973f781b","contributors":{"authors":[{"text":"Turner, Simon","contributorId":67783,"corporation":false,"usgs":true,"family":"Turner","given":"Simon","affiliations":[],"preferred":false,"id":469597,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Sandiford, Mike","contributorId":12350,"corporation":false,"usgs":true,"family":"Sandiford","given":"Mike","email":"","affiliations":[],"preferred":false,"id":469594,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Reagan, Mark","contributorId":92948,"corporation":false,"usgs":true,"family":"Reagan","given":"Mark","affiliations":[],"preferred":false,"id":469598,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Hawkesworth, Chris","contributorId":34797,"corporation":false,"usgs":true,"family":"Hawkesworth","given":"Chris","email":"","affiliations":[],"preferred":false,"id":469596,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Hildreth, Wes","contributorId":15996,"corporation":false,"usgs":true,"family":"Hildreth","given":"Wes","email":"","affiliations":[],"preferred":false,"id":469595,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70003590,"text":"70003590 - 2010 - Spring migration and summer destinations of northern pintails from the coast of southern California","interactions":[],"lastModifiedDate":"2017-08-30T11:57:17","indexId":"70003590","displayToPublicDate":"2011-12-06T12:17:00","publicationYear":"2010","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3451,"text":"Southwestern Naturalist","active":true,"publicationSubtype":{"id":10}},"title":"Spring migration and summer destinations of northern pintails from the coast of southern California","docAbstract":"<p><span>To examine pathways, timing, and destinations during migration in spring, we attached satellite-monitored transmitters (platform transmitting terminals) to 10 northern pintails (</span><i>Anas acuta</i><span>) during February 2001, at Point Mugu, Ventura County, California. This is a wintering area on the southern coast of California. We obtained locations from five adult males and three adult females every 3rd day through August. Average date of departure from the wintering area was 15 March (</span><i>SE</i><span><span>&nbsp;</span> =  3&nbsp;days). We documented extended stopovers of ≥30&nbsp;days for several northern pintails that could have accommodated nesting attempts (San Joaquin Valley, southwestern Montana, southern Alberta, north-central Nevada) or post-nesting molt (eastern Oregon, south-central Saskatchewan, northern Alaska, central Alberta). Wintering northern pintails from the southern coast of California used a wide range of routes, nesting areas, and schedules during migration in spring, which was consistent with the larger, wintering population in the Central Valley of California. Therefore, conservation of habitat that is targeted at stopover, nesting, and molting areas will benefit survival and management of both wintering populations.</span></p>","language":"English","publisher":"Southwestern Association of Naturalists","doi":"10.1894/KF-11.1","usgsCitation":"Miller, M.R., Takekawa, J.Y., Battaglia, D.S., Golightly, R.T., and Perry, W.M., 2010, Spring migration and summer destinations of northern pintails from the coast of southern California: Southwestern Naturalist, v. 55, no. 4, p. 501-509, https://doi.org/10.1894/KF-11.1.","productDescription":"9 p.","startPage":"501","endPage":"509","temporalStart":"2001-02-01","temporalEnd":"2001-08-31","costCenters":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"links":[{"id":204208,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"California","volume":"55","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505b961de4b08c986b31b2da","contributors":{"authors":[{"text":"Miller, Michael R.","contributorId":45796,"corporation":false,"usgs":false,"family":"Miller","given":"Michael","email":"","middleInitial":"R.","affiliations":[{"id":12709,"text":"Department of Animal Science, University of California, Davis, One Shields Avenue, Davis, CA 95616, USA","active":true,"usgs":false}],"preferred":false,"id":347853,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Takekawa, John Y. 0000-0003-0217-5907 john_takekawa@usgs.gov","orcid":"https://orcid.org/0000-0003-0217-5907","contributorId":176168,"corporation":false,"usgs":true,"family":"Takekawa","given":"John","email":"john_takekawa@usgs.gov","middleInitial":"Y.","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"preferred":false,"id":347851,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Battaglia, Daniel S.","contributorId":78461,"corporation":false,"usgs":true,"family":"Battaglia","given":"Daniel","email":"","middleInitial":"S.","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"preferred":false,"id":347855,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Golightly, Richard T.","contributorId":56783,"corporation":false,"usgs":false,"family":"Golightly","given":"Richard","email":"","middleInitial":"T.","affiliations":[{"id":7067,"text":"Humboldt State University","active":true,"usgs":false}],"preferred":false,"id":347854,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Perry, William M. 0000-0002-6180-8180 wmperry@usgs.gov","orcid":"https://orcid.org/0000-0002-6180-8180","contributorId":5124,"corporation":false,"usgs":true,"family":"Perry","given":"William","email":"wmperry@usgs.gov","middleInitial":"M.","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"preferred":true,"id":347852,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70003547,"text":"70003547 - 2010 - Satellite‐tracking of Northern Pintail Anas acuta during outbreaks of the H5N1 virus in Japan: Implications for virus spread","interactions":[],"lastModifiedDate":"2018-07-14T13:46:49","indexId":"70003547","displayToPublicDate":"2011-11-30T00:00:00","publicationYear":"2010","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1961,"text":"Ibis","active":true,"publicationSubtype":{"id":10}},"displayTitle":"Satellite‐tracking of Northern Pintail <i>Anas acuta</i> during outbreaks of the H5N1 virus in Japan: Implications for virus spread","title":"Satellite‐tracking of Northern Pintail Anas acuta during outbreaks of the H5N1 virus in Japan: Implications for virus spread","docAbstract":"<p><span>We fitted Northern Pintail&nbsp;</span><i>Anas acuta</i><span><span>&nbsp;</span>in Japan with satellite transmitters and monitored their spring migration movements relative to locations where the highly pathogenic H5N1 avian influenza virus was detected in Whooper Swans<span>&nbsp;</span></span><i>Cygnus cygnus</i><span><span>&nbsp;</span>in 2008. Pintails were assumed not to be infected with the H5N1 virus at the time they were marked because capture occurred between 2 and 5 months before reported outbreaks of the virus in Japan. We assessed spatial and temporal overlap between marked birds and occurrence of the virus and tracked Pintails after they departed outbreak locations. Eight of 66 (12.1%) Northern Pintails marked with satellite transmitters used wetlands in Japan where the H5N1 virus was detected in Whooper Swans. Apparent survival did not differ between Pintails that used H5N1 sites and those that did not. However, the proportion of Pintails that migrated from Japan was significantly lower among birds that used H5N1 sites compared with those that did not (0.50 vs. 0.79). Northern Pintails were present at the H5N1 sites from 1 to 88 days, with five birds present at the sites from 0 to 7 days prior to detection of the virus in Swans. The six Pintails observed to depart H5N1 sites did so within 2–77 days of the reported outbreaks and moved between 6 and 1200 km within 4 days of departure. Four Pintails migrated to eastern Russia. After their departure from outbreak sites, Northern Pintails made long‐distance migrations within the period when newly infected ducks would shed the H5N1 virus. This supports a hypothesized mechanism by which a highly pathogenic avian influenza virus could be spread by migratory birds.</span></p>","language":"English","publisher":"Wiley","doi":"10.1111/j.1474-919X.2010.01010.x","usgsCitation":"Yamaguchi, N., Hupp, J.W., Higuchi, H., Flint, P.L., and Pearce, J.M., 2010, Satellite‐tracking of Northern Pintail Anas acuta during outbreaks of the H5N1 virus in Japan: Implications for virus spread: Ibis, v. 152, no. 2, p. 262-271, https://doi.org/10.1111/j.1474-919X.2010.01010.x.","productDescription":"10 p.","startPage":"262","endPage":"271","costCenters":[{"id":117,"text":"Alaska Science Center Biology WTEB","active":true,"usgs":true}],"links":[{"id":486670,"rank":1,"type":{"id":30,"text":"Data Release"},"url":"https://doi.org/10.5066/P90A6HW3","text":"USGS data release","linkHelpText":"Tracking Data for Northern Pintails (Anas acuta)"},{"id":204314,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Japan","volume":"152","issue":"2","noUsgsAuthors":false,"publicationDate":"2010-03-19","publicationStatus":"PW","scienceBaseUri":"4f4e4a0ee4b07f02db5fdbc0","contributors":{"authors":[{"text":"Yamaguchi, Noriyuki","contributorId":83397,"corporation":false,"usgs":true,"family":"Yamaguchi","given":"Noriyuki","affiliations":[],"preferred":false,"id":347699,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hupp, Jerry W. 0000-0002-6439-3910 jhupp@usgs.gov","orcid":"https://orcid.org/0000-0002-6439-3910","contributorId":127803,"corporation":false,"usgs":true,"family":"Hupp","given":"Jerry","email":"jhupp@usgs.gov","middleInitial":"W.","affiliations":[{"id":117,"text":"Alaska Science Center Biology WTEB","active":true,"usgs":true},{"id":114,"text":"Alaska Science Center","active":true,"usgs":true}],"preferred":true,"id":347696,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Higuchi, Hiroyoshi","contributorId":69850,"corporation":false,"usgs":true,"family":"Higuchi","given":"Hiroyoshi","email":"","affiliations":[],"preferred":false,"id":347698,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Flint, Paul L. 0000-0002-8758-6993 pflint@usgs.gov","orcid":"https://orcid.org/0000-0002-8758-6993","contributorId":3284,"corporation":false,"usgs":true,"family":"Flint","given":"Paul","email":"pflint@usgs.gov","middleInitial":"L.","affiliations":[{"id":117,"text":"Alaska Science Center Biology WTEB","active":true,"usgs":true},{"id":114,"text":"Alaska Science Center","active":true,"usgs":true}],"preferred":true,"id":347697,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Pearce, John M. 0000-0002-8503-5485 jpearce@usgs.gov","orcid":"https://orcid.org/0000-0002-8503-5485","contributorId":181766,"corporation":false,"usgs":true,"family":"Pearce","given":"John","email":"jpearce@usgs.gov","middleInitial":"M.","affiliations":[{"id":117,"text":"Alaska Science Center Biology WTEB","active":true,"usgs":true},{"id":114,"text":"Alaska Science Center","active":true,"usgs":true}],"preferred":true,"id":347695,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70003735,"text":"70003735 - 2010 - Seasonal movements, winter range use, and migratory connectivity of the Black Oystercatcher","interactions":[],"lastModifiedDate":"2012-02-02T00:15:57","indexId":"70003735","displayToPublicDate":"2011-11-30T00:00:00","publicationYear":"2010","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3551,"text":"The Condor","active":true,"publicationSubtype":{"id":10}},"title":"Seasonal movements, winter range use, and migratory connectivity of the Black Oystercatcher","docAbstract":"The Black Oystercatcher (<i>Haematopus bachmani</i>) is an intertidal obligate along North America's Pacific coast and a species of high conservation concern (population size 8900&ndash;11 000 individuals). Understanding birds' movements and space use throughout the annual cycle has become paramount in the face of changing environmental conditions, and intertidal species may be particularly vulnerable to habitat change due to anticipated sea-level rise associated with climate change and increasing coastal development. Conservation of the Black Oystercatcher is hindered by a lack of information on the species' nonbreeding distribution, seasonal movements, and habitat connectivity. Using satellite (<i>n</i> = 19) and VHF (<i>n</i> = 19) radio transmitters, we tracked Black Oystercatchers from five breeding sites (Vancouver Island, British Columbia; Kodiak Island, Prince William Sound, Middleton Island, and Juneau, Alaska) through one and one half annual cycles (May 2007&ndash;Dec 2008). We documented medium- to long-distance migration (range of migration distance 130&ndash;1667 km) in three populations (Prince William Sound, Middleton Island, and Juneau) and year-round residency in two others (Kodiak and Vancouver Island). We observed variation in the timing and length of migration by study site, and individual birds demonstrated fidelity to breeding and nonbreeding sites. We did not observe strong migratory connectivity. Migratory oystercatchers distributed themselves widely along the coasts of British Columbia and southeast Alaska during winter. Results provide baseline information on the Black Oystercatcher's movements and space use throughout the annual cycle.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"The Condor","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Cooper Ornithological Society","publisherLocation":"Waco, TX","usgsCitation":"Johnson, M., Clarkson, P., Goldstein, M.I., Haig, S.M., Lanctot, R.B., Tessler, D.F., and Zwiefelhofer, D., 2010, Seasonal movements, winter range use, and migratory connectivity of the Black Oystercatcher: The Condor, v. 112, no. 4, p. 731-743.","productDescription":"13 p.","startPage":"731","endPage":"743","temporalStart":"2007-05-01","temporalEnd":"2008-12-31","costCenters":[{"id":290,"text":"Forest and Rangeland Ecosystem Science Center","active":false,"usgs":true}],"links":[{"id":204184,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":110977,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://www.bioone.org/doi/abs/10.1525/cond.2010.090215","linkFileType":{"id":5,"text":"html"}}],"country":"United States;Canada","state":"Alaska","city":"Juneau","otherGeospatial":"British Columbia;Vancouver Island;Kodiak Island;Prince William Sound;Middleton Island","volume":"112","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a0ce4b07f02db5fc378","contributors":{"authors":[{"text":"Johnson, Matthew mjjohnson@usgs.gov","contributorId":29536,"corporation":false,"usgs":true,"family":"Johnson","given":"Matthew","email":"mjjohnson@usgs.gov","affiliations":[],"preferred":false,"id":348580,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Clarkson, Peter","contributorId":62736,"corporation":false,"usgs":true,"family":"Clarkson","given":"Peter","email":"","affiliations":[],"preferred":false,"id":348583,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Goldstein, Michael I.","contributorId":94641,"corporation":false,"usgs":true,"family":"Goldstein","given":"Michael","email":"","middleInitial":"I.","affiliations":[],"preferred":false,"id":348585,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Haig, Susan M. 0000-0002-6616-7589 susan_haig@usgs.gov","orcid":"https://orcid.org/0000-0002-6616-7589","contributorId":719,"corporation":false,"usgs":true,"family":"Haig","given":"Susan","email":"susan_haig@usgs.gov","middleInitial":"M.","affiliations":[{"id":289,"text":"Forest and Rangeland Ecosys Science Center","active":true,"usgs":true},{"id":290,"text":"Forest and Rangeland Ecosystem Science Center","active":false,"usgs":true}],"preferred":true,"id":348579,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Lanctot, Richard B.","contributorId":31894,"corporation":false,"usgs":true,"family":"Lanctot","given":"Richard","email":"","middleInitial":"B.","affiliations":[{"id":17786,"text":"Carleton University","active":true,"usgs":false},{"id":6987,"text":"U.S. Fish and Wildlife Sevice","active":true,"usgs":false},{"id":7029,"text":"Queen's University, Kingston, Ontario, Canada","active":true,"usgs":false},{"id":135,"text":"Biological Resources Division","active":false,"usgs":true}],"preferred":false,"id":348582,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Tessler, David F.","contributorId":67209,"corporation":false,"usgs":true,"family":"Tessler","given":"David","email":"","middleInitial":"F.","affiliations":[],"preferred":false,"id":348584,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Zwiefelhofer, Denny","contributorId":29944,"corporation":false,"usgs":true,"family":"Zwiefelhofer","given":"Denny","affiliations":[],"preferred":false,"id":348581,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}}
,{"id":70003540,"text":"70003540 - 2010 - Recent ecological divergence despite migration in sockeye salmon (<i>Oncorhynchus nerka</i>)","interactions":[],"lastModifiedDate":"2021-01-15T14:02:37.029124","indexId":"70003540","displayToPublicDate":"2011-11-16T00:00:00","publicationYear":"2010","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1598,"text":"Evolution","active":true,"publicationSubtype":{"id":10}},"title":"Recent ecological divergence despite migration in sockeye salmon (<i>Oncorhynchus nerka</i>)","docAbstract":"<p><span>Ecological divergence may result when populations experience different selection regimes, but there is considerable discussion about the role of migration at the beginning stages of divergence before reproductive isolating mechanisms have evolved. However, detection of past migration is difficult in current populations and tools to differentiate genetic similarities due to migration versus recent common ancestry are only recently available. Using past volcanic eruption times as a framework, we combine morphological analyses of traits important to reproduction with a coalescent‐based genetic analysis of two proximate sockeye salmon (</span><i>Oncorhynchus nerka</i><span>) populations. We find that this is the most recent (∼500 years, 100 generations) natural ecological divergence recorded in a fish species, and report that this divergence is occurring despite migration. Although studies of fish divergence following the retreat of glaciers (10,000–15,000 years ago) have contributed extensively to our understanding of speciation, the Aniakchak system of sockeye salmon provides a rare example of the initial stages of ecological divergence following natural colonization. Our results show that even in the face of continued migration, populations may diverge in the absence of a physical barrier.</span></p>","language":"English","publisher":"Society for the Study of Evolution","doi":"10.1111/j.1558-5646.2009.00927.x","usgsCitation":"Pavey, S.A., Nielsen, J.L., and Hamon, T.R., 2010, Recent ecological divergence despite migration in sockeye salmon (<i>Oncorhynchus nerka</i>): Evolution, v. 64, no. 6, p. 1773-1783, https://doi.org/10.1111/j.1558-5646.2009.00927.x.","productDescription":"11 p.","startPage":"1773","endPage":"1783","costCenters":[{"id":116,"text":"Alaska Science Center Biology MFEB","active":true,"usgs":true}],"links":[{"id":475562,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1111/j.1558-5646.2009.00927.x","text":"Publisher Index Page"},{"id":382216,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United  States","state":"Alaska","otherGeospatial":"Aniakchak Caldera","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -158.642578125,\n              56.36525013685609\n            ],\n            [\n              -156.181640625,\n              56.36525013685609\n            ],\n            [\n              -156.181640625,\n              58.07787626787517\n            ],\n            [\n              -158.642578125,\n              58.07787626787517\n            ],\n            [\n              -158.642578125,\n              56.36525013685609\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"64","issue":"6","noUsgsAuthors":false,"publicationDate":"2009-12-17","publicationStatus":"PW","scienceBaseUri":"4f4e4ad6e4b07f02db683e4b","contributors":{"authors":[{"text":"Pavey, Scott A.","contributorId":31516,"corporation":false,"usgs":true,"family":"Pavey","given":"Scott","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":347685,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Nielsen, Jennifer L.","contributorId":43722,"corporation":false,"usgs":true,"family":"Nielsen","given":"Jennifer","email":"","middleInitial":"L.","affiliations":[{"id":114,"text":"Alaska Science Center","active":true,"usgs":true}],"preferred":true,"id":347686,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Hamon, Troy R.","contributorId":107419,"corporation":false,"usgs":true,"family":"Hamon","given":"Troy","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":347687,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70003916,"text":"70003916 - 2010 - Potential spread of highly pathogenic avian influenza H5N1 by wildfowl: dispersal ranges and rates determined from large-scale satellite telemetry","interactions":[],"lastModifiedDate":"2017-08-23T09:24:49","indexId":"70003916","displayToPublicDate":"2011-11-02T00:00:00","publicationYear":"2010","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2163,"text":"Journal of Applied Ecology","active":true,"publicationSubtype":{"id":10}},"title":"Potential spread of highly pathogenic avian influenza H5N1 by wildfowl: dispersal ranges and rates determined from large-scale satellite telemetry","docAbstract":"<b>1.</b> Migratory birds are major candidates for long-distance dispersal of zoonotic pathogens. In recent years, wildfowl have been suspected of contributing to the rapid geographic spread of the highly pathogenic avian influenza (HPAI) H5N1 virus. Experimental infection studies reveal that some wild ducks, geese and swans shed this virus asymptomatically and hence have the potential to spread it as they move.  <b>2.</b> We evaluate the dispersive potential of HPAI H5N1 viruses by wildfowl through an analysis of the movement range and movement rate of birds monitored by satellite telemetry in relation to the apparent asymptomatic infection duration (AID) measured in experimental studies. We analysed the first large-scale data set of wildfowl movements, including 228 birds from 19 species monitored by satellite telemetry in 2006&ndash;2009, over HPAI H5N1 affected regions of Asia, Europe and Africa.  <b>3.</b> Our results indicate that individual migratory wildfowl have the potential to disperse HPAI H5N1 over extensive distances, being able to perform movements of up to 2900 km within timeframes compatible with the duration of asymptomatic infection.  <b>4.</b> However, the likelihood of such virus dispersal over long distances by individual wildfowl is low: we estimate that for an individual migratory bird there are, on average, only 5&ndash;15 days per year when infection could result in the dispersal of HPAI H5N1 virus over 500 km.  <b>5.</b> Staging at stopover sites during migration is typically longer than the period of infection and viral shedding, preventing birds from dispersing a virus over several consecutive but interrupted long-distance movements. Intercontinental virus dispersion would therefore probably require relay transmission between a series of successively infected migratory birds.  <b>6.</b> <i>Synthesis and applications</i>. Our results provide a detailed quantitative assessment of the dispersive potential of HPAI H5N1 virus by selected migratory birds. Such dispersive potential rests on the assumption that free-living wildfowl will respond analogously to captive, experimentally-infected birds, and that asymptomatic infection will not alter their movement abilities. Our approach of combining experimental exposure data and telemetry information provides an analytical framework for quantifying the risk of spread of avian-borne diseases.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Journal of Applied Ecology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"British Ecological Society","publisherLocation":"London, England","usgsCitation":"Gaidet, N., Cappelle, J., Takekawa, J.Y., Prosser, D.J., Iverson, S.A., Douglas, D.C., Perry, W.M., Mundkur, T., and Newman, S.H., 2010, Potential spread of highly pathogenic avian influenza H5N1 by wildfowl: dispersal ranges and rates determined from large-scale satellite telemetry: Journal of Applied Ecology, v. 47, no. 5, p. 1147-1157.","productDescription":"11 p.","startPage":"1147","endPage":"1157","numberOfPages":"11","costCenters":[{"id":114,"text":"Alaska Science Center","active":true,"usgs":true},{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true},{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"links":[{"id":204202,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":94610,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://onlinelibrary.wiley.com/doi/10.1111/j.1365-2664.2010.01845.x/abstract","linkFileType":{"id":5,"text":"html"}}],"volume":"47","issue":"5","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ad4e4b07f02db683113","contributors":{"authors":[{"text":"Gaidet, Nicolas","contributorId":37601,"corporation":false,"usgs":true,"family":"Gaidet","given":"Nicolas","email":"","affiliations":[],"preferred":false,"id":349467,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Cappelle, Julien","contributorId":71440,"corporation":false,"usgs":true,"family":"Cappelle","given":"Julien","email":"","affiliations":[],"preferred":false,"id":349469,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Takekawa, John Y. 0000-0003-0217-5907 john_takekawa@usgs.gov","orcid":"https://orcid.org/0000-0003-0217-5907","contributorId":176168,"corporation":false,"usgs":true,"family":"Takekawa","given":"John","email":"john_takekawa@usgs.gov","middleInitial":"Y.","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"preferred":false,"id":349463,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Prosser, Diann J. 0000-0002-5251-1799 dprosser@usgs.gov","orcid":"https://orcid.org/0000-0002-5251-1799","contributorId":2389,"corporation":false,"usgs":true,"family":"Prosser","given":"Diann","email":"dprosser@usgs.gov","middleInitial":"J.","affiliations":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"preferred":true,"id":349465,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Iverson, Samuel A.","contributorId":52308,"corporation":false,"usgs":false,"family":"Iverson","given":"Samuel","email":"","middleInitial":"A.","affiliations":[{"id":12437,"text":"Simon Fraser University, Centre for Wildlife Ecology","active":true,"usgs":false}],"preferred":false,"id":349468,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Douglas, David C. 0000-0003-0186-1104 ddouglas@usgs.gov","orcid":"https://orcid.org/0000-0003-0186-1104","contributorId":2388,"corporation":false,"usgs":true,"family":"Douglas","given":"David","email":"ddouglas@usgs.gov","middleInitial":"C.","affiliations":[{"id":116,"text":"Alaska Science Center Biology MFEB","active":true,"usgs":true}],"preferred":true,"id":349464,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Perry, William M. 0000-0002-6180-8180 wmperry@usgs.gov","orcid":"https://orcid.org/0000-0002-6180-8180","contributorId":5124,"corporation":false,"usgs":true,"family":"Perry","given":"William","email":"wmperry@usgs.gov","middleInitial":"M.","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"preferred":true,"id":349466,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Mundkur, Taej","contributorId":107843,"corporation":false,"usgs":true,"family":"Mundkur","given":"Taej","affiliations":[],"preferred":false,"id":349471,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Newman, Scott H.","contributorId":101372,"corporation":false,"usgs":true,"family":"Newman","given":"Scott","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":349470,"contributorType":{"id":1,"text":"Authors"},"rank":9}]}}
,{"id":70005757,"text":"70005757 - 2010 - Introduction - The impacts of the 2008 eruption of Kasatochi Volcano on terrestrial and marine ecosystems in the Aleutian Islands, Alaska","interactions":[],"lastModifiedDate":"2017-06-28T14:34:49","indexId":"70005757","displayToPublicDate":"2011-10-19T00:00:00","publicationYear":"2010","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":899,"text":"Arctic, Antarctic, and Alpine Research","active":true,"publicationSubtype":{"id":10}},"title":"Introduction - The impacts of the 2008 eruption of Kasatochi Volcano on terrestrial and marine ecosystems in the Aleutian Islands, Alaska","docAbstract":"<p>The Aleutian Islands are situated on the northern edge of the so-called “Pacific Ring of Fire,” a 40,000-km-long horseshoe-shaped assemblage of continental landmasses and islands bordering the Pacific Ocean basin that contains many of the world's active and dormant volcanoes. Schaefer et al. (2009) listed 27 historically active volcanoes in the Aleutian Islands, of which nine have had at least one major eruptive event since 1990. Volcanic eruptions are often significant natural disturbances, and ecosystem responses to volcanic eruptions may vary markedly with eruption style (effusive versus explosive), frequency, and magnitude of the eruption as well as isolation of the disturbed sites from potential colonizing organisms (del Moral and Grishin, 1999). Despite the relatively high frequency of volcanic activity in the Aleutians, the response of island ecosystems to volcanic disturbances is largely unstudied because of the region's isolation. The only ecological studies in the region that address the effects of volcanic activity were done on Bogoslof Island, a remote, highly active volcanic island in the eastern Aleutians, which grew from a submarine eruption in 1796 (Merriam, 1910; Byrd et al., 1980; Byrd and Williams, 1994). Nevertheless, in the 214 years of Bogoslof's existence, the island has been visited only intermittently.</p><p>Kasatochi Island is a small (2.9 km by 2.6 km, 314 m high) volcano in the central Aleutian Islands of Alaska (52.17°N latitude, 175.51°W longitude; Fig. 1) that erupted violently on 7-8 August 2008 after a brief, but intense period of precursory seismic activity (Scott et al., 2010 [this issue]; Waythomas et al., in review). The island is part of the Aleutian arc volcanic front, and is an isolated singular island. Although the immediate offshore areas are relatively shallow (20–50 m water depth), the island is about 10 km south of the 2000 m isobath, north of which, ocean depths increase markedly. Kasatochi is located between the deepwater basin of the Bering Sea to the north and shallower areas of intense upwelling in Atka and Fenimore Passes in the North Pacific Ocean to the south. This area apparently produces high marine productivity based on concentrations of feeding marine birds and mammals (see Drew et al., 2010 [this issue]). Kasatochi is about 85 km northeast of Adak, the nearest community and a regional transportation hub, and about 19 km northwest of the western end of Atka Island. The nearest historically active volcanoes are Great Sitkin volcano, about 35 km to the west, and Korovin volcano on Atka Island, about 94 km to the east. Koniuji Island, another small volcanic island, is located about 25 km east of Kasatochi (Fig. 1).</p>","language":"English","publisher":"Institute of Arctic and Alpine Research (INSTAAR), University of Colorado","publisherLocation":"Boulder, CO","doi":"10.1657/1938-4246-42.3.245","usgsCitation":"DeGange, A.R., Byrd, G.V., Walker, L.R., and Waythomas, C.F., 2010, Introduction - The impacts of the 2008 eruption of Kasatochi Volcano on terrestrial and marine ecosystems in the Aleutian Islands, Alaska: Arctic, Antarctic, and Alpine Research, v. 42, no. 3, p. 245-249, https://doi.org/10.1657/1938-4246-42.3.245.","productDescription":"5 p.","startPage":"245","endPage":"249","costCenters":[{"id":114,"text":"Alaska Science Center","active":true,"usgs":true}],"links":[{"id":475565,"rank":1,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1657/1938-4246-42.3.245","text":"Publisher Index Page"},{"id":204244,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Alaska","otherGeospatial":"Aleutian Islands","volume":"42","issue":"3","noUsgsAuthors":false,"publicationDate":"2018-01-17","publicationStatus":"PW","scienceBaseUri":"4f4e4acce4b07f02db67e878","contributors":{"authors":[{"text":"DeGange, Anthony R. tdegange@usgs.gov","contributorId":139765,"corporation":false,"usgs":true,"family":"DeGange","given":"Anthony","email":"tdegange@usgs.gov","middleInitial":"R.","affiliations":[{"id":114,"text":"Alaska Science Center","active":true,"usgs":true}],"preferred":false,"id":353154,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Byrd, G. Vernon","contributorId":88416,"corporation":false,"usgs":false,"family":"Byrd","given":"G.","email":"","middleInitial":"Vernon","affiliations":[{"id":6987,"text":"U.S. Fish and Wildlife Sevice","active":true,"usgs":false}],"preferred":false,"id":353155,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Walker, Lawrence R.","contributorId":12177,"corporation":false,"usgs":true,"family":"Walker","given":"Lawrence","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":353153,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Waythomas, C. F.","contributorId":10065,"corporation":false,"usgs":true,"family":"Waythomas","given":"C.","email":"","middleInitial":"F.","affiliations":[],"preferred":false,"id":353152,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70003538,"text":"70003538 - 2010 - Fine-scale population genetic structure in Alaskan Pacific halibut (<i>Hippoglossus stenolepis</i>)","interactions":[],"lastModifiedDate":"2021-01-12T14:05:44.239712","indexId":"70003538","displayToPublicDate":"2011-10-14T00:00:00","publicationYear":"2010","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1324,"text":"Conservation Genetics","active":true,"publicationSubtype":{"id":10}},"title":"Fine-scale population genetic structure in Alaskan Pacific halibut (<i>Hippoglossus stenolepis</i>)","docAbstract":"Pacific halibut collected in the Aleutian Islands, Bering Sea and Gulf of Alaska were used to test the hypothesis of genetic panmixia for this species in Alaskan marine waters. Nine microsatellite loci and sequence data from the mitochondrial (mtDNA) control region were analyzed. Eighteen unique mtDNA haplotypes were found with no evidence of geographic population structure. Using nine microsatellite loci, significant heterogeneity was detected between Aleutian Island Pacific halibut and fish from the other two regions (<i>F</i>ST range = 0.007&ndash;0.008). Significant <i>F</i>ST values represent the first genetic evidence of divergent groups of halibut in the central and western Aleutian Archipelago. No significant genetic differences were found between Pacific halibut in the Gulf of Alaska and the Bering Sea leading to questions about factors contributing to separation of Aleutian halibut. Previous studies have reported Aleutian oceanographic conditions at deep inter-island passes leading to ecological discontinuity and unique community structure east and west of Aleutian passes. Aleutian Pacific halibut genetic structure may result from oceanographic transport mechanisms acting as partial barriers to gene flow with fish from other Alaskan waters.","language":"English","publisher":"Springer","doi":"10.1007/s10592-009-9943-8","usgsCitation":"Nielsen, J.L., Graziano, S.L., and Seitz, A.C., 2010, Fine-scale population genetic structure in Alaskan Pacific halibut (<i>Hippoglossus stenolepis</i>): Conservation Genetics, v. 11, no. 3, p. 999-1012, https://doi.org/10.1007/s10592-009-9943-8.","productDescription":"14 p.","startPage":"999","endPage":"1012","costCenters":[{"id":115,"text":"Alaska Science Center Biology","active":false,"usgs":true}],"links":[{"id":382097,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Alaska","otherGeospatial":"Aleutian Islands;Bering Sea;Gulf Of Alaska","volume":"11","issue":"3","noUsgsAuthors":false,"publicationDate":"2009-06-04","publicationStatus":"PW","scienceBaseUri":"4f4e499fe4b07f02db5bcea5","contributors":{"authors":[{"text":"Nielsen, Jennifer L.","contributorId":43722,"corporation":false,"usgs":true,"family":"Nielsen","given":"Jennifer","email":"","middleInitial":"L.","affiliations":[{"id":114,"text":"Alaska Science Center","active":true,"usgs":true}],"preferred":true,"id":808021,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Graziano, Sara L.","contributorId":22189,"corporation":false,"usgs":true,"family":"Graziano","given":"Sara","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":808022,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Seitz, Andrew C.","contributorId":156324,"corporation":false,"usgs":true,"family":"Seitz","given":"Andrew","email":"","middleInitial":"C.","affiliations":[{"id":6752,"text":"University of Alaska Fairbanks","active":true,"usgs":false},{"id":114,"text":"Alaska Science Center","active":true,"usgs":true}],"preferred":false,"id":808023,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
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