Increasing production of hatchery salmon over the past four decades has led to concerns about possible density-dependent effects on wild Pacific salmon populations in the North Pacific Ocean. The concern arises because salmon from distant regions overlap in the ocean, and wild salmon populations having low productivity may compete for food with abundant hatchery populations. We tested the hypothesis that adult length-at-age, age-at-maturation, productivity, and abundance of a Norton Sound, Alaska, chum salmon population were influenced by Asian hatchery chum salmon, which have become exceptionally abundant and surpassed the abundance of wild chum salmon in the North Pacific beginning in the early 1980s. We found that smaller adult length-at-age, delayed age-at-maturation, and reduced productivity and abundance of the Norton Sound salmon population were associated with greater production of Asian hatchery chum salmon since 1965. Modeling of the density-dependent relationship, while controlling for other influential variables, indicated that an increase in adult hatchery chum salmon abundance from 10 million to 80 million adult fish led to a 72% reduction in the abundance of the wild chum salmon population. These findings indicate that competition with hatchery chum salmon contributed to the low productivity and abundance of Norton Sound chum salmon, which includes several stocks that are classified as Stocks of Concern by the State of Alaska. This study provides new evidence indicating that large-scale hatchery production may influence body size, age-at-maturation, productivity and abundance of a distant wild salmon population.
","language":"English","publisher":"Kluwer Academic Publishers","publisherLocation":"Dordrecht","doi":"10.1007/s10641-011-9856-5","usgsCitation":"Ruggerone, G.T., Agler, B., and Nielsen, J.L., 2012, Evidence for competition at sea between Norton Sound chum salmon and Asian hatchery chum salmon: Environmental Biology of Fishes, v. 94, no. 1, p. 149-163, https://doi.org/10.1007/s10641-011-9856-5.","productDescription":"15 p.","startPage":"149","endPage":"163","numberOfPages":"15","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-024457","costCenters":[{"id":116,"text":"Alaska Science Center Biology MFEB","active":true,"usgs":true}],"links":[{"id":298606,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":298597,"type":{"id":15,"text":"Index Page"},"url":"https://link.springer.com/article/10.1007%2Fs10641-011-9856-5#page-1"}],"volume":"94","issue":"1","publishingServiceCenter":{"id":12,"text":"Tacoma PSC"},"noUsgsAuthors":false,"publicationDate":"2011-06-07","publicationStatus":"PW","scienceBaseUri":"5509502ee4b02e76d757e619","contributors":{"authors":[{"text":"Ruggerone, Gregory T.","contributorId":48068,"corporation":false,"usgs":true,"family":"Ruggerone","given":"Gregory","email":"","middleInitial":"T.","affiliations":[],"preferred":false,"id":542477,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Agler, B.A.","contributorId":33830,"corporation":false,"usgs":true,"family":"Agler","given":"B.A.","email":"","affiliations":[],"preferred":false,"id":542481,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"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":542482,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70048256,"text":"70048256 - 2012 - Migrated hydrocarbons in exposure of Maastrichtian nonmarine strata near Saddle Mountain, lower Cook Inlet, Alaska","interactions":[],"lastModifiedDate":"2023-06-22T16:22:15.643726","indexId":"70048256","displayToPublicDate":"2012-05-01T10:14:39","publicationYear":"2012","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":4,"text":"Other Government Series"},"seriesTitle":{"id":240,"text":"Alaska Division of Geological & Geophysical Surveys Report of Investigation","active":false,"publicationSubtype":{"id":4}},"seriesNumber":"2012-1","title":"Migrated hydrocarbons in exposure of Maastrichtian nonmarine strata near Saddle Mountain, lower Cook Inlet, Alaska","docAbstract":"Magoon and others (1980) described an 83-meter- (272-foot-) thick succession of Maastrichtian (Upper Cretaceous) \nconglomerate, sandstone, mudstone, and coal exposed on the south side of an unnamed drainage, approximately 3 kilometers \n(1.8 miles) east of Saddle Mountain in lower Cook Inlet (figs. 1 and 2). The initial significance of this exposure was that \nit was the first reported occurrence of nonmarine rocks of this age in outcrop in lower Cook Inlet, which helped constrain \nthe Late Cretaceous paleogeography of the area and provided important information on the composition of latest Mesozoic \nsandstones in the basin. The Saddle Mountain section is thought to be an outcrop analog for Upper Cretaceous nonmarine \nstrata penetrated in the OCS Y-0097 #1 (Raven) well, located approximately 40 kilometers (25 miles) to the south–southeast \nin Federal waters (fig. 1). Atlantic Richfield Company (ARCO) drilled the Raven well in 1980 and encountered oil-stained \nrocks and moveable liquid hydrocarbons between the depths of 1,760 and 3,700 feet. Completion reports on file with the \nBureau of Ocean Energy Management (BOEM; formerly Bureau of Ocean Energy Management, Regulation and Enforcement, \nand prior to 2010, U.S. Minerals Management Service) either show flow rates of zero or do not mention flow rates. A \nfluid analysis report on file with BOEM suggests that a wireline tool sampled some oil beneath a 2,010-foot diesel cushion \nduring the fl ow test of the 3,145–3,175 foot interval, but the recorded fl ow rate was still zero (Kirk Sherwood, written \ncommun., January 9, 2012). Further delineation and evaluation of the apparent accumulation was never performed and the \nwell was plugged and abandoned.
\nAs part of a 5-year comprehensive evaluation of the geology and petroleum systems of the Cook Inlet forearc basin, the \nAlaska Division of Geological & Geophysical Surveys obtained a research permit from the National Park Service to access \nthe relatively poorly understood ‘Saddle Mountain exposure’ that is located in the Lake Clark National Park and Preserve. \nThis work was done in cooperation with the Alaska Division of Oil & Gas and U.S. Geological Survey (USGS) research \ngeologists. This report expands on Magoon and others’ (1980) description of the exposure, presents new data on sandstone \ncomposition and reservoir quality, presents new geochemical data on petroleum extracted from the outcropping sandstone, \nand describes oil-bearing correlative strata penetrated by the Raven well. Although the exposure is more than a kilometer \n(0.6 mile) east of Saddle Mountain (fig. 2), in this report we variously refer to it as the Saddle Mountain succession, Saddle \nMountain section, or the rocks at Saddle Mountain underlain by Upper Jurassic strata of the Naknek Formation.
","language":"English","publisher":"Alaska Division of Geological & Geophysical Surveys","usgsCitation":"LePain, D., Lillis, P., Helmold, K., and Stanley, R., 2012, Migrated hydrocarbons in exposure of Maastrichtian nonmarine strata near Saddle Mountain, lower Cook Inlet, Alaska: Alaska Division of Geological & Geophysical Surveys Report of Investigation 2012-1, iii, 13 p.","productDescription":"iii, 13 p.","numberOfPages":"19","ipdsId":"IP-036806","costCenters":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"links":[{"id":280789,"rank":2,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":277835,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://www.dggs.alaska.gov/pubs/id/23943"}],"country":"United States","state":"Alaska","otherGeospatial":"Cook Inlet, Saddle Mountain","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -156.0,58.0 ], [ -156.0,63.0 ], [ -147.0,63.0 ], [ -147.0,58.0 ], [ -156.0,58.0 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"53cd6718e4b0b2908510128a","contributors":{"authors":[{"text":"LePain, D. L.","contributorId":104803,"corporation":false,"usgs":true,"family":"LePain","given":"D. L.","affiliations":[],"preferred":false,"id":484191,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Lillis, P. G. 0000-0002-7508-1699","orcid":"https://orcid.org/0000-0002-7508-1699","contributorId":17630,"corporation":false,"usgs":true,"family":"Lillis","given":"P. G.","affiliations":[{"id":164,"text":"Central Energy Resources Science Center","active":true,"usgs":true}],"preferred":false,"id":484188,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Helmold, K. P.","contributorId":67796,"corporation":false,"usgs":true,"family":"Helmold","given":"K. P.","affiliations":[],"preferred":false,"id":484189,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Stanley, R. G. 0000-0001-6192-8783","orcid":"https://orcid.org/0000-0001-6192-8783","contributorId":77123,"corporation":false,"usgs":true,"family":"Stanley","given":"R. G.","affiliations":[],"preferred":false,"id":484190,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70095249,"text":"70095249 - 2012 - Delta Chromium-53/52 isotopic composition of native and contaminated groundwater, Mojave Desert, USA","interactions":[],"lastModifiedDate":"2014-03-04T10:02:13","indexId":"70095249","displayToPublicDate":"2012-05-01T09:55:41","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":835,"text":"Applied Geochemistry","active":true,"publicationSubtype":{"id":10}},"title":"Delta Chromium-53/52 isotopic composition of native and contaminated groundwater, Mojave Desert, USA","docAbstract":"Chromium(VI) concentrations in groundwater sampled from three contaminant plumes in aquifers in the Mojave Desert near Hinkley, Topock and El Mirage, California, USA, were as high as 2600, 5800 and 330 μg/L, respectively. δ53/52Cr compositions from more than 50 samples collected within these plumes ranged from near 0‰ to almost 4‰ near the plume margins. Assuming only reductive fractionation of Cr(VI) to Cr(III) within the plume, apparent fractionation factors for δ53/52Cr isotopes ranged from εapp = 0.3 to 0.4 within the Hinkley and Topock plumes, respectively, and only the El Mirage plume had a fractionation factor similar to the laboratory derived value of ε = 3.5. One possible explanation for the difference between field and laboratory fractionation factors at the Hinkley and Topock sites is localized reductive fractionation of Cr(VI) to Cr(III), with subsequent advective mixing of native and contaminated water near the plume margin. Chromium(VI) concentrations and δ53/52Cr isotopic compositions did not uniquely define the source of Cr near the plume margin, or the extent of reductive fractionation within the plume. However, Cr(VI) and δ53/52Cr data contribute to understanding of the interaction between reductive and mixing processes that occur within and near the margins of Cr contamination plumes. Reductive fractionation of Cr(VI) predominates in plumes having higher εapp, these plumes may be suitable for monitored natural attenuation. In contrast, advective mixing predominates in plumes having lower εapp, the highly dispersed margins of these plumes may be difficult to define and manage.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Applied Geochemistry","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Elsevier","publisherLocation":"New York, NY","doi":"10.1016/j.apgeochem.2011.12.019","usgsCitation":"Izbicki, J., Bullen, T.D., Martin, P., and Schroth, B., 2012, Delta Chromium-53/52 isotopic composition of native and contaminated groundwater, Mojave Desert, USA: Applied Geochemistry, v. 27, no. 4, p. 841-853, https://doi.org/10.1016/j.apgeochem.2011.12.019.","productDescription":"13 p.","startPage":"841","endPage":"853","numberOfPages":"13","ipdsId":"IP-014704","costCenters":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"links":[{"id":283207,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":282976,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.apgeochem.2011.12.019"}],"country":"United States","state":"California","otherGeospatial":"Mojave Desert","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -118.0,32.3 ], [ -118.0,36.0 ], [ -114.0,36.0 ], [ -114.0,32.3 ], [ -118.0,32.3 ] ] ] } } ] }","volume":"27","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"53cd540ee4b0b290850f583b","contributors":{"authors":[{"text":"Izbicki, John A. 0000-0003-0816-4408 jaizbick@usgs.gov","orcid":"https://orcid.org/0000-0003-0816-4408","contributorId":1375,"corporation":false,"usgs":true,"family":"Izbicki","given":"John A.","email":"jaizbick@usgs.gov","affiliations":[{"id":595,"text":"U.S. Geological Survey","active":false,"usgs":true}],"preferred":false,"id":491155,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Bullen, Thomas D. 0000-0003-2281-1691 tdbullen@usgs.gov","orcid":"https://orcid.org/0000-0003-2281-1691","contributorId":1969,"corporation":false,"usgs":true,"family":"Bullen","given":"Thomas","email":"tdbullen@usgs.gov","middleInitial":"D.","affiliations":[{"id":438,"text":"National Research Program - Western Branch","active":true,"usgs":true}],"preferred":true,"id":491156,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Martin, Peter pmmartin@usgs.gov","contributorId":799,"corporation":false,"usgs":true,"family":"Martin","given":"Peter","email":"pmmartin@usgs.gov","affiliations":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"preferred":true,"id":491154,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Schroth, Brian","contributorId":60953,"corporation":false,"usgs":true,"family":"Schroth","given":"Brian","email":"","affiliations":[],"preferred":false,"id":491157,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70118533,"text":"70118533 - 2012 - Tsunami hazards to U.S. coasts from giant earthquakes in Alaska","interactions":[],"lastModifiedDate":"2018-01-08T16:25:10","indexId":"70118533","displayToPublicDate":"2012-05-01T09:55:03","publicationYear":"2012","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":"Tsunami hazards to U.S. coasts from giant earthquakes in Alaska","docAbstract":"In the aftermath of Japan's devastating 11 March 2011Mw 9.0 Tohoku earthquake and tsunami, scientists are considering whether and how a similar tsunami could be generated along the Alaskan-Aleutian subduction zone (AASZ). A tsunami triggered by an earthquake along the AASZ would cross the Pacific Ocean and cause extensive damage along highly populated U.S. coasts, with ports being particularly vulnerable. For example, a tsunami in 1946 generated by a Mw 8.6 earthquake near Unimak Pass, Alaska (Figure 1a), caused significant damage along the U.S. West Coast, took 150 lives in Hawaii, and inundated shorelines of South Pacific islands and Antarctica [Fryer et al., 2004; Lopez and Okal, 2006]. The 1946 tsunami occurred before modern broadband seismometers were in place, and the mechanisms that created it remain poorly understood.","language":"English","publisher":"American Geophysical Union","publisherLocation":"Washington, D.C.","doi":"10.1029/2012EO190001","usgsCitation":"Ryan, H.F., von Huene, R.E., Scholl, D., and Kirby, S., 2012, Tsunami hazards to U.S. coasts from giant earthquakes in Alaska: Eos, Transactions, American Geophysical Union, v. 93, no. 19, p. 185-186, https://doi.org/10.1029/2012EO190001.","productDescription":"2 p.","startPage":"185","endPage":"186","numberOfPages":"2","ipdsId":"IP-036084","costCenters":[{"id":520,"text":"Pacific Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":291256,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":291255,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1029/2012EO190001"}],"volume":"93","issue":"19","noUsgsAuthors":false,"publicationDate":"2012-05-08","publicationStatus":"PW","scienceBaseUri":"57f7f509e4b0bc0bec0a139e","contributors":{"authors":[{"text":"Ryan, Holly F. hryan@usgs.gov","contributorId":2375,"corporation":false,"usgs":true,"family":"Ryan","given":"Holly","email":"hryan@usgs.gov","middleInitial":"F.","affiliations":[],"preferred":false,"id":496926,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"von Huene, Roland E. 0000-0003-1301-3866 rvonhuene@usgs.gov","orcid":"https://orcid.org/0000-0003-1301-3866","contributorId":191070,"corporation":false,"usgs":true,"family":"von Huene","given":"Roland","email":"rvonhuene@usgs.gov","middleInitial":"E.","affiliations":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true},{"id":7065,"text":"USGS emeritus","active":true,"usgs":false}],"preferred":false,"id":496927,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Scholl, Dave","contributorId":34835,"corporation":false,"usgs":true,"family":"Scholl","given":"Dave","email":"","affiliations":[],"preferred":false,"id":496928,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Kirby, Stephen","contributorId":89412,"corporation":false,"usgs":true,"family":"Kirby","given":"Stephen","affiliations":[],"preferred":false,"id":496929,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70058770,"text":"70058770 - 2012 - Effects of river regulation on aeolian landscapes, Colorado River, southwestern USA","interactions":[],"lastModifiedDate":"2013-12-17T10:04:26","indexId":"70058770","displayToPublicDate":"2012-05-01T09:55:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2318,"text":"Journal of Geophysical Research F: Earth Surface","active":true,"publicationSubtype":{"id":10}},"title":"Effects of river regulation on aeolian landscapes, Colorado River, southwestern USA","docAbstract":"Connectivity between fluvial and aeolian sedimentary systems plays an important role in the physical and biological environment of dryland regions. This study examines the coupling between fluvial sand deposits and aeolian dune fields in bedrock canyons of the arid to semiarid Colorado River corridor, southwestern USA. By quantifying significant differences between aeolian landscapes with and without modern fluvial sediment sources, this work demonstrates for the first time that the flow- and sediment-limiting effects of dam operations affect sedimentary processes and ecosystems in aeolian landscapes above the fluvial high water line. Dune fields decoupled from fluvial sand supply have more ground cover (biologic crust and vegetation) and less aeolian sand transport than do dune fields that remain coupled to modern fluvial sand supply. The proportion of active aeolian sand area also is substantially lower in a heavily regulated river reach (Marble–Grand Canyon, Arizona) than in a much less regulated reach with otherwise similar environmental conditions (Cataract Canyon, Utah). The interconnections shown here among river flow and sediment, aeolian sand transport, and biologic communities in aeolian dunes demonstrate a newly recognized means by which anthropogenic influence alters dryland environments. Because fluvial–aeolian coupling is common globally, it is likely that similar sediment-transport connectivity and interaction with upland ecosystems are important in other dryland regions to a greater degree than has been recognized previously.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Journal of Geophysical Research F: Earth Surface","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Wiley","doi":"10.1029/2011JF002329","usgsCitation":"Draut, A.E., 2012, Effects of river regulation on aeolian landscapes, Colorado River, southwestern USA: Journal of Geophysical Research F: Earth Surface, v. 117, no. F2, 22 p., https://doi.org/10.1029/2011JF002329.","productDescription":"22 p.","numberOfPages":"22","onlineOnly":"Y","ipdsId":"IP-025954","costCenters":[],"links":[{"id":474516,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1029/2011jf002329","text":"Publisher Index Page"},{"id":280358,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":280357,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1029/2011JF002329"}],"country":"United States","state":"Colorado","otherGeospatial":"Colorado River","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -114.0,35.5 ], [ -114.0,38.166667 ], [ -109.75,38.166667 ], [ -109.75,35.5 ], [ -114.0,35.5 ] ] ] } } ] }","volume":"117","issue":"F2","noUsgsAuthors":false,"publicationDate":"2012-05-16","publicationStatus":"PW","scienceBaseUri":"53cd5702e4b0b290850f73da","contributors":{"authors":[{"text":"Draut, Amy E.","contributorId":92215,"corporation":false,"usgs":true,"family":"Draut","given":"Amy","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":487371,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70045179,"text":"70045179 - 2012 - Nature's Notebook 2011: Data & participant summary","interactions":[],"lastModifiedDate":"2016-05-17T13:48:34","indexId":"70045179","displayToPublicDate":"2012-05-01T05:15:00","publicationYear":"2012","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":1,"text":"Federal Government Series"},"seriesTitle":{"id":95,"text":"USA-NPN Technical Series","active":false,"publicationSubtype":{"id":1}},"seriesNumber":"2012‐001","title":"Nature's Notebook 2011: Data & participant summary","docAbstract":"The USA National Phenology Network The USA National Phenology Network (USA‐NPN; www.usanpn.org) seeks to engage a diverse range of citizen scientist volunteers, federal, state, and non‐governmental organizations, educators and professional research scientists to collect phenological observations of plants and animals using consistent standards and to contribute their observations to a national data repository. To guide this effort, the USA‐NPN National Coordinating Office (NCO), based in Tucson, Arizona, implemented an online monitoring program for plants and animals, Nature's Notebook, and has developed phenology monitoring protocols and an information management system, which includes the National Phenology Database (NPDb). We are developing a diversity of materials, tools, techniques, and protocols to assist decision making and education related to ecology, wildlife, human health, ecosystem services, natural resource management, biological conservation, and climate change adaptation.
","language":"English","publisher":"USA National Phenology Network","usgsCitation":"Kellermann, J.L., Crimmins, T., Denny, E.G., Enquist, C., Marsh, R.L., Rosemartin, A.H., and Weltzin, J., 2012, Nature's Notebook 2011: Data & participant summary: USA-NPN Technical Series 2012‐001, 34 p.","productDescription":"34 p.","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-038693","costCenters":[{"id":433,"text":"National Phenology Network","active":true,"usgs":true}],"links":[{"id":321335,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":321334,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://www.usanpn.org/pubs/reports#USA-NPN_Technical_Series"}],"country":"UNITED STATES","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"574d65ebe4b07e28b6684907","contributors":{"authors":[{"text":"Kellermann, Jherime L.","contributorId":139843,"corporation":false,"usgs":false,"family":"Kellermann","given":"Jherime","email":"","middleInitial":"L.","affiliations":[{"id":13292,"text":"Ecology & Evolutionary Biology ,University of Arizona","active":true,"usgs":false}],"preferred":false,"id":629631,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Crimmins, Theresa","contributorId":103579,"corporation":false,"usgs":false,"family":"Crimmins","given":"Theresa","affiliations":[],"preferred":false,"id":629632,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Denny, Ellen G.","contributorId":79803,"corporation":false,"usgs":true,"family":"Denny","given":"Ellen","email":"","middleInitial":"G.","affiliations":[],"preferred":false,"id":629633,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Enquist, Carolyn A.F.","contributorId":87445,"corporation":false,"usgs":true,"family":"Enquist","given":"Carolyn A.F.","affiliations":[],"preferred":false,"id":629634,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Marsh, R. Lee","contributorId":146211,"corporation":false,"usgs":false,"family":"Marsh","given":"R.","email":"","middleInitial":"Lee","affiliations":[{"id":16629,"text":"USA National Phenology Network, SNRE University of Arizona","active":true,"usgs":false}],"preferred":false,"id":629635,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Rosemartin, Alyssa H.","contributorId":30910,"corporation":false,"usgs":true,"family":"Rosemartin","given":"Alyssa","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":629636,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Weltzin, Jake F. jweltzin@usgs.gov","contributorId":149476,"corporation":false,"usgs":true,"family":"Weltzin","given":"Jake F.","email":"jweltzin@usgs.gov","affiliations":[{"id":433,"text":"National Phenology Network","active":true,"usgs":true}],"preferred":false,"id":629637,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}} ,{"id":70038258,"text":"ofr20121071 - 2012 - R-SWAT-FME user's guide","interactions":[],"lastModifiedDate":"2012-05-08T01:01:39","indexId":"ofr20121071","displayToPublicDate":"2012-05-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2012-1071","title":"R-SWAT-FME user's guide","docAbstract":"R program language-Soil and Water Assessment Tool-Flexible Modeling Environment (R-SWAT-FME) (Wu and Liu, 2012) is a comprehensive modeling framework that adopts an R package, Flexible Modeling Environment (FME) (Soetaert and Petzoldt, 2010), for the Soil and Water Assessment Tool (SWAT) model (Arnold and others, 1998; Neitsch and others, 2005). This framework provides the functionalities of parameter identifiability, model calibration, and sensitivity and uncertainty analysis with instant visualization. This user's guide shows how to apply this framework for a customized SWAT project.","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ofr20121071","usgsCitation":"Wu, Y., and Liu, S., 2012, R-SWAT-FME user's guide: U.S. Geological Survey Open-File Report 2012-1071, iii, 5 p., https://doi.org/10.3133/ofr20121071.","productDescription":"iii, 5 p.","startPage":"i","endPage":"5","numberOfPages":"8","onlineOnly":"Y","additionalOnlineFiles":"N","costCenters":[{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true}],"links":[{"id":254640,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2012/1071/","linkFileType":{"id":5,"text":"html"}},{"id":254644,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/ofr_2012_1071.gif"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a931ee4b0c8380cd80c14","contributors":{"authors":[{"text":"Wu, Yiping ywu@usgs.gov","contributorId":987,"corporation":false,"usgs":true,"family":"Wu","given":"Yiping","email":"ywu@usgs.gov","affiliations":[{"id":223,"text":"Earth Resources Observation and Science (EROS) Center (Geography)","active":false,"usgs":true}],"preferred":true,"id":463757,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Liu, Shu-Guang sliu@usgs.gov","contributorId":984,"corporation":false,"usgs":true,"family":"Liu","given":"Shu-Guang","email":"sliu@usgs.gov","affiliations":[{"id":223,"text":"Earth Resources Observation and Science (EROS) Center (Geography)","active":false,"usgs":true}],"preferred":false,"id":463756,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70038252,"text":"ofr20121025 - 2012 - Preliminary investigation of the effects of sea-level rise on groundwater levels in New Haven, Connecticut","interactions":[],"lastModifiedDate":"2012-05-02T12:00:53","indexId":"ofr20121025","displayToPublicDate":"2012-05-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2012-1025","title":"Preliminary investigation of the effects of sea-level rise on groundwater levels in New Haven, Connecticut","docAbstract":"Global sea level rose about 0.56 feet (ft) (170 millimeters (mm)) during the 20th century. Since the 1960s, sea level has risen at Bridgeport, Connecticut, about 0.38 ft (115 mm), at a rate of 0.008 ft (2.56 mm + or - 0.58 mm) per year. With regional subsidence, and with predicted global climate change, sea level is expected to continue to rise along the northeast coast of the United States through the 21st century. Increasing sea levels will cause groundwater levels in coastal areas to rise in order to adjust to the new conditions. Some regional climate models predict wetter climate in the northeastern United States under some scenarios. Scenarios for the resulting higher groundwater levels have the potential to inundate underground infrastructure in lowlying coastal cities. New Haven is a coastal city in Connecticut surrounded and bisected by tidally affected waters. Monitoring of water levels in wells in New Haven from August 2009 to July 2010 indicates the complex effects of urban influence on groundwater levels. The response of groundwater levels to recharge and season varied considerably from well to well. Groundwater temperatures varied seasonally, but were warmer than what was typical for Connecticut, and they seem to reflect the influence of the urban setting, including the effects of conduits for underground utilities. Specific conductance was elevated in many of the wells, indicating the influence of urban activities or seawater in Long Island Sound. A preliminary steady-state model of groundwater flow for part of New Haven was constructed using MODFLOW to simulate current groundwater levels (2009-2010) and future groundwater levels based on scenarios with a rise of 3 ft (0.91 meters (m)) in sea level, which is predicted for the end of the 21st century. An additional simulation was run assuming a 3-ft rise in sea level combined with a 12-percent increase in groundwater recharge. The model was constructed from existing hydrogeologic information for the New Haven area and from new information on groundwater levels collected during October 2009-June 2010. For the scenario with a 3-ft rise in sea level and no increase in recharge, simulated groundwater levels near the coast rose 3 ft; this increased water level tapered off toward a discharge area at the only nontidal stream in the study area. Simulated stream discharge increased at the nontidal stream because of the increased gradient. Although groundwater levels rose, the simulated difference between the groundwater levels in the aquifer and the increased sea level declined, indicating that the depth to the interface between freshwater and saltwater may possibly decline. Simulated water levels were affected by rise in sea level even in areas where the water table was at 17-24 ft (5.2-7.3 m) above current (2011) sea level. For the scenario with increased recharge, simulated groundwater levels were as much as an additional foot higher at some locations in the study area. The results of this preliminary investigation indicate that groundwater levels in coastal areas can be expected to rise and may rise higher if groundwater recharge also increases. This finding has implications for the disposal of stormwater through infiltration, a low-impact development practice designed to improve water quality and reduce overland peak discharge. Other implications include increased risk of basement flooding and increased groundwater seepage into underground sewer pipes and utility corridors in some areas. These implications will present engineering challenges to New Haven and Yale University. The preliminary model developed for this study can be the starting point for further simulation of future alternative scenarios for sea-level rise and recharge. Further simulations could identify those areas of New Haven where infrastructure may be at greatest risk from rising levels of groundwater. The simulations described in this report have limitations due to the preliminary scope of the work. Approaches to improve simulations include but are not limited to incorporating: * The variable density of seawater into the model in order to understand the current and future location of the interface between freshwater and saltwater; * Collection of additional data in order to better resolve temporal and spatial patterns in water levels in the aquifer; * Improved estimates of recharge through direct and indirect measurements of freshwater discharge from the study area; and * Transient simulations for greater understanding of the amount of time required for water levels and the position of the interface between freshwater and saltwater to adjust to changes in sea level and recharge.","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ofr20121025","collaboration":"Prepared in cooperation with Yale University","usgsCitation":"Bjerklie, D.M., Mullaney, J.R., Stone, J.R., Skinner, B.J., and Ramlow, M.A., 2012, Preliminary investigation of the effects of sea-level rise on groundwater levels in New Haven, Connecticut: U.S. Geological Survey Open-File Report 2012-1025, v, 46 p., https://doi.org/10.3133/ofr20121025.","productDescription":"v, 46 p.","additionalOnlineFiles":"Y","costCenters":[{"id":196,"text":"Connecticut Water Science Center","active":true,"usgs":true}],"links":[{"id":254637,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2012/1025/","linkFileType":{"id":5,"text":"html"}},{"id":254638,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/ofr_2012_1025.jpg"}],"scale":"24000","country":"United States","state":"Connecticut","city":"New Haven","otherGeospatial":"New Haven Harbor;West River;Mill River","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -73,41.266666666666666 ], [ -73,41.4 ], [ -72.86666666666666,41.4 ], [ -72.86666666666666,41.266666666666666 ], [ -73,41.266666666666666 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a8851e4b0c8380cd7d847","contributors":{"authors":[{"text":"Bjerklie, David M. 0000-0002-9890-4125 dmbjerkl@usgs.gov","orcid":"https://orcid.org/0000-0002-9890-4125","contributorId":3589,"corporation":false,"usgs":true,"family":"Bjerklie","given":"David","email":"dmbjerkl@usgs.gov","middleInitial":"M.","affiliations":[{"id":466,"text":"New England Water Science Center","active":true,"usgs":true},{"id":196,"text":"Connecticut Water Science Center","active":true,"usgs":true}],"preferred":true,"id":463744,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Mullaney, John R. 0000-0003-4936-5046 jmullane@usgs.gov","orcid":"https://orcid.org/0000-0003-4936-5046","contributorId":1957,"corporation":false,"usgs":true,"family":"Mullaney","given":"John","email":"jmullane@usgs.gov","middleInitial":"R.","affiliations":[{"id":466,"text":"New England Water Science Center","active":true,"usgs":true},{"id":196,"text":"Connecticut Water Science Center","active":true,"usgs":true}],"preferred":true,"id":463743,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Stone, Janet Radway jrstone@usgs.gov","contributorId":1695,"corporation":false,"usgs":true,"family":"Stone","given":"Janet","email":"jrstone@usgs.gov","middleInitial":"Radway","affiliations":[{"id":243,"text":"Eastern Geology and Paleoclimate Science Center","active":true,"usgs":true}],"preferred":true,"id":463742,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Skinner, Brian J.","contributorId":75371,"corporation":false,"usgs":true,"family":"Skinner","given":"Brian","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":463745,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Ramlow, Matthew A.","contributorId":93758,"corporation":false,"usgs":true,"family":"Ramlow","given":"Matthew","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":463746,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70154979,"text":"70154979 - 2012 - Floodplain wetlands of the southeastern coastal plain","interactions":[],"lastModifiedDate":"2016-12-15T13:40:58","indexId":"70154979","displayToPublicDate":"2012-05-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"title":"Floodplain wetlands of the southeastern coastal plain","docAbstract":"n/a
","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Wetland habitats of North America: ecology and conservation concerns","language":"English","publisher":"University of California Press","usgsCitation":"King, S.L., Battaglia, L.L., Hupp, C.R., Keim, R., and Graeme Lockaby, B., 2012, Floodplain wetlands of the southeastern coastal plain, chap. of Wetland habitats of North America: ecology and conservation concerns, p. 253-266.","productDescription":"14 p. ","startPage":"253","endPage":"266","ipdsId":"IP-022300","costCenters":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"links":[{"id":332173,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":332169,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://www.ucpress.edu/book.php?isbn=9780520271647"}],"publishingServiceCenter":{"id":8,"text":"Raleigh PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5853ba46e4b0e2663625f2d2","contributors":{"authors":[{"text":"King, Sammy L. 0000-0002-5364-6361 sking@usgs.gov","orcid":"https://orcid.org/0000-0002-5364-6361","contributorId":557,"corporation":false,"usgs":true,"family":"King","given":"Sammy","email":"sking@usgs.gov","middleInitial":"L.","affiliations":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"preferred":true,"id":564458,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Battaglia, Loretta L.","contributorId":8307,"corporation":false,"usgs":true,"family":"Battaglia","given":"Loretta","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":656018,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Hupp, Cliff R. 0000-0003-1853-9197 crhupp@usgs.gov","orcid":"https://orcid.org/0000-0003-1853-9197","contributorId":2344,"corporation":false,"usgs":true,"family":"Hupp","given":"Cliff","email":"crhupp@usgs.gov","middleInitial":"R.","affiliations":[{"id":436,"text":"National Research Program - Eastern Branch","active":true,"usgs":true},{"id":37277,"text":"WMA - Earth System Processes Division","active":true,"usgs":true}],"preferred":true,"id":656019,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Keim, Richard F.","contributorId":21858,"corporation":false,"usgs":true,"family":"Keim","given":"Richard F.","affiliations":[],"preferred":false,"id":656020,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Graeme Lockaby, B.","contributorId":145558,"corporation":false,"usgs":false,"family":"Graeme Lockaby","given":"B.","email":"","affiliations":[{"id":16147,"text":"Professor, School of Forestry and Wildlife Sciences, Auburn University, Auburn, Alabama","active":true,"usgs":false}],"preferred":false,"id":656021,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70040382,"text":"70040382 - 2012 - Status and trends of the land bird avifauna on Tinian and Aguiguan, Mariana Islands","interactions":[],"lastModifiedDate":"2018-01-10T09:47:54","indexId":"70040382","displayToPublicDate":"2012-05-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":9,"text":"Other Report"},"seriesTitle":{"id":414,"text":"Technical Report","active":false,"publicationSubtype":{"id":9}},"seriesNumber":"HCSU-029","title":"Status and trends of the land bird avifauna on Tinian and Aguiguan, Mariana Islands","docAbstract":"Avian surveys were conducted on the islands of Tinian and Aguiguan, Marianas Islands, in 2008 by the U.S. Fish and Wildlife Service to provide current baseline densities and abundances and assess population trends using data collected from previous surveys. On Tinian, during the three surveys (1982, 1996, and 2008), 18 species were detected, and abundances and trends were assessed for 12 species. Half of the 10 native species—Yellow Bittern (Ixobrychus sinensis), White-throated Ground-Dove (Gallicolumba xanthonura), Collared Kingfisher (Todiramphus chloris), Rufous Fantail (Rhipidura rufifrons), and Micronesian Starling (Aplonis opaca)—and one alien bird—Island Collared-Dove (Streptopelia bitorquata)—have increased since 1982. Three native birds—Mariana Fruit-Dove (Ptilinopus roseicapilla), Micronesian Honeyeater (Myzomela rubratra), and Tinian Monarch (Monarcha takatsukasae)—have decreased since 1982. Trends for the remaining two native birds—White Tern (Gygis alba) and Bridled White-eye (Zosterops saypani)—and one alien bird—Eurasian Tree Sparrow (Passer montanus)—were considered relatively stable. Only five birds—White-throated Ground-Dove, Mariana Fruit-Dove, Tinian Monarch, Rufous Fantail, and Bridled White-eye—showed significant differences among regions of Tinian by year. Tinian Monarch was found in all habitat types, with the greatest monarch densities observed in limestone forest, secondary forest, and tangantangan (Leucaena leucocephala) thicket and the smallest densities found in open fields and urban/residential habitats. On Aguiguan, 19 species were detected on one or both of the surveys (1982 and 2008), and abundance estimates were produced for nine native and one alien species. Densities for seven of the nine native birds—White-throated Ground-Dove, Mariana Fruit-Dove, Collared Kingfisher, Rufous Fantail, Bridled White-eye, Golden White-eye (Cleptornis marchei), and Micronesian Starling—and the alien bird— Island Collared-Dove—were significantly greater in 2008 than 1982. No differences in densities were detected between the two surveys for White Tern and Micronesian Honeyeater. Three native land birds— Micronesian Megapode (Megapodius laperouse), Guam Swiftlet (Collocalia bartschi), and Nightingale Reed-Warbler (Acrocephalus luscinia)—were either not detected during the point-transect counts or the numbers of birds detected were too small to estimate densities for either island. Increased military operations on Tinian may result in increases in habitat clearings and the human population, which would expand human-dominated habitats, and declines in some bird populations would be likely to continue or be exacerbated with these actions. Expanded military activities on Tinian would also mean increased movement between Guam and Tinian, elevating the probability of transporting the brown tree snake (Boiga irregularis) to Tinian.
","language":"English","publisher":"University of Hawaii at Hilo","publisherLocation":"Hilo, HI","usgsCitation":"Camp, R.J., Pratt, T.K., Amidon, F., Marshall, A.P., Kremer, S., and Laut, M., 2012, Status and trends of the land bird avifauna on Tinian and Aguiguan, Mariana Islands: Technical Report HCSU-029, iv., 46 p.","productDescription":"iv., 46 p.","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-032742","costCenters":[{"id":521,"text":"Pacific Island Ecosystems Research Center","active":false,"usgs":true}],"links":[{"id":326179,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"otherGeospatial":"Mariana Islands","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"57a5b8dae4b0ebae89b78a4d","contributors":{"authors":[{"text":"Camp, Richard J. 0000-0001-7008-923X rick_camp@usgs.gov","orcid":"https://orcid.org/0000-0001-7008-923X","contributorId":116175,"corporation":false,"usgs":true,"family":"Camp","given":"Richard","email":"rick_camp@usgs.gov","middleInitial":"J.","affiliations":[],"preferred":false,"id":644924,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Pratt, Thane K. tkpratt@usgs.gov","contributorId":5495,"corporation":false,"usgs":true,"family":"Pratt","given":"Thane","email":"tkpratt@usgs.gov","middleInitial":"K.","affiliations":[{"id":5049,"text":"Pacific Islands Ecosys Research Center","active":true,"usgs":true}],"preferred":true,"id":644925,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Amidon, Fred","contributorId":62934,"corporation":false,"usgs":false,"family":"Amidon","given":"Fred","affiliations":[{"id":6654,"text":"USFWS","active":true,"usgs":false}],"preferred":false,"id":644926,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Marshall, Ann P.","contributorId":140290,"corporation":false,"usgs":false,"family":"Marshall","given":"Ann","email":"","middleInitial":"P.","affiliations":[{"id":6927,"text":"USFWS, National Wildlife Refuge System","active":true,"usgs":false}],"preferred":false,"id":644927,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Kremer, Shelly","contributorId":173509,"corporation":false,"usgs":false,"family":"Kremer","given":"Shelly","email":"","affiliations":[],"preferred":false,"id":644928,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Laut, Megan","contributorId":140110,"corporation":false,"usgs":false,"family":"Laut","given":"Megan","email":"","affiliations":[{"id":13385,"text":"University of Hawaii at Hilo Cooperative Studies Unit","active":true,"usgs":false}],"preferred":false,"id":644929,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ,{"id":70043559,"text":"70043559 - 2012 - Habitat persistence for sedentary organisms in managed rivers: the case for the federally endangered dwarf wedgemussel (Alasmidonta heterodon) in the Delaware River","interactions":[],"lastModifiedDate":"2017-07-24T12:57:37","indexId":"70043559","displayToPublicDate":"2012-05-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1696,"text":"Freshwater Biology","active":true,"publicationSubtype":{"id":10}},"title":"Habitat persistence for sedentary organisms in managed rivers: the case for the federally endangered dwarf wedgemussel (Alasmidonta heterodon) in the Delaware River","docAbstract":"1. To manage the environmental flow requirements of sedentary taxa, such as mussels and aquatic insects with fixed retreats, we need a measure of habitat availability over a variety of flows (i.e. a measure of persistent habitat). Habitat suitability measures in current environmental flow assessments are measured on a ‘flow by flow’ basis and thus are not appropriate for these taxa. Here, we present a novel measure of persistent habitat suitability for the dwarf wedgemussel (Alasmidonta heterodon), listed as federally endangered in the U.S.A., in three reaches of the Delaware River.\n\n2. We used a two-dimensional hydrodynamic model to quantify suitable habitat over a range of flows based on modelled depth, velocity, Froude number, shear velocity and shear stress at three scales (individual mussel, mussel bed and reach). Baseline potentially persistent habitat was quantified as the sum of pixels that met all thresholds identified for these variables for flows ≥40 m3 s−1, and we calculated the loss of persistently suitable habitat by sequentially summing suitable habitat estimates at lower flows. We estimated the proportion of mussel beds exposed at each flow and the amount of change in the size of the mussel bed for one reach.\n\n3. For two reaches, mussel beds occupied areas with lower velocity, shear velocity, shear stress and Froude number than the reach average at all flows. In the third reach, this was true only at higher flows. Together, these results indicate that beds were possible refuge areas from the effects of these hydrological parameters. Two reaches showed an increase in the amount of exposed mussel beds with decreasing flow.\n\n4. Baseline potentially persistent habitat was less than half the areal extent of potentially suitable habitat, and it decreased with decreasing flow. Actually identified beds and modelled persistent habitat showed good spatial overlap, but identified beds occupied only a portion of the total modelled persistent habitat, indicating either that additional suitable habitat is available or the need to improve habitat criteria. At one site, persistent beds (beds where mussels were routinely collected) were located at sites with stable substratum, whereas marginal beds (beds where mussels were infrequently collected or that were lost following a large flood event) were located in scoured areas.\n\n5. Taken together, these model results support a multifaceted approach, which incorporates the effects of low and high flow stressors, to quantify habitat suitability for mussels and other sedentary taxa. Models of persistent habitat can provide a more holistic environmental flow assessment of rivers.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Freshwater Biology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Wiley","doi":"10.1111/j.1365-2427.2012.02788.x","usgsCitation":"Maloney, K.O., Lellis, W.A., Bennett, R., and Waddle, T.J., 2012, Habitat persistence for sedentary organisms in managed rivers: the case for the federally endangered dwarf wedgemussel (Alasmidonta heterodon) in the Delaware River: Freshwater Biology, v. 57, no. 6, p. 1315-1327, https://doi.org/10.1111/j.1365-2427.2012.02788.x.","startPage":"1315","endPage":"1327","ipdsId":"IP-033815","costCenters":[{"id":199,"text":"Coop Res Unit Leetown","active":true,"usgs":true}],"links":[{"id":270526,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":270525,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1111/j.1365-2427.2012.02788.x"}],"country":"United States","volume":"57","issue":"6","noUsgsAuthors":false,"publicationDate":"2012-04-10","publicationStatus":"PW","scienceBaseUri":"515d4f67e4b0803bd2eec530","contributors":{"authors":[{"text":"Maloney, Kelly O. 0000-0003-2304-0745 kmaloney@usgs.gov","orcid":"https://orcid.org/0000-0003-2304-0745","contributorId":4636,"corporation":false,"usgs":true,"family":"Maloney","given":"Kelly","email":"kmaloney@usgs.gov","middleInitial":"O.","affiliations":[{"id":365,"text":"Leetown Science Center","active":true,"usgs":true}],"preferred":true,"id":473837,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Lellis, William A. 0000-0001-7806-2904 wlellis@usgs.gov","orcid":"https://orcid.org/0000-0001-7806-2904","contributorId":2369,"corporation":false,"usgs":true,"family":"Lellis","given":"William","email":"wlellis@usgs.gov","middleInitial":"A.","affiliations":[{"id":506,"text":"Office of the AD Ecosystems","active":true,"usgs":true}],"preferred":true,"id":473836,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Bennett, Randy M.","contributorId":7157,"corporation":false,"usgs":true,"family":"Bennett","given":"Randy M.","affiliations":[],"preferred":false,"id":473838,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Waddle, Terry J.","contributorId":43430,"corporation":false,"usgs":true,"family":"Waddle","given":"Terry","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":473839,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70154818,"text":"70154818 - 2012 - Red-tailed Hawk movements and use of habitat in the Luquillo Mountains of Puerto Rico","interactions":[],"lastModifiedDate":"2022-11-14T17:41:31.800579","indexId":"70154818","displayToPublicDate":"2012-05-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3784,"text":"Wilson Journal of Ornithology","active":true,"publicationSubtype":{"id":10}},"title":"Red-tailed Hawk movements and use of habitat in the Luquillo Mountains of Puerto Rico","docAbstract":"The Red-tailed Hawk (Buteo jamaicensis) is a top predator of upland ecosystems in the Greater Antilles. Little information exists on the ecology of the insular forms of this widely distributed species. We studied movements and resource use of the Red-tailed Hawk from 2000 to 2002 in the montane forests of northeastern Puerto Rico. We captured 32 and used 21 radio-marked Red-tailed Hawks to delineate home range, core area shifts, and macrohabitat use in the Luquillo Mountains. Red-tailed Hawks in the Luquillo Mountains frequently perched near the top of canopy emergent trees and were characterized by wide-ranging capabilities and extensive spatial overlap. Home range size averaged 5,022.6 ± 832.1 ha (305–11,288 ha) and core areas averaged 564.8 ± 90.7 ha (150–1,230 ha). This species had large mean weekly movements (3,286.2 ± 348.5 m) and a preference for roadside habitats. Our findings suggest fragmentation of contiguous forest outside protected areas in Puerto Rico may benefit the Red-tailed Hawk.
","language":"English","publisher":"Wilson Ornithological Society","doi":"10.1676/1559-4491-124.4.758","usgsCitation":"Vilella, F., and Nimitz, W.F., 2012, Red-tailed Hawk movements and use of habitat in the Luquillo Mountains of Puerto Rico: Wilson Journal of Ornithology, v. 124, no. 4, p. 758-766, https://doi.org/10.1676/1559-4491-124.4.758.","productDescription":"8 p.","startPage":"758","endPage":"766","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-034509","costCenters":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"links":[{"id":306509,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Puerto Rico","otherGeospatial":"Luquillo mountains","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -65.66008396436987,\n 18.33214265601096\n ],\n [\n -65.76660368013877,\n 18.356697108871487\n ],\n [\n -65.84147182322212,\n 18.261059544642336\n ],\n [\n -65.90873141517868,\n 18.254701098860238\n ],\n [\n -65.8052551198605,\n 18.216545538744683\n ],\n [\n -65.66008396436987,\n 18.33214265601096\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"124","issue":"4","publishingServiceCenter":{"id":8,"text":"Raleigh PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"57f7f509e4b0bc0bec0a13a2","contributors":{"authors":[{"text":"Vilella, Francisco fvilella@usgs.gov","contributorId":4255,"corporation":false,"usgs":true,"family":"Vilella","given":"Francisco","email":"fvilella@usgs.gov","affiliations":[{"id":595,"text":"U.S. Geological Survey","active":false,"usgs":true}],"preferred":false,"id":564232,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Nimitz, Wyatt F.","contributorId":146363,"corporation":false,"usgs":false,"family":"Nimitz","given":"Wyatt","email":"","middleInitial":"F.","affiliations":[],"preferred":false,"id":567572,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70173537,"text":"70173537 - 2012 - Trends in Marine Debris along the U.S. Pacific Coast and Hawai’i 1998-2007","interactions":[],"lastModifiedDate":"2016-06-15T17:08:59","indexId":"70173537","displayToPublicDate":"2012-05-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2676,"text":"Marine Pollution Bulletin","active":true,"publicationSubtype":{"id":10}},"title":"Trends in Marine Debris along the U.S. Pacific Coast and Hawai’i 1998-2007","docAbstract":"We assessed amounts, composition, and trends of marine debris for the U.S. Pacific Coast and Hawai’i using National Marine Debris Monitoring Program data. Hawai’i had the highest debris loads; the North Pacific Coast region had the lowest debris loads. The Southern California Bight region had the highest land-based debris loads. Debris loads decreased over time for all source categories in all regions except for land-based and general-source loads in the North Pacific Coast region, which were unchanged. General-source debris comprised 30–40% of the items in all regions. Larger local populations were associated with higher land-based debris loads across regions; the effect declined at higher population levels. Upwelling affected deposition of ocean-based and general-source debris loads but not land-based loads along the Pacific Coast. LNSO decreased debris loads for both land-based and ocean-based debris but not general-source debris in Hawai’i, a more complex climate-ocean effect than had previously been found.
","language":"English","doi":"10.1016/j.marpolbul.2012.02.008","usgsCitation":"Ribic, C., Sheavly, S.B., Rugg, D.J., and Erdmann, E.S., 2012, Trends in Marine Debris along the U.S. Pacific Coast and Hawai’i 1998-2007: Marine Pollution Bulletin, v. 64, no. 5, p. 944-1004, https://doi.org/10.1016/j.marpolbul.2012.02.008.","productDescription":"11 p.","startPage":"944","endPage":"1004","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-033551","costCenters":[{"id":199,"text":"Coop Res Unit Leetown","active":true,"usgs":true}],"links":[{"id":323725,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"California, Hawaii, Oregon, Washington","otherGeospatial":"US North Pacific Coast","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -160.8837890625,\n 18.166730410221938\n ],\n [\n -160.8837890625,\n 22.59372606392931\n ],\n [\n -153.80859375,\n 22.59372606392931\n ],\n [\n -153.80859375,\n 18.166730410221938\n ],\n [\n -160.8837890625,\n 18.166730410221938\n ]\n ]\n ]\n }\n },\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -127.08984375000001,\n 48.45835188280866\n ],\n [\n -124.93652343749999,\n 48.42920055556841\n ],\n [\n -124.1015625,\n 46.28622391806708\n ],\n [\n -124.541015625,\n 42.90816007196054\n ],\n [\n -124.18945312500001,\n 41.44272637767212\n ],\n [\n -124.71679687499999,\n 40.38002840251183\n ],\n [\n -123.96972656249999,\n 39.80853604144591\n ],\n [\n -126.3427734375,\n 39.707186656826565\n ],\n [\n -127.08984375000001,\n 48.45835188280866\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"64","issue":"5","publishingServiceCenter":{"id":9,"text":"Reston PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"57627c38e4b07657d19a6a1a","contributors":{"authors":[{"text":"Ribic, Christine 0000-0003-2583-1778 caribic@usgs.gov","orcid":"https://orcid.org/0000-0003-2583-1778","contributorId":147952,"corporation":false,"usgs":true,"family":"Ribic","given":"Christine","email":"caribic@usgs.gov","affiliations":[{"id":5068,"text":"Midwest Regional Director's Office","active":true,"usgs":true},{"id":199,"text":"Coop Res Unit Leetown","active":true,"usgs":true}],"preferred":true,"id":637276,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Sheavly, Seba B.","contributorId":171391,"corporation":false,"usgs":false,"family":"Sheavly","given":"Seba","email":"","middleInitial":"B.","affiliations":[{"id":26885,"text":"Sheavly Consultants, Virginia Beach, VA","active":true,"usgs":false}],"preferred":false,"id":639150,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Rugg, David J.","contributorId":171931,"corporation":false,"usgs":false,"family":"Rugg","given":"David","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":639151,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Erdmann, Eric S.","contributorId":97743,"corporation":false,"usgs":true,"family":"Erdmann","given":"Eric","email":"","middleInitial":"S.","affiliations":[],"preferred":false,"id":639152,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70193577,"text":"70193577 - 2012 - Tidal triggering of low frequency earthquakes near Parkfield, California: Implications for fault mechanics within the brittle-ductile transition","interactions":[],"lastModifiedDate":"2017-11-02T11:27:31","indexId":"70193577","displayToPublicDate":"2012-05-01T00:00:00","publicationYear":"2012","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":"Tidal triggering of low frequency earthquakes near Parkfield, California: Implications for fault mechanics within the brittle-ductile transition","docAbstract":"Studies of nonvolcanic tremor (NVT) have established the significant impact of small stress perturbations on NVT generation. Here we analyze the influence of the solid earth and ocean tides on a catalog of ∼550,000 low frequency earthquakes (LFEs) distributed along a 150 km section of the San Andreas Fault centered at Parkfield. LFE families are identified in the NVT data on the basis of waveform similarity and are thought to represent small, effectively co-located earthquakes occurring on brittle asperities on an otherwise aseismic fault at depths of 16 to 30 km. We calculate the sensitivity of each of these 88 LFE families to the tidally induced right-lateral shear stress (RLSS), fault-normal stress (FNS), and their time derivatives and use the hypocentral locations of each family to map the spatial variability of this sensitivity. LFE occurrence is most strongly modulated by fluctuations in shear stress, with the majority of families demonstrating a correlation with RLSS at the 99% confidence level or above. Producing the observed LFE rate modulation in response to shear stress perturbations requires low effective stress in the LFE source region. There are substantial lateral and vertical variations in tidal shear stress sensitivity, which we interpret to reflect spatial variation in source region properties, such as friction and pore fluid pressure. Additionally, we find that highly episodic, shallow LFE families are generally less correlated with tidal stresses than their deeper, continuously active counterparts. The majority of families have weaker or insignificant correlation with positive (tensile) FNS. Two groups of families demonstrate a stronger correlation with fault-normal tension to the north and with compression to the south of Parkfield. The families that correlate with fault-normal clamping coincide with a releasing right bend in the surface fault trace and the LFE locations, suggesting that the San Andreas remains localized and contiguous down to near the base of the crust. The deep families that have high sensitivity to both shear and tensile normal stress perturbations may be indicative of an increase in effective fault contact area with depth. Synthesizing our observations with those of other LFE-hosting localities will help to develop a comprehensive understanding of transient fault slip below the “seismogenic zone” by providing constraints on parameters in physical models of slow slip and LFEs.
","language":"English","publisher":"AGU","doi":"10.1029/2011JB009036","usgsCitation":"Thomas, A., Burgmann, R., Shelly, D.R., Beeler, N.M., and Rudolph, M., 2012, Tidal triggering of low frequency earthquakes near Parkfield, California: Implications for fault mechanics within the brittle-ductile transition: Journal of Geophysical Research B: Solid Earth, v. 117, no. B5, p. 1-24, https://doi.org/10.1029/2011JB009036.","productDescription":"B05301; 24 p.","startPage":"1","endPage":"24","ipdsId":"IP-037106","costCenters":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"links":[{"id":348074,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"California","city":"Parkfield","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -121,\n 35.5\n ],\n [\n -120,\n 35.5\n ],\n [\n -120,\n 36.5\n ],\n [\n -121,\n 36.5\n ],\n [\n -121,\n 35.5\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"117","issue":"B5","publishingServiceCenter":{"id":14,"text":"Menlo Park PSC"},"noUsgsAuthors":false,"publicationDate":"2012-05-04","publicationStatus":"PW","scienceBaseUri":"59fc2eb1e4b0531197b28024","contributors":{"authors":[{"text":"Thomas, A.M.","contributorId":47735,"corporation":false,"usgs":true,"family":"Thomas","given":"A.M.","email":"","affiliations":[],"preferred":false,"id":719482,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Burgmann, R.","contributorId":10167,"corporation":false,"usgs":true,"family":"Burgmann","given":"R.","affiliations":[],"preferred":false,"id":719483,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Shelly, David R. dshelly@usgs.gov","contributorId":2978,"corporation":false,"usgs":true,"family":"Shelly","given":"David","email":"dshelly@usgs.gov","middleInitial":"R.","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true},{"id":114,"text":"Alaska Science Center","active":true,"usgs":true}],"preferred":true,"id":719484,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Beeler, Nicholas M. 0000-0002-3397-8481 nbeeler@usgs.gov","orcid":"https://orcid.org/0000-0002-3397-8481","contributorId":2682,"corporation":false,"usgs":true,"family":"Beeler","given":"Nicholas","email":"nbeeler@usgs.gov","middleInitial":"M.","affiliations":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true},{"id":234,"text":"Earthquake Hazards Program","active":true,"usgs":true}],"preferred":true,"id":719485,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Rudolph, M.L.","contributorId":93365,"corporation":false,"usgs":true,"family":"Rudolph","given":"M.L.","email":"","affiliations":[],"preferred":false,"id":719486,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70040648,"text":"70040648 - 2012 - Timing and proximate causes of mortality in wild bird populations: testing Ashmole’s hypothesis","interactions":[],"lastModifiedDate":"2016-11-09T14:57:38","indexId":"70040648","displayToPublicDate":"2012-05-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":21,"text":"Thesis"},"title":"Timing and proximate causes of mortality in wild bird populations: testing Ashmole’s hypothesis","docAbstract":"Avian influenza virus (AIV) is influenced by site fidelity and movements of bird hosts. We examined the movement ecology of American crows (Corvus brachyrhynchos) as potential hosts for West Nile virus (WNV) and greater white-fronted geese (Anser albifrons frontalis) as potential hosts for AIVs. Research was based on radio-telemetry studies conducted in the Central Valley of California, USA. While crows were restricted to a small area of only a few square kilometers, the distribution of the geese encompassed the northern Central Valley. The crows used 1.5 to 3.5 different roosting areas monthly from February through October, revealing lower roost fidelity than the geese that used 1.1 to 1.5 roosting areas each month from November through March. The crows moved a mean distance of 0.11 to 0.49 km/month between their roosting sites and 2.5 to 3.9 km/month between roosting and feeding sites. In contrast, the geese moved 4.2 to 19.3 km/month between roosting areas, and their feeding range varied from 13.2 to 19.0 km/month. Our comparison of the ecological characteristics of bird movements suggests that the limited local movements of crows coupled with frequent turnover of roosts may result in persistence of focal areas for WNV infection. In contrast, widespread areas used by geese will provide regular opportunities for intermixing of AIVs over a much greater geographic area.
","language":"English","publisher":"Berryman Institute","doi":"10.26077/x5rx-sx16","usgsCitation":"Muzaffar, S.B., Hill, N.J., Takekawa, J.Y., Perry, W.M., Smith, L.M., and Boyce, W.M., 2012, Role of bird movements in the epidemiology of West Nile and avian influenza virus: Human-Wildlife Interactions, v. 6, no. 1, p. 72-88, https://doi.org/10.26077/x5rx-sx16.","productDescription":"17 p.","startPage":"72","endPage":"88","ipdsId":"IP-027515","costCenters":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"links":[{"id":338072,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"California","otherGeospatial":"Central Valley","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -118.487548828125,\n 34.732584206123626\n ],\n [\n -118.69628906249999,\n 36.11125252076156\n ],\n [\n -119.17968749999999,\n 37.055177106660814\n ],\n [\n -119.86083984375,\n 37.779398571318765\n ],\n [\n -121.48681640624999,\n 39.57182223734374\n ],\n [\n -122.29980468749999,\n 40.63896734381723\n ],\n [\n -122.78320312499999,\n 40.522150985623796\n ],\n [\n -122.882080078125,\n 40.019201307686785\n ],\n [\n -122.48657226562499,\n 39.54641191968671\n ],\n [\n -122.40966796874999,\n 39.00211029922515\n ],\n [\n -121.651611328125,\n 37.97018468810549\n ],\n [\n -121.11328124999999,\n 37.46613860234406\n ],\n [\n -120.88256835937499,\n 36.63316209558658\n ],\n [\n -119.674072265625,\n 35.44277092585766\n ],\n [\n -118.95996093749999,\n 35.02099970111467\n ],\n [\n -118.487548828125,\n 34.732584206123626\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"6","issue":"1","publishingServiceCenter":{"id":1,"text":"Sacramento PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"58d38d3be4b0236b68f98ee8","contributors":{"authors":[{"text":"Muzaffar, Sabir Bin","contributorId":189562,"corporation":false,"usgs":false,"family":"Muzaffar","given":"Sabir","email":"","middleInitial":"Bin","affiliations":[],"preferred":false,"id":685187,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hill, Nichola J.","contributorId":189563,"corporation":false,"usgs":false,"family":"Hill","given":"Nichola","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":685188,"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":685186,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"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":685189,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Smith, Lacy M. 0000-0001-6733-1080 lmsmith@usgs.gov","orcid":"https://orcid.org/0000-0001-6733-1080","contributorId":4772,"corporation":false,"usgs":true,"family":"Smith","given":"Lacy","email":"lmsmith@usgs.gov","middleInitial":"M.","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"preferred":true,"id":685192,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Boyce, Walter M.","contributorId":75671,"corporation":false,"usgs":true,"family":"Boyce","given":"Walter","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":685190,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ,{"id":70038076,"text":"70038076 - 2012 - Three pathogens in sympatric populations of pumas, bobcats, and domestic cats: Implications for infections disease transmission","interactions":[],"lastModifiedDate":"2017-07-24T12:12:57","indexId":"70038076","displayToPublicDate":"2012-05-01T00:00:00","publicationYear":"2012","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":"Three pathogens in sympatric populations of pumas, bobcats, and domestic cats: Implications for infections disease transmission","docAbstract":"Anthropogenic landscape change can lead to increased opportunities for pathogen transmission between domestic and non-domestic animals. Pumas, bobcats, and domestic cats are sympatric in many areas of North America and share many of the same pathogens, some of which are zoonotic. We analyzed bobcat, puma, and feral domestic cat samples collected from targeted geographic areas. We examined exposure to three pathogens that are taxonomically diverse (bacterial, protozoal, viral), that incorporate multiple transmission strategies (vector-borne, environmental exposure/ingestion, and direct contact), and that vary in species-specificity. Bartonella spp., Feline Immunodeficiency Virus (FIV), and Toxoplasma gondii IgG were detected in all three species with mean respective prevalence as follows: puma 16%, 41% and 75%; bobcat 31%, 22% and 43%; domestic cat 45%, 10% and 1%. Bartonella spp. were highly prevalent among domestic cats in Southern California compared to other cohort groups. Feline Immunodeficiency Virus exposure was primarily associated with species and age, and was not influenced by geographic location. Pumas were more likely to be infected with FIV than bobcats, with domestic cats having the lowest infection rate. Toxoplasma gondii seroprevalence was high in both pumas and bobcats across all sites; in contrast, few domestic cats were seropositive, despite the fact that feral, free ranging domestic cats were targeted in this study. Interestingly, a directly transmitted species-specific disease (FIV) was not associated with geographic location, while exposure to indirectly transmitted diseases – vector-borne for Bartonella spp. and ingestion of oocysts via infected prey or environmental exposure for T. gondii – varied significantly by site. Pathogens transmitted by direct contact may be more dependent upon individual behaviors and intra-specific encounters. Future studies will integrate host density, as well as landscape features, to better understand the mechanisms driving disease exposure and to predict zones of cross-species pathogen transmission among wild and domestic felids.
","language":"English","publisher":"Public Library of Science","publisherLocation":"San Francisco, CA","doi":"10.1371/journal.pone.0031403","usgsCitation":"Bevins, S.N., Carver, S., Boydston, E.E., Lyren, L.M., Alldredge, M., Logan, K.A., Riley, S.P., Fisher, R.N., Vickers, T., Boyce, W., Salman, M., Lappin, M.R., Crooks, K.R., and VandeWoude, S., 2012, Three pathogens in sympatric populations of pumas, bobcats, and domestic cats: Implications for infections disease transmission: PLoS ONE, v. 7, no. 2, e314033: 10 p., https://doi.org/10.1371/journal.pone.0031403.","productDescription":"e314033: 10 p.","costCenters":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"links":[{"id":474517,"rank":10000,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1371/journal.pone.0031403","text":"Publisher Index Page"},{"id":254645,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":254642,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1371/journal.pone.0031403","linkFileType":{"id":5,"text":"html"}}],"country":"United States","volume":"7","issue":"2","noUsgsAuthors":false,"publicationDate":"2012-02-08","publicationStatus":"PW","scienceBaseUri":"505bb314e4b08c986b325b7e","contributors":{"authors":[{"text":"Bevins, Sarah N.","contributorId":105571,"corporation":false,"usgs":true,"family":"Bevins","given":"Sarah","email":"","middleInitial":"N.","affiliations":[],"preferred":false,"id":463409,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Carver, Scott","contributorId":30857,"corporation":false,"usgs":true,"family":"Carver","given":"Scott","affiliations":[],"preferred":false,"id":463402,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Boydston, Erin E. 0000-0002-8452-835X eboydston@usgs.gov","orcid":"https://orcid.org/0000-0002-8452-835X","contributorId":1705,"corporation":false,"usgs":true,"family":"Boydston","given":"Erin","email":"eboydston@usgs.gov","middleInitial":"E.","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"preferred":true,"id":463397,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Lyren, Lisa M. llyren@usgs.gov","contributorId":2398,"corporation":false,"usgs":true,"family":"Lyren","given":"Lisa","email":"llyren@usgs.gov","middleInitial":"M.","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"preferred":true,"id":463398,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Alldredge, Mat","contributorId":10650,"corporation":false,"usgs":true,"family":"Alldredge","given":"Mat","affiliations":[],"preferred":false,"id":463400,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Logan, Kenneth A.","contributorId":10261,"corporation":false,"usgs":true,"family":"Logan","given":"Kenneth","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":463399,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Riley, Seth P.D.","contributorId":83246,"corporation":false,"usgs":true,"family":"Riley","given":"Seth","email":"","middleInitial":"P.D.","affiliations":[],"preferred":false,"id":463407,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Fisher, Robert N. 0000-0002-2956-3240 rfisher@usgs.gov","orcid":"https://orcid.org/0000-0002-2956-3240","contributorId":1529,"corporation":false,"usgs":true,"family":"Fisher","given":"Robert","email":"rfisher@usgs.gov","middleInitial":"N.","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"preferred":true,"id":463396,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Vickers, T. Winston","contributorId":52822,"corporation":false,"usgs":true,"family":"Vickers","given":"T. Winston","affiliations":[],"preferred":false,"id":463405,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Boyce, Walter","contributorId":62444,"corporation":false,"usgs":true,"family":"Boyce","given":"Walter","affiliations":[],"preferred":false,"id":463406,"contributorType":{"id":1,"text":"Authors"},"rank":10},{"text":"Salman, Mo","contributorId":30296,"corporation":false,"usgs":true,"family":"Salman","given":"Mo","affiliations":[],"preferred":false,"id":463401,"contributorType":{"id":1,"text":"Authors"},"rank":11},{"text":"Lappin, Michael R.","contributorId":93312,"corporation":false,"usgs":true,"family":"Lappin","given":"Michael","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":463408,"contributorType":{"id":1,"text":"Authors"},"rank":12},{"text":"Crooks, Kevin R.","contributorId":51137,"corporation":false,"usgs":false,"family":"Crooks","given":"Kevin","email":"","middleInitial":"R.","affiliations":[{"id":6621,"text":"Colorado State University","active":true,"usgs":false}],"preferred":false,"id":463404,"contributorType":{"id":1,"text":"Authors"},"rank":13},{"text":"VandeWoude, Sue","contributorId":44771,"corporation":false,"usgs":true,"family":"VandeWoude","given":"Sue","affiliations":[],"preferred":false,"id":463403,"contributorType":{"id":1,"text":"Authors"},"rank":14}]}} ,{"id":70187683,"text":"70187683 - 2012 - Effects of land cover and regional climate variations on long-term spatiotemporal changes in sagebrush ecosystems","interactions":[],"lastModifiedDate":"2017-12-27T15:13:02","indexId":"70187683","displayToPublicDate":"2012-05-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1722,"text":"GIScience and Remote Sensing","active":true,"publicationSubtype":{"id":10}},"title":"Effects of land cover and regional climate variations on long-term spatiotemporal changes in sagebrush ecosystems","docAbstract":"This research investigated the effects of climate and land cover change on variation in sagebrush ecosystems. We combined information of multi-year sagebrush distribution derived from multitemporal remote sensing imagery and climate data to study the variation patterns of sagebrush ecosystems under different potential disturbances. We found that less than 40% of sagebrush ecosystem changes involved abrupt changes directly caused by landscape transformations and over 60% of the variations involved gradual changes directly related to climatic perturbations. The primary increases in bare ground and declines in sagebrush vegetation abundance were significantly correlated with the 1996-2006 decreasing trend in annual precipitation.
","language":"English","publisher":"Taylor & Francis","usgsCitation":"Xian, G.Z., Homer, C.G., and Aldridge, C.L., 2012, Effects of land cover and regional climate variations on long-term spatiotemporal changes in sagebrush ecosystems: GIScience and Remote Sensing, v. 49, no. 3, p. 378-396.","productDescription":"19 p.","startPage":"378","endPage":"396","ipdsId":"IP-024808","costCenters":[{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true}],"links":[{"id":341239,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":341237,"type":{"id":15,"text":"Index Page"},"url":"https://www.tandfonline.com/doi/abs/10.2747/1548-1603.49.3.378"}],"volume":"49","issue":"3","publishingServiceCenter":{"id":4,"text":"Rolla PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5916c9b6e4b044b359e486a4","contributors":{"authors":[{"text":"Xian, George Z. 0000-0001-5674-2204 xian@usgs.gov","orcid":"https://orcid.org/0000-0001-5674-2204","contributorId":2263,"corporation":false,"usgs":true,"family":"Xian","given":"George","email":"xian@usgs.gov","middleInitial":"Z.","affiliations":[{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true}],"preferred":true,"id":695062,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Homer, Collin G. 0000-0003-4755-8135 homer@usgs.gov","orcid":"https://orcid.org/0000-0003-4755-8135","contributorId":2262,"corporation":false,"usgs":true,"family":"Homer","given":"Collin","email":"homer@usgs.gov","middleInitial":"G.","affiliations":[{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true},{"id":223,"text":"Earth Resources Observation and Science (EROS) Center (Geography)","active":false,"usgs":true}],"preferred":true,"id":695061,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Aldridge, Cameron L. 0000-0003-3926-6941 aldridgec@usgs.gov","orcid":"https://orcid.org/0000-0003-3926-6941","contributorId":191773,"corporation":false,"usgs":true,"family":"Aldridge","given":"Cameron","email":"aldridgec@usgs.gov","middleInitial":"L.","affiliations":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"preferred":false,"id":695060,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70038257,"text":"70038257 - 2012 - Infection by Haemoproteus parasites in four species of frigatebirds and the description of a new species of Haemoproteus (Haemosporida: Haemoproteidae)","interactions":[],"lastModifiedDate":"2022-11-02T16:42:32.839557","indexId":"70038257","displayToPublicDate":"2012-05-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2414,"text":"Journal of Parasitology","active":true,"publicationSubtype":{"id":10}},"displayTitle":"Infection by Haemoproteus parasites in four species of frigatebirds and the description of a new species of Haemoproteus (Haemosporida: Haemoproteidae).","title":"Infection by Haemoproteus parasites in four species of frigatebirds and the description of a new species of Haemoproteus (Haemosporida: Haemoproteidae)","docAbstract":"Among seabirds, the fregatids stand out with a high prevalence of blood parasites. Four of 5 species in this family have been found to be infected with Haemoproteus; however, complete species descriptions with molecular phylogeny are lacking. Seventy-five samples from 4 species of frigatebirds, i.e., Fregata andrewsi, Fregata minor, Fregata magnificens, and Fregata aquila, were screened for infections caused by species of Haemoproteus. Four different parasite haplotypes were found infecting frigatebirds based on the sequencing of a fragment of the cytochrome b gene. Two haplotypes belong to the subgenus Parahaemoproteus, and the other 2 correspond to haplotypes within the subgenus Haemoproteus. The more prevalent and cosmopolitan Parahaemoproteus haplotype (FregPHae1) was phylogenetically grouped with other Haemoproteus parasites infecting non-passerine birds, but it could not be detected from the single sample from F. aquila. The other Parahaemoproteus haplotype (FregPHae2) was not phylogenetically clustered with parasites infecting non-passerine birds, and it was sequenced from a single (1 each) F. andrewsi and F. minor. Blood smears from F. andrewsi infected only by FregPHae1 haplotype showed sufficient gametocytes to allow description of a new species, Haemoproteus valkiūnasi sp. nov. In contrast to Haemoproteus iwa, the only previously known blood parasite infecting frigatebirds and described from F. minor from Galapagos Islands, parasites from F. andrewsi (1) are shorter with no contact of gametocyte with host cell membrane, (2) have fewer pigment granules, and (3) have wider microgametocytes, with a smaller host nuclear displacement. In contrast, patent single infections corresponding to the cosmopolitan haplotype of the subgenus Haemoproteus (FregHae1) were also found in samples from 1 F. andrewsi, 1 F. minor, and 1 F. aquila. In all these cases, the number of microgametocytes was very low, resembling H. iwa, which lacks microgametocytes in the original description. Macrogametocytes of haplotype FregHae1 in F. andrewsi differ significantly from all the characteristics measured from H. valkiūnasi. In addition, it also differs from all characteristics of H. iwa despite being genetically identical in the analyzed fragment.
","language":"English","publisher":"American Society of Parasitologists","publisherLocation":"Lawrence, KS","doi":"10.1645/GE-2415.1","usgsCitation":"Merino, S., Hennicke, J., Martinez, J., Ludynia, K., Torres, R., Work, T.M., Stroud, S., Masello, J.F., and Quillfeldt, P., 2012, Infection by Haemoproteus parasites in four species of frigatebirds and the description of a new species of Haemoproteus (Haemosporida: Haemoproteidae): Journal of Parasitology, v. 98, no. 2, p. 388-397, https://doi.org/10.1645/GE-2415.1.","productDescription":"10 p.","startPage":"388","endPage":"397","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":456,"text":"National Wildlife Health Center","active":true,"usgs":true}],"links":[{"id":254643,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"otherGeospatial":"Ascension, Christmas, and Isabel Islands","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -105.89460684970008,\n 21.857003218284447\n ],\n [\n -105.89523165237598,\n 21.849609438431344\n ],\n [\n -105.89023323096814,\n 21.83830056451572\n ],\n [\n -105.87758097677904,\n 21.83728562182486\n ],\n [\n -105.87804957878643,\n 21.85439369261961\n ],\n [\n -105.89460684970008,\n 21.857003218284447\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n },\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n 105.43955038526366,\n -10.253862786172022\n ],\n [\n 105.43955038526366,\n -10.73433239145723\n ],\n [\n 105.82709589100648,\n -10.73433239145723\n ],\n [\n 105.82709589100648,\n -10.253862786172022\n ],\n [\n 105.43955038526366,\n -10.253862786172022\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n },\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -14.431023782676817,\n -7.889043221908665\n ],\n [\n -14.431023782676817,\n -7.9962860014659185\n ],\n [\n -14.291980418565998,\n -7.9962860014659185\n ],\n [\n -14.291980418565998,\n -7.889043221908665\n ],\n [\n -14.431023782676817,\n -7.889043221908665\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"98","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a3ac9e4b0c8380cd61f8c","contributors":{"authors":[{"text":"Merino, Santiago","contributorId":19414,"corporation":false,"usgs":true,"family":"Merino","given":"Santiago","email":"","affiliations":[],"preferred":false,"id":463748,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hennicke, Janos","contributorId":103509,"corporation":false,"usgs":true,"family":"Hennicke","given":"Janos","email":"","affiliations":[],"preferred":false,"id":463755,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Martinez, Javier","contributorId":40456,"corporation":false,"usgs":true,"family":"Martinez","given":"Javier","email":"","affiliations":[],"preferred":false,"id":463750,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Ludynia, Katrin","contributorId":42818,"corporation":false,"usgs":true,"family":"Ludynia","given":"Katrin","email":"","affiliations":[],"preferred":false,"id":463751,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Torres, Roxana","contributorId":35994,"corporation":false,"usgs":true,"family":"Torres","given":"Roxana","affiliations":[],"preferred":false,"id":463749,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Work, Thierry M. 0000-0002-4426-9090 thierry_work@usgs.gov","orcid":"https://orcid.org/0000-0002-4426-9090","contributorId":1187,"corporation":false,"usgs":true,"family":"Work","given":"Thierry","email":"thierry_work@usgs.gov","middleInitial":"M.","affiliations":[{"id":456,"text":"National Wildlife Health Center","active":true,"usgs":true}],"preferred":true,"id":463747,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Stroud, Stedson","contributorId":81351,"corporation":false,"usgs":true,"family":"Stroud","given":"Stedson","email":"","affiliations":[],"preferred":false,"id":463753,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Masello, Juan F.","contributorId":62866,"corporation":false,"usgs":true,"family":"Masello","given":"Juan","email":"","middleInitial":"F.","affiliations":[],"preferred":false,"id":463752,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Quillfeldt, Petra","contributorId":82567,"corporation":false,"usgs":true,"family":"Quillfeldt","given":"Petra","email":"","affiliations":[],"preferred":false,"id":463754,"contributorType":{"id":1,"text":"Authors"},"rank":9}]}} ,{"id":70157149,"text":"70157149 - 2012 - LiDAR and field observations of slip distribution for the most recent surface ruptures along the central San Jacinto fault","interactions":[],"lastModifiedDate":"2019-11-12T11:18:02","indexId":"70157149","displayToPublicDate":"2012-04-30T17:30:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1135,"text":"Bulletin of the Seismological Society of America","onlineIssn":"1943-3573","printIssn":"0037-1106","active":true,"publicationSubtype":{"id":10}},"title":"LiDAR and field observations of slip distribution for the most recent surface ruptures along the central San Jacinto fault","docAbstract":"We measured offsets on tectonically displaced geomorphic features along 80 km of the Clark strand of the San Jacinto fault (SJF) to estimate slip‐per‐event for the past several surface ruptures. We identify 168 offset features from which we make over 490 measurements using B4 light detection and ranging (LiDAR) imagery and field observations. Our results suggest that LiDAR technology is an exemplary supplement to traditional field methods in slip‐per‐event studies. Displacement estimates indicate that the most recent surface‐rupturing event (MRE) produced an average of 2.5–2.9 m of right‐lateral slip with maximum slip of nearly 4 m at Anza, a Mw 7.2–7.5 earthquake. Average multiple‐event offsets for the same 80 kms are ∼5.5 m, with maximum values of 3 m at Anza for the penultimate event. Cumulative displacements of 9–10 m through Anza suggest the third event was also similar in size. Paleoseismic work at Hog Lake dates the most recent surface rupture event at ca. 1790. A poorly located, large earthquake occurred in southern California on 22 November 1800; we relocate this event to the Clark fault based on the MRE at Hog Lake. We also recognize the occurrence of a younger rupture along ∼15–20 km of the fault in Blackburn Canyon with ∼1.25 m of average displacement. We attribute these offsets to the 21 April 1918 Mw 6.9 event. These data argue that much or all of the Clark fault, and possibly also the Casa Loma fault, fail together in large earthquakes, but that shorter sections may fail in smaller events.
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At a majority of the sites, discharge and stage were measured, and corresponding Manning's coefficients—the n-values—were determined at more than one river discharge. The n-values discussed in this report are computed from data representing the stream reach studied and, therefore, are reachwise values. Presentation of the resulting n-values takes a visual-comparison approach similar to the previously published Barnes report (1967), in which photographs of channel conditions, description of the site, and the resulting n-values are organized for each site. The Web site where the data can be accessed and are displayed is at URL http://il.water.usgs.gov/proj/nvalues/.","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ds668","collaboration":"In Cooperation with the Illinois Department of Natural Resources—Office of Water Resources","usgsCitation":"Soong, D., Prater, C.D., Halfar, T.M., and Wobig, L.A., 2012, Manning's roughness coefficient for Illinois streams: U.S. Geological Survey Data Series 668, iv, 14 p., https://doi.org/10.3133/ds668.","productDescription":"iv, 14 p.","onlineOnly":"Y","costCenters":[{"id":344,"text":"Illinois Water Science Center","active":true,"usgs":true}],"links":[{"id":254639,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/ds_668.gif"},{"id":254636,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/ds/668/","linkFileType":{"id":5,"text":"html"}}],"country":"United States","state":"Illinois","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a4ccfe4b0c8380cd69ee9","contributors":{"authors":[{"text":"Soong, David T.","contributorId":87487,"corporation":false,"usgs":true,"family":"Soong","given":"David T.","affiliations":[],"preferred":false,"id":463734,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Prater, Crystal D. 0000-0002-8767-5523","orcid":"https://orcid.org/0000-0002-8767-5523","contributorId":57699,"corporation":false,"usgs":true,"family":"Prater","given":"Crystal","email":"","middleInitial":"D.","affiliations":[],"preferred":true,"id":463733,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Halfar, Teresa M. thalfar@usgs.gov","contributorId":4738,"corporation":false,"usgs":true,"family":"Halfar","given":"Teresa","email":"thalfar@usgs.gov","middleInitial":"M.","affiliations":[],"preferred":true,"id":463731,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Wobig, Loren A.","contributorId":36398,"corporation":false,"usgs":true,"family":"Wobig","given":"Loren","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":463732,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ]}