{"pageNumber":"1693","pageRowStart":"42300","pageSize":"25","recordCount":184606,"records":[{"id":70173885,"text":"70173885 - 2012 - Collecting a sample of loggerhead sea turtle hatchlings before a natural emergence does not reduce nest productivity","interactions":[],"lastModifiedDate":"2016-06-21T15:28:22","indexId":"70173885","displayToPublicDate":"2012-01-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1497,"text":"Endangered Species Research","active":true,"publicationSubtype":{"id":10}},"title":"Collecting a sample of loggerhead sea turtle hatchlings before a natural emergence does not reduce nest productivity","docAbstract":"<p><span>&nbsp;In numerous studies involving hatchling sea turtles, researchers have collected small numbers of hatchlings from nests a few hours before the turtles would otherwise have emerged naturally. This procedure makes it possible to do experiments in which the behavioral or physiological responses of numerous hatchlings must be tested in a limited period of time, and also allows hatchlings to be released back into the sea in time to migrate offshore before dawn. In principle, however, the procedure might inadvertently reduce nest productivity (the number of hatchlings that successfully leave the nest), if digging into a nest prior to emergence somehow reduces the ability of the remaining turtles to emerge. We compared nest productivity in 67 experimental loggerhead nests, from which we removed 10 hatchlings before a natural emergence, to 95 control nests left undisturbed before a natural emergence. The 2 groups showed no statistical differences in productivity. We conclude that taking a few hatchlings from a loggerhead nest shortly before a natural emergence has no negative impact on hatchling production if sampling is done with care at locations where there are few nest predators, and at sites where an emergence can be predicted because nest deposition dates are known.</span></p>","language":"English","publisher":"Inter-Research","doi":"10.3354/esr00409","usgsCitation":"Salmon, M., Carthy, R.R., Lohmann, C.M., Lohmann, K.J., and Wyneken, J., 2012, Collecting a sample of loggerhead sea turtle hatchlings before a natural emergence does not reduce nest productivity: Endangered Species Research, v. 16, no. 3, p. 295-299, https://doi.org/10.3354/esr00409.","productDescription":"5 p.","startPage":"295","endPage":"299","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-034556","costCenters":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"links":[{"id":474712,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.3354/esr00409","text":"Publisher Index Page"},{"id":324158,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Florida","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -80.06423950195311,\n              26.434917225242593\n            ],\n            [\n              -80.09445190429688,\n              26.240461037483637\n            ],\n            [\n              -80.10543823242188,\n              26.168996529230178\n            ],\n            [\n              -80.08895874023438,\n              26.172694044887898\n            ],\n            [\n              -80.05462646484375,\n              26.432457797872374\n            ],\n            [\n              -80.06423950195311,\n              26.434917225242593\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"16","issue":"3","publishingServiceCenter":{"id":8,"text":"Raleigh PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"576a6533e4b07657d1a11d32","contributors":{"authors":[{"text":"Salmon, Michael","contributorId":172282,"corporation":false,"usgs":false,"family":"Salmon","given":"Michael","email":"","affiliations":[],"preferred":false,"id":640137,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Carthy, Raymond R. 0000-0001-8978-5083 rayc@usgs.gov","orcid":"https://orcid.org/0000-0001-8978-5083","contributorId":3685,"corporation":false,"usgs":true,"family":"Carthy","given":"Raymond","email":"rayc@usgs.gov","middleInitial":"R.","affiliations":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"preferred":true,"id":638889,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Lohmann, Catherine M. F.","contributorId":172283,"corporation":false,"usgs":false,"family":"Lohmann","given":"Catherine","email":"","middleInitial":"M. F.","affiliations":[],"preferred":false,"id":640138,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Lohmann, Kenneth J.","contributorId":172284,"corporation":false,"usgs":false,"family":"Lohmann","given":"Kenneth","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":640139,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Wyneken, Jeanette","contributorId":172285,"corporation":false,"usgs":false,"family":"Wyneken","given":"Jeanette","email":"","affiliations":[],"preferred":false,"id":640140,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70192542,"text":"70192542 - 2012 - The leatherbacks of Grande Riviere Trinidad and Tobago","interactions":[],"lastModifiedDate":"2017-11-28T11:50:40","indexId":"70192542","displayToPublicDate":"2012-01-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":5569,"text":"Florida Environmental Outreach","active":true,"publicationSubtype":{"id":10}},"title":"The leatherbacks of Grande Riviere Trinidad and Tobago","docAbstract":"<p>No abstract available.</p>","language":"English","publisher":"Florida Environmental Outreach","usgsCitation":"Carthy, R.R., 2012, The leatherbacks of Grande Riviere Trinidad and Tobago: Florida Environmental Outreach, v. 3, p. 1, 10-13.","productDescription":"5 p.","startPage":"1, 10","endPage":"13","ipdsId":"IP-034506","costCenters":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"links":[{"id":349439,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"3","publishingServiceCenter":{"id":8,"text":"Raleigh PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5a6105a0e4b06e28e9c25581","contributors":{"authors":[{"text":"Carthy, Raymond R. 0000-0001-8978-5083 rayc@usgs.gov","orcid":"https://orcid.org/0000-0001-8978-5083","contributorId":3685,"corporation":false,"usgs":true,"family":"Carthy","given":"Raymond","email":"rayc@usgs.gov","middleInitial":"R.","affiliations":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"preferred":true,"id":716157,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70193289,"text":"70193289 - 2012 - Bird productivity and nest predation in agricultural grasslands","interactions":[],"lastModifiedDate":"2017-11-15T14:02:42","indexId":"70193289","displayToPublicDate":"2012-01-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3489,"text":"Studies in Avian Biology","active":true,"publicationSubtype":{"id":10}},"title":"Bird productivity and nest predation in agricultural grasslands","docAbstract":"<p>Effective conservation strategies for grassland birds in agricultural landscapes require understanding how nesting success varies among different grassland habitats. A key component to this is identifying nest predators and how these predators vary by habitat. We quantified nesting activity of obligate grassland birds in three habitats [remnant prairie, cool-season grass Conservation Reserve Program (CRP) fields, and pastures) in southwest Wisconsin, 2002-2004. We determined nest predators using video cameras and examined predator activity using track stations. Bobolink (<i>Dolichonyx oryzivorus</i>) and Henslow's Sparrow (<i>Ammodramus henslowii</i>) nested primarily in CRP fields, and Grasshopper Sparrow (A. savannarum) in remnant prairies. Eastern Meadowlark (<i>Sturnella magna</i>) nested evenly across all three habitats. Daily nest survival rate for Eastern Meadowlark varied by nesting stage alone. Daily nest survival rate for Grasshopper Sparrow varied by nest vegetation and distance to the nearest woody edge; nest survival was higher near woody edges. In CRP fields, most predators were grassland-associated, primarily thirteen-lined ground squirrels (<i>Ictidomys tridecemlineatus</i>). In pastures, one-third of the nest predators were grassland-associated (primarily thirteen-lined ground squirrels) and 56% were associated with woody habitats (primarily raccoons, Procyon lotor). Raccoon activity was greatest around pastures and lowest around prairies; regardless of habitat, raccoon activity along woody edges was twice that along non-woody edges. Thirteen-lined ground squirrel activity was greater along prairie edges than pastures and was greater along nonwoody edges compared to woody edges. In CRP fields, raccoon activity was greater along edges compared to the interiors; for ground squirrels these relationships were reversed. Using video camera technology to identify nest predators was indispensable in furthering our understanding of the grassland system. The challenge is to use that knowledge to develop management actions for both birds and predators.</p>","language":"English","publisher":"Video surveillance of nesting birds, Studies in Avian Biology Vol. 43","usgsCitation":"Ribic, C., Guzy, M.J., Anderson, T.J., Sample, D.W., and Nack, J.L., 2012, Bird productivity and nest predation in agricultural grasslands: Studies in Avian Biology, v. 43, p. 119-134.","productDescription":"16 p.","startPage":"119","endPage":"134","ipdsId":"IP-015091","costCenters":[{"id":199,"text":"Coop Res Unit Leetown","active":true,"usgs":true}],"links":[{"id":348901,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"43","publishingServiceCenter":{"id":9,"text":"Reston PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5a6105a0e4b06e28e9c25579","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":718560,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Guzy, Michael J.","contributorId":34689,"corporation":false,"usgs":true,"family":"Guzy","given":"Michael","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":722245,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Anderson, Travis J.","contributorId":200417,"corporation":false,"usgs":false,"family":"Anderson","given":"Travis","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":722246,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Sample, David W.","contributorId":19484,"corporation":false,"usgs":true,"family":"Sample","given":"David","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":722247,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Nack, Jamie L.","contributorId":42418,"corporation":false,"usgs":true,"family":"Nack","given":"Jamie","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":722248,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70194384,"text":"70194384 - 2012 - Genetic and environmental influences on cold hardiness of native and introduced riparian trees","interactions":[],"lastModifiedDate":"2017-11-27T14:17:58","indexId":"70194384","displayToPublicDate":"2012-01-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Genetic and environmental influences on cold hardiness of native and introduced riparian trees","docAbstract":"<p>To explore latitudinal genetic variation in cold hardiness and leaf phenology, we planted a common garden of paired collections of native and introduced riparian trees sampled along a latitudinal gradient. The garden in Fort Collins, Colorado (latitude 40.6°N), included 681 native plains cottonwood (Populus deltoides subsp. monilifera) and introduced saltcedar (Tamarix ramosissima, T. chinensis, and hybrids) collected from 15 sites from 29.2 to 47.6°N in the central United States. In the common garden, both species showed latitudinal variation in fall, but not spring, leaf phenology. This suggests that latitudinal gradient field observations in fall phenology are a result, at least in part, of the inherited variation in the critical photoperiod. Conversely, the latitudinal gradient field observations in spring phenology are largely a plastic response to the temperature gradient. Populations from higher latitudes exhibited earlier bud set and leaf senescence. Cold hardiness varied latitudinally in both fall and spring for both species. Although cottonwood was hardier than saltcedar in midwinter, the reverse was true in late fall and early spring. The latitudinal variation in fall phenology and cold hardiness of saltcedar appears to have developed as a result of multiple introductions of genetically distinct populations, hybridization, and natural selection in the 150 years since introduction.</p>","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"National Proceedings: Forest and Conservation Nursery Associations – 2011","largerWorkSubtype":{"id":12,"text":"Conference publication"},"language":"English","publisher":"USDA Forest Service, Rocky Mountain Research Station","usgsCitation":"Friedman, J.M., Roelle, J.E., and Cade, B.S., 2012, Genetic and environmental influences on cold hardiness of native and introduced riparian trees, <i>in</i> National Proceedings: Forest and Conservation Nursery Associations – 2011, p. 82-86.","productDescription":"5 p.","startPage":"82","endPage":"86","ipdsId":"IP-015052","costCenters":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"links":[{"id":349377,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":349376,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://www.fs.fed.us/rm/pubs/rmrs_p068.pdf"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5a6105a0e4b06e28e9c25571","contributors":{"authors":[{"text":"Friedman, Jonathan M. 0000-0002-1329-0663 friedmanj@usgs.gov","orcid":"https://orcid.org/0000-0002-1329-0663","contributorId":2473,"corporation":false,"usgs":true,"family":"Friedman","given":"Jonathan","email":"friedmanj@usgs.gov","middleInitial":"M.","affiliations":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"preferred":true,"id":723642,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Roelle, James E. roelleb@usgs.gov","contributorId":2330,"corporation":false,"usgs":true,"family":"Roelle","given":"James","email":"roelleb@usgs.gov","middleInitial":"E.","affiliations":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"preferred":true,"id":723643,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Cade, Brian S. 0000-0001-9623-9849 cadeb@usgs.gov","orcid":"https://orcid.org/0000-0001-9623-9849","contributorId":1278,"corporation":false,"usgs":true,"family":"Cade","given":"Brian","email":"cadeb@usgs.gov","middleInitial":"S.","affiliations":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"preferred":true,"id":723644,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70186908,"text":"70186908 - 2012 - Geomorphic determinants of species composition of alpine tundra, Glacier National Park, U.S.A.","interactions":[],"lastModifiedDate":"2022-11-02T14:13:25.975559","indexId":"70186908","displayToPublicDate":"2012-01-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":899,"text":"Arctic, Antarctic, and Alpine Research","active":true,"publicationSubtype":{"id":10}},"title":"Geomorphic determinants of species composition of alpine tundra, Glacier National Park, U.S.A.","docAbstract":"<p><span>Because the distribution of alpine tundra is associated with spatially limited cold climates, global warming may threaten its local extent or existence. This notion has been challenged, however, based on observations of the diversity of alpine tundra in small areas primarily due to topographic variation. The importance of diversity in temperature or moisture conditions caused by topographic variation is an open question, and we extend this to geomorphology more generally. The extent to which geomorphic variation </span><i>per se</i><span>, based on relatively easily assessed indicators, can account for the variation in alpine tundra community composition is analyzed versus the inclusion of broad indicators of regional climate variation. Visual assessments of topography are quantified and reduced using principal components analysis (PCA). Observations of species cover are reduced using detrended correspondence analysis (DCA). A “best subsets” regression approach using the Akaike Information Criterion for selection of variables is compared to a simple stepwise regression with DCA scores as the dependent variable and scores on significant PCA axes plus more direct measures of topography as independent variables. Models with geographic coordinates (representing regional climate gradients) excluded explain almost as much variation in community composition as models with them included, although they are important contributors to the latter. The geomorphic variables in the model are those associated with local moisture differences such as snowbeds. The potential local variability of alpine tundra can be a buffer against climate change, but change in precipitation may be as important as change in temperature.</span></p>","language":"English","publisher":"Institute of Arctic, Antarctic, and Alpine Research","publisherLocation":"Boulder, CO","doi":"10.1657/1938-4246-44.2.197","usgsCitation":"George P. Malanson, Bengtson, L.E., and Fagre, D.B., 2012, Geomorphic determinants of species composition of alpine tundra, Glacier National Park, U.S.A.: Arctic, Antarctic, and Alpine Research, v. 44, no. 2, p. 197-209, https://doi.org/10.1657/1938-4246-44.2.197.","productDescription":"9 p.","startPage":"197","endPage":"209","ipdsId":"IP-033599","costCenters":[{"id":481,"text":"Northern Rocky Mountain Science Center","active":true,"usgs":true}],"links":[{"id":474643,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1657/1938-4246-44.2.197","text":"Publisher Index Page"},{"id":339710,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Montana","otherGeospatial":"Glacier National Park","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": 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,{"id":70157577,"text":"70157577 - 2012 - Panarchy","interactions":[],"lastModifiedDate":"2015-09-28T16:13:29","indexId":"70157577","displayToPublicDate":"2012-01-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"title":"Panarchy","docAbstract":"<p><span>Panarchy is the term coined to describe hierarchical systems where control is not only top down, as typically considered, but also bottom up. A panarchy is composed of adaptive cycles, and an adaptive cycle describes the processes of development and decay in a system. Complex systems self-organize into hierarchies because this structure limits the possible spread of destructive phenomena (e.g., forest fires, epidemics) that could result in catastrophic system failure. Thus, hierarchical organization enhances the resilience of complex systems.</span></p>","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Encyclopedia of environmetrics","language":"English","publisher":"John Wiley & Sons, Ltd","publisherLocation":"Chichester, U.K","doi":"10.1002/9780470057339.vnn160","usgsCitation":"Garmestani, A.S., and Allen, C.R., 2012, Panarchy, chap. <i>of</i> Encyclopedia of environmetrics, v. 4, https://doi.org/10.1002/9780470057339.vnn160.","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":200,"text":"Coop Res Unit Seattle","active":true,"usgs":true}],"links":[{"id":308678,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"4","edition":"2nd","noUsgsAuthors":false,"publicationDate":"2013-01-15","publicationStatus":"PW","scienceBaseUri":"560a64dae4b058f706e536e0","contributors":{"editors":[{"text":"El-Shaarawi, Abdel H.","contributorId":114059,"corporation":false,"usgs":true,"family":"El-Shaarawi","given":"Abdel","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":573697,"contributorType":{"id":2,"text":"Editors"},"rank":1},{"text":"Piegorsch, Walter W.","contributorId":112670,"corporation":false,"usgs":true,"family":"Piegorsch","given":"Walter","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":573698,"contributorType":{"id":2,"text":"Editors"},"rank":2}],"authors":[{"text":"Garmestani, Ahjond S.","contributorId":77285,"corporation":false,"usgs":true,"family":"Garmestani","given":"Ahjond","email":"","middleInitial":"S.","affiliations":[],"preferred":false,"id":573695,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Allen, Craig R. 0000-0001-8655-8272 allencr@usgs.gov","orcid":"https://orcid.org/0000-0001-8655-8272","contributorId":1979,"corporation":false,"usgs":true,"family":"Allen","given":"Craig","email":"allencr@usgs.gov","middleInitial":"R.","affiliations":[{"id":200,"text":"Coop Res Unit Seattle","active":true,"usgs":true},{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"preferred":true,"id":573696,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70157182,"text":"70157182 - 2012 - The Glen Canyon Dam adaptive management program: Progress and immediate challenges","interactions":[],"lastModifiedDate":"2021-10-29T16:39:38.630228","indexId":"70157182","displayToPublicDate":"2012-01-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"title":"The Glen Canyon Dam adaptive management program: Progress and immediate challenges","docAbstract":"<p><span>Adaptive management emerged as an important resource management strategy for major river systems in the United States (US) in the early 1990s. The Glen Canyon Dam Adaptive Management Program (&lsquo;the Program&rsquo;) was formally established in 1997 to fulfill a statutory requirement in the 1992 Grand Canyon Protection Act (GCPA). The GCPA aimed to improve natural resource conditions in the Colorado River corridor in the Glen Canyon National Recreation Area and Grand Canyon National Park, Arizona that were affected by the Glen Canyon dam. The Program achieves this by using science and a variety of stakeholder perspectives to inform decisions about dam operations. Since the Program started the ecosystem is now much better understood and several biological and physical improvements have been achieved. These improvements include: (i) an estimated 50% increase in the adult population of endangered humpback chub (Gila cypha) between 2001 and 2008, following previous decline; (ii) a 90% decrease in non-native rainbow trout (Oncorhynchus mykiss), which are known to compete with and prey on native fish, as a result of removal experiments; and (iii) the widespread reappearance of sandbars in response to an experimental high-flow release of dam water in March 2008.Although substantial progress has been made, the Program faces several immediate challenges. These include: (i) defining specific, measurable objectives and desired future conditions for important natural, cultural and recreational attributes to inform science and management decisions; (ii) implementing structural and operational changes to improve collaboration among stakeholders; (iii) establishing a long-term experimental programme and management plan; and (iv) securing long-term funding for monitoring programmes to assess ecosystem and other responses to management actions. Addressing these challenges and building on recent progress will require strong and consistent leadership from the US Department of the Interior officials who guide the Program.</span></p>","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"River conservation and management","largerWorkSubtype":{"id":15,"text":"Monograph"},"language":"English","publisher":"John Wiley & Sons, Ltd","publisherLocation":"Chester, UK","doi":"10.1002/9781119961819.ch26","usgsCitation":"Hamill, J.F., and Melis, T., 2012, The Glen Canyon Dam adaptive management program: Progress and immediate challenges, chap. <i>of</i> River conservation and management, p. 325-338, https://doi.org/10.1002/9781119961819.ch26.","productDescription":"19 p.","startPage":"325","endPage":"338","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-023715","costCenters":[{"id":568,"text":"Southwest Biological Science Center","active":true,"usgs":true}],"links":[{"id":308085,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Arizona","otherGeospatial":"Glen Canyon Dam","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -111.49449348449707,\n              36.924988609754976\n            ],\n            [\n              -111.47174835205078,\n              36.924988609754976\n            ],\n            [\n              -111.47174835205078,\n              36.94268922503273\n            ],\n            [\n              -111.49449348449707,\n              36.94268922503273\n            ],\n            [\n              -111.49449348449707,\n              36.924988609754976\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationDate":"2012-02-17","publicationStatus":"PW","scienceBaseUri":"560bb707e4b058f706e53eec","contributors":{"editors":[{"text":"Boon, Philip J.","contributorId":147624,"corporation":false,"usgs":false,"family":"Boon","given":"Philip","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":572179,"contributorType":{"id":2,"text":"Editors"},"rank":1},{"text":"Raven, Paul J.","contributorId":147625,"corporation":false,"usgs":false,"family":"Raven","given":"Paul","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":572180,"contributorType":{"id":2,"text":"Editors"},"rank":2}],"authors":[{"text":"Hamill, John F.","contributorId":43061,"corporation":false,"usgs":true,"family":"Hamill","given":"John","email":"","middleInitial":"F.","affiliations":[],"preferred":false,"id":572177,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Melis, Theodore S. 0000-0003-0473-3968 tmelis@usgs.gov","orcid":"https://orcid.org/0000-0003-0473-3968","contributorId":1829,"corporation":false,"usgs":true,"family":"Melis","given":"Theodore S.","email":"tmelis@usgs.gov","affiliations":[{"id":568,"text":"Southwest Biological Science Center","active":true,"usgs":true}],"preferred":true,"id":572178,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70142796,"text":"70142796 - 2012 - Great lakes prey fish populations: a cross-basin overview of status and trends based on bottom trawl surveys, 1978-2012","interactions":[],"lastModifiedDate":"2018-03-23T14:41:05","indexId":"70142796","displayToPublicDate":"2012-01-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":4,"text":"Other Government Series"},"title":"Great lakes prey fish populations: a cross-basin overview of status and trends based on bottom trawl surveys, 1978-2012","docAbstract":"<p><span>The assessment of prey fish stocks in the Great Lakes have been conducted annually with bottom trawls since the 1970s by the Great Lakes Science Center, sometimes assisted by partner agencies. These stock assessments provide data on the status and trends of prey fish that are consumed by important commercial and recreational fishes. Although all these annual surveys are conducted using bottom trawls, they differ among the lakes in the proportion of the lake covered, seasonal timing, bottom trawl gear used, and the manner in which the trawl is towed (across or along bottom contours). Because each assessment is unique in one or more important aspects, direct comparison of prey fish catches among lakes is not straightforward. However, all of the assessments produce indices of abundance or biomass that can be standardized to facilitate comparisons of status and trends across all the Great Lakes. In this report, population indices were standardized to the highest value for a time series within each lake for the following principal prey species: cisco (</span><i>Coregonus artedi</i><span>), bloater (</span><i>C. hoyi</i><span>), rainbow smelt (</span><i>Osmerus mordax</i><span>), and alewife (</span><i>Alosa pseudoharengus</i><span>). Indices were also provided for round goby (</span><i>Neogobius melanostomus</i><span>), an invasive fish that has proliferated throughout the basin over the past 18 years. These standardized indices represent the best available long-term indices of relative abundance for these fishes across all of the Great Lakes. In this report, standardized indices are presented in graphical form along with synopses to provide a short, informal cross-basin summary of the status and trends of principal prey fishes. In keeping with this intent, tables, references, and a detailed discussion were omitted.</span></p>","language":"English","publisher":"U.S. Geological Survey - Great Lakes Science Center","usgsCitation":"Gorman, O.T., 2012, Great lakes prey fish populations: a cross-basin overview of status and trends based on bottom trawl surveys, 1978-2012, 9 p.","productDescription":"9 p.","startPage":"1","endPage":"9","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-044799","costCenters":[{"id":324,"text":"Great Lakes Science Center","active":true,"usgs":true}],"links":[{"id":312030,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":312029,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://www.glsc.usgs.gov/products/reports/624961862"}],"country":"Canada, United States","otherGeospatial":"Great Lakes","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      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,{"id":70157307,"text":"70157307 - 2012 - Role of remote sensing for land-use and land-cover change modeling","interactions":[],"lastModifiedDate":"2024-06-20T14:48:38.865562","indexId":"70157307","displayToPublicDate":"2012-01-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"chapter":"15","title":"Role of remote sensing for land-use and land-cover change modeling","docAbstract":"<p>No abstract available.</p>","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Remote sensing of land use and land cover: Principles and applications","largerWorkSubtype":{"id":15,"text":"Monograph"},"language":"English","publisher":"CRC Press","publisherLocation":"Boca Raton, FL","doi":"10.1201/b11964-18","usgsCitation":"Sohl, T., and Sleeter, B., 2012, Role of remote sensing for land-use and land-cover change modeling, chap. 15 <i>of</i> Remote sensing of land use and land cover: Principles and applications, p. 225-239, https://doi.org/10.1201/b11964-18.","productDescription":"15 p.","startPage":"225","endPage":"239","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true}],"links":[{"id":308268,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"55fbe445e4b05d6c4e5028f7","contributors":{"editors":[{"text":"Giri, Chandra P.","contributorId":57379,"corporation":false,"usgs":true,"family":"Giri","given":"Chandra","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":572655,"contributorType":{"id":2,"text":"Editors"},"rank":1}],"authors":[{"text":"Sohl, Terry 0000-0002-9771-4231","orcid":"https://orcid.org/0000-0002-9771-4231","contributorId":81861,"corporation":false,"usgs":true,"family":"Sohl","given":"Terry","affiliations":[{"id":223,"text":"Earth Resources Observation and Science (EROS) Center (Geography)","active":false,"usgs":true}],"preferred":false,"id":572653,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Sleeter, Benjamin","contributorId":48927,"corporation":false,"usgs":true,"family":"Sleeter","given":"Benjamin","affiliations":[],"preferred":false,"id":572654,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70157303,"text":"70157303 - 2012 - Response of salt marsh and mangrove wetlands to changes in atmospheric CO2, climate, and sea-level","interactions":[],"lastModifiedDate":"2015-09-17T17:47:19","indexId":"70157303","displayToPublicDate":"2012-01-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"title":"Response of salt marsh and mangrove wetlands to changes in atmospheric CO2, climate, and sea-level","docAbstract":"<p><span>Coastal salt marsh and mangrove ecosystems are particularly vulnerable to changes in atmospheric CO2 concentrations and associated climate and climate-induced changes. We provide a review of the literature detailing theoretical predictions and observed responses of coastal wetlands to a range of climate change stressors, including CO2, temperature, rainfall, and sea-level rise. This review incorporates a discussion of key processes controlling responses in different settings and thresholds of resilience derived from experimental and observational studies. We specifically consider the potential and observed effects on salt marsh and mangrove vegetation of changes in (1) elevated [CO2] on physiology, growth, and distribution; (2) temperature on distribution and diversity; (3) rainfall and salinity regimes on growth and competitive interactions; and (4) sea level on geomorphological, hydrological, and biological processes.</span></p>","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Global change and the function and distribution of wetlands","language":"English","publisher":"Springer","publisherLocation":"Dordrecht; New York","doi":"10.1007/978-94-007-4494-3_2","usgsCitation":"McKee, K.L., Rogers, K., and Saintilan, N., 2012, Response of salt marsh and mangrove wetlands to changes in atmospheric CO2, climate, and sea-level, chap. <i>of</i> Global change and the function and distribution of wetlands, v. 1, p. 63-96, https://doi.org/10.1007/978-94-007-4494-3_2.","productDescription":"34 p.","startPage":"63","endPage":"96","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":455,"text":"National Wetlands Research Center","active":true,"usgs":true}],"links":[{"id":308265,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"1","noUsgsAuthors":false,"publicationDate":"2012-06-04","publicationStatus":"PW","scienceBaseUri":"55fbe444e4b05d6c4e5028f4","contributors":{"editors":[{"text":"Middleton, Beth A. 0000-0002-1220-2326 middletonb@usgs.gov","orcid":"https://orcid.org/0000-0002-1220-2326","contributorId":2029,"corporation":false,"usgs":true,"family":"Middleton","given":"Beth","email":"middletonb@usgs.gov","middleInitial":"A.","affiliations":[{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true}],"preferred":true,"id":572641,"contributorType":{"id":2,"text":"Editors"},"rank":1}],"authors":[{"text":"McKee, Karen L. 0000-0001-7042-670X mckeek@usgs.gov","orcid":"https://orcid.org/0000-0001-7042-670X","contributorId":704,"corporation":false,"usgs":true,"family":"McKee","given":"Karen","email":"mckeek@usgs.gov","middleInitial":"L.","affiliations":[{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true},{"id":455,"text":"National Wetlands Research Center","active":true,"usgs":true}],"preferred":true,"id":572638,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Rogers, Kerrylee","contributorId":64151,"corporation":false,"usgs":false,"family":"Rogers","given":"Kerrylee","email":"","affiliations":[{"id":16754,"text":"University of Wollongong, Australia","active":true,"usgs":false}],"preferred":false,"id":572639,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Saintilan, Neil","contributorId":31670,"corporation":false,"usgs":true,"family":"Saintilan","given":"Neil","email":"","affiliations":[],"preferred":false,"id":572640,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70185340,"text":"70185340 - 2012 - Factors associated with the severity of interacting fires in Yosemite National Park","interactions":[],"lastModifiedDate":"2017-03-21T13:02:01","indexId":"70185340","displayToPublicDate":"2012-01-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1636,"text":"Fire Ecology","active":true,"publicationSubtype":{"id":10}},"title":"Factors associated with the severity of interacting fires in Yosemite National Park","docAbstract":"In 1972, Yosemite National Park established a wilderness fire zone in which lightning fires were allowed to run their courses under prescribed conditions.  This zone was expanded in 1973 to include the 16 209 ha Illilouette Creek basin, just to the southeast of Yosemite Valley.  From 1973 through 2011, there have been 157 fires in the basin.  Fire severity data were collected on all 28 of those fires that were larger than 40 ha.  The proportion burned in each fire severity class was not significantly associated with fire return interval departure class.  When areas were reburned, the proportion of unchanged severity fire decreased while the proportion of high severity fire increased.  The proportion of fire severity of the subsequent fires was associated with the number of years since last burned, the burning index, and the severity of the previous fires.  The main effects were significant for unchanged severity and low severity, and the interaction between return interval class and burning index class was significant for high severity.  Most vegetation types remained the same when burned with unchanged, low, or moderate severity, while high severity often resulted in conversion to montane chaparral.  The factors that were associated with reburn severity worked in combination with each factor influencing some aspect of severity. Managers and scientists can use this information to better understand the role fire plays in these ecosystems and how to best manage this dynamic ecological process.","language":"English","publisher":"Association for Fire Ecology","doi":"10.4996/fireecology.0801011","collaboration":"NPS","usgsCitation":"van Wagtendonk, J., van Wagtendonk, K.A., and Thode, A.E., 2012, Factors associated with the severity of interacting fires in Yosemite National Park: Fire Ecology, v. 8, no. 1, p. 11-31, https://doi.org/10.4996/fireecology.0801011.","productDescription":"21 p. ","startPage":"11","endPage":"31","ipdsId":"IP-031682","costCenters":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"links":[{"id":474670,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.4996/fireecology.0801011","text":"Publisher Index Page"},{"id":337939,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":337884,"type":{"id":15,"text":"Index Page"},"url":"https://fireecologyjournal.org/docs/Journal/pdf/Volume08/Issue01/011.pdf"}],"country":"United States","state":"California","otherGeospatial":"Illilouette Creek ","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -119.5580291748047,\n              37.72592253917786\n            ],\n            [\n              -119.5806884765625,\n              37.71967662525055\n            ],\n            [\n              -119.59030151367188,\n              37.70202228211617\n            ],\n            [\n              -119.58961486816408,\n              37.66507035959997\n            ],\n            [\n              -119.58240509033203,\n              37.586486421515175\n            ],\n            [\n              -119.4873046875,\n              37.58485404085001\n            ],\n            [\n              -119.43134307861328,\n              37.628643846637885\n            ],\n            [\n              -119.44061279296875,\n              37.664798586116596\n            ],\n            [\n              -119.46739196777344,\n              37.70120736474139\n            ],\n            [\n              -119.47185516357423,\n              37.71696084622755\n            ],\n            [\n              -119.55493927001953,\n              37.72592253917786\n            ],\n            [\n              -119.5580291748047,\n              37.72592253917786\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"8","issue":"1","publishingServiceCenter":{"id":1,"text":"Sacramento PSC"},"noUsgsAuthors":false,"publicationDate":"2012-04-01","publicationStatus":"PW","scienceBaseUri":"58d23b91e4b0236b68f828f2","contributors":{"authors":[{"text":"van Wagtendonk, Jan W.","contributorId":189573,"corporation":false,"usgs":false,"family":"van Wagtendonk","given":"Jan W.","affiliations":[],"preferred":false,"id":685231,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"van Wagtendonk, Kent A.","contributorId":175027,"corporation":false,"usgs":false,"family":"van Wagtendonk","given":"Kent","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":685232,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Thode, Andrea E.","contributorId":189574,"corporation":false,"usgs":false,"family":"Thode","given":"Andrea","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":685233,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70157987,"text":"70157987 - 2012 - Digital elevation models","interactions":[],"lastModifiedDate":"2017-04-25T16:28:39","indexId":"70157987","displayToPublicDate":"2012-01-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"title":"Digital elevation models","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Manual of airborne topographic lidar","language":"English","publisher":"American Society for Photogrammetry Remote Sensing","usgsCitation":"Heidemann, K., 2012, Digital elevation models, chap. <i>of</i> Manual of airborne topographic lidar, p. 283-310.","productDescription":"28 p.","startPage":"283","endPage":"310","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-037864","costCenters":[{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true}],"links":[{"id":308959,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"560bb67de4b058f706e53bbf","contributors":{"editors":[{"text":"Renslow, Michael S.","contributorId":147278,"corporation":false,"usgs":false,"family":"Renslow","given":"Michael","email":"","middleInitial":"S.","affiliations":[],"preferred":false,"id":574633,"contributorType":{"id":2,"text":"Editors"},"rank":1}],"authors":[{"text":"Heidemann, Karl 0000-0003-4306-359X","orcid":"https://orcid.org/0000-0003-4306-359X","contributorId":148351,"corporation":false,"usgs":false,"family":"Heidemann","given":"Karl","affiliations":[],"preferred":false,"id":574632,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70157177,"text":"70157177 - 2012 - The role of efflorescent sulfate salts in Indiana’s mine water quality","interactions":[],"lastModifiedDate":"2015-11-05T13:36:11","indexId":"70157177","displayToPublicDate":"2012-01-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"title":"The role of efflorescent sulfate salts in Indiana’s mine water quality","docAbstract":"<p>Efflorescent sulfate salts (ESS), which form from evaporating acid mine drainage and occur in a wide variety of environments, can significantly alter water quality and are, therefore, important considerations for remediation strategies at coal refuse sites. Many ESS, including melanterite, rozenite, siderotil, copiapite, halotrichite, coquimbite, epsomite, potash alum, and gypsum, are known to occur in Indiana. Because they build up on the gob-pile surface during dry periods and release acidity and metals in storm flushes, it is essential to understand the mineralogical and geochemical parameters that control ESS formation and dissolution in mine settings. The Friar Tuck site, in southwestern Indiana, is an ideal location for demonstrating the role of ESS in the generation of acid mine drainage and is included as a case study in this report. Examination of two gob piles at the site (northwest and southeast), in the same setting but with different mineralogies and depositional and reclamation histories, provides a unique opportunity to consider the transferability of lessons learned about the ESS between different sites.</p>\n<p>Hydraulic and chemical data, including data on aqueous and solid states (coal refuse and ESS), were collected from streams (adjacent to the gob piles and further downstream), seeps, surface runoff, and saturated and unsaturated groundwater at the northwest and southeast gob piles during 1988&ndash;89 and 1990&ndash;92, respectively. Samples were analyzed in the field for bulk indicators and in a laboratory (Indiana Geological Survey, Geochemistry Section) for concentrations of major and trace elements.</p>\n<p>Values of pH and specific conductance at the southeast gob pile indicated a trend of declining water quality with duration of the dry season, followed by dilution and improved water quality during the wet season; similar observations were made at the northwest gob pile. Concentrations of key water-quality indicators for the northwest and southeast gob piles show that acidity and concentrations of sulfate and iron are notably lower in the surface runoff and groundwater in saturated and unsaturated refuse at the southeast gob pile compared to the northwest gob pile. The dissolution of ESS is likely the cause for the decrease in water quality at both gob piles, but it has a greater effect at the northwest gob pile.</p>\n<p>The results of this study indicate that some generalizations about the effect of ESS on water quality (for example, the conditions that favor the precipitation of specific ESS; the development of acidic, metal-rich drainage; and so on) can be transferred from one coal-waste site to another. However, the specific geochemistry of the gob pile, the age and history of refuse, the source rock, and the coal-processing and reclamation activities at the specific site will determine the extent to which the processes described in this and other papers can be applied to unstudied gob piles.</p>\n<p>&nbsp;</p>","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Effects of abandoned mine land reclamation on ground and surface water quality: Research and case histories from Indiana","largerWorkSubtype":{"id":15,"text":"Monograph"},"language":"English","publisher":"Indiana Geological Survey","usgsCitation":"Pope, J., Bayless, E., Olyphant, G., and Branam, T., 2012, The role of efflorescent sulfate salts in Indiana’s mine water quality, chap. <i>of</i> Effects of abandoned mine land reclamation on ground and surface water quality: Research and case histories from Indiana, p. 259-279.","productDescription":"21 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 \"}}]}","publicComments":"Indiana Geological Survey Special Report 72","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"560bb70ce4b058f706e53f21","contributors":{"editors":[{"text":"Comer, John B.","contributorId":147612,"corporation":false,"usgs":false,"family":"Comer","given":"John B.","affiliations":[],"preferred":false,"id":572153,"contributorType":{"id":2,"text":"Editors"},"rank":1}],"authors":[{"text":"Pope, Jeane","contributorId":147614,"corporation":false,"usgs":false,"family":"Pope","given":"Jeane","email":"","affiliations":[],"preferred":false,"id":572149,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Bayless, E.R.","contributorId":67639,"corporation":false,"usgs":true,"family":"Bayless","given":"E.R.","email":"","affiliations":[],"preferred":false,"id":572150,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Olyphant, G.","contributorId":147615,"corporation":false,"usgs":false,"family":"Olyphant","given":"G.","email":"","affiliations":[],"preferred":false,"id":572151,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Branam, T.","contributorId":147616,"corporation":false,"usgs":false,"family":"Branam","given":"T.","affiliations":[],"preferred":false,"id":572152,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70187516,"text":"70187516 - 2012 - Nutrient and algal responses to winterkilled fish-derived nutrient subsidies in eutrophic lakes","interactions":[],"lastModifiedDate":"2017-05-08T11:12:12","indexId":"70187516","displayToPublicDate":"2012-01-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2592,"text":"Lake and Reservoir Management","active":true,"publicationSubtype":{"id":10}},"title":"Nutrient and algal responses to winterkilled fish-derived nutrient subsidies in eutrophic lakes","docAbstract":"<p><span>Fishes inhabiting shallow, glacial lakes of the Prairie Pothole Region in the United States and Canada periodically experience hypoxia in severe winters that can lead to extensive fish mortality resulting in high biomasses of dead fish. However, the role of carcass-derived nutrient subsidies in shallow, eutrophic lakes translocated to pelagic primary producers is not well documented. This study quantified the influence of winterkill events on nutrient contributions from decaying fish carcasses of common carp (</span><i>Cyprinus carpio</i><span>) and the phytoplankton response among pre- and postwinterkill years and compared seasonal patterns of nutrient limitation and phytoplankton community composition between winterkill and nonwinterkill lakes. We found that fish carcasses contributed an estimated 2.5–4.3&nbsp;kg/ha of total (Kjeldahl) nitrogen (N) and 0.3–0.5&nbsp;kg/ha of total phosphorus (P) to lakes that experienced winterkill conditions. Nutrient bioassays showed that winterkill lakes were primarily N limited, congruent with the low N:P ratios produced by fish carcasses corrected for the disproportionate release of N and P (8.6). Nutrient subsidies translocated from decomposed fish to pelagic primary producers seemed to have little immediate influence on the seasonal phytoplankton community composition, but total N and subsequent chlorophyll-</span><i>a</i><span> increased the year following the winterkill event. Cyanobacteria density varied seasonally but was higher in winterkill lakes, presumably due to the integration of nutrients released from fish decomposition. This study provides evidence that large inputs of autochthonous fish-derived nutrients contribute to nutrient availability within winterkilled systems and increase the maximum attainable biomass of the phytoplankton community.</span></p>","language":"English","publisher":"Taylor & Francis","doi":"10.1080/07438141.2012.693574","usgsCitation":"Schoenebeck, C.W., Brown, M., Chipps, S.R., and German, D., 2012, Nutrient and algal responses to winterkilled fish-derived nutrient subsidies in eutrophic lakes: Lake and Reservoir Management, v. 28, no. 3, p. 189-199, https://doi.org/10.1080/07438141.2012.693574.","productDescription":"11 p.","startPage":"189","endPage":"199","ipdsId":"IP-034022","costCenters":[{"id":199,"text":"Coop Res Unit Leetown","active":true,"usgs":true}],"links":[{"id":340910,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"28","issue":"3","publishingServiceCenter":{"id":9,"text":"Reston PSC"},"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"591183b8e4b0e541a03c1a86","contributors":{"authors":[{"text":"Schoenebeck, Casey W.","contributorId":94201,"corporation":false,"usgs":true,"family":"Schoenebeck","given":"Casey","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":694398,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Brown, Michael L.","contributorId":171903,"corporation":false,"usgs":false,"family":"Brown","given":"Michael L.","affiliations":[],"preferred":false,"id":694399,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Chipps, Steven R. 0000-0001-6511-7582 steve_chipps@usgs.gov","orcid":"https://orcid.org/0000-0001-6511-7582","contributorId":2243,"corporation":false,"usgs":true,"family":"Chipps","given":"Steven","email":"steve_chipps@usgs.gov","middleInitial":"R.","affiliations":[{"id":199,"text":"Coop Res Unit Leetown","active":true,"usgs":true}],"preferred":true,"id":694400,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"German, David","contributorId":191790,"corporation":false,"usgs":false,"family":"German","given":"David","affiliations":[],"preferred":false,"id":694401,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70158631,"text":"70158631 - 2012 - Metadata requirements and templates","interactions":[],"lastModifiedDate":"2017-04-25T16:28:22","indexId":"70158631","displayToPublicDate":"2012-01-01T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"title":"Metadata requirements and templates","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Manual of airborne topographic lidar","language":"English","publisher":"American Society for Photogrammetry Remote Sensing","publisherLocation":"Bethesda, MD.","usgsCitation":"Heidemann, K., 2012, Metadata requirements and templates, chap. <i>of</i> Manual of airborne topographic lidar, p. 247-250.","productDescription":"4 p.","startPage":"247","endPage":"250","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-038165","costCenters":[{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true}],"links":[{"id":309476,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"563495ede4b048076347fe84","contributors":{"editors":[{"text":"Renslow, Michael S.","contributorId":147278,"corporation":false,"usgs":false,"family":"Renslow","given":"Michael","email":"","middleInitial":"S.","affiliations":[],"preferred":false,"id":576371,"contributorType":{"id":2,"text":"Editors"},"rank":1}],"authors":[{"text":"Heidemann, Karl 0000-0003-4306-359X","orcid":"https://orcid.org/0000-0003-4306-359X","contributorId":148351,"corporation":false,"usgs":false,"family":"Heidemann","given":"Karl","affiliations":[],"preferred":false,"id":576370,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70005993,"text":"70005993 - 2012 - The impact of biotic/abiotic interfaces in mineral nutrient cycling: A study of soils of the Santa Cruz chronosequence, California","interactions":[],"lastModifiedDate":"2020-12-30T19:15:07.348439","indexId":"70005993","displayToPublicDate":"2011-12-25T13:43:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1759,"text":"Geochimica et Cosmochimica Acta","active":true,"publicationSubtype":{"id":10}},"title":"The impact of biotic/abiotic interfaces in mineral nutrient cycling: A study of soils of the Santa Cruz chronosequence, California","docAbstract":"<p id=\"sp005\">Biotic/abiotic interactions between soil mineral nutrients and annual grassland vegetation are characterized for five soils in a marine terrace chronosequence near Santa Cruz, California. A Mediterranean climate, with wet winters and dry summers, controls the annual cycle of plant growth and litter decomposition, resulting in net above-ground productivities of 280–600&nbsp;g&nbsp;m<sup>−2</sup>&nbsp;yr<sup>−1</sup>. The biotic/abiotic (A/B) interface separates seasonally reversible nutrient gradients, reflecting biological cycling in the shallower soils, from downward chemical weathering gradients in the deeper soils. The A/B interface is pedologically defined by argillic clay horizons centered at soil depths of about one meter which intensify with soil age. Below these horizons, elevated solute Na/Ca, Mg/Ca and Sr/Ca ratios reflect plagioclase and smectite weathering along pore water flow paths. Above the A/B interface, lower cation ratios denote temporal variability due to seasonal plant nutrient uptake and litter leaching. Potassium and Ca exhibit no seasonal variability beneath the A/B interface, indicating closed nutrient cycling within the root zone, whereas Mg variability below the A/B interface denotes downward leakage resulting from higher inputs of marine aerosols and lower plant nutrient requirements.</p><p id=\"sp010\">The fraction of a mineral nutrient annually cycled through the plants, compared to that lost from pore water discharge, is defined their respective fluxes<span>&nbsp;</span><i>F</i><sub>j,plants</sub>&nbsp;=&nbsp;<i>q</i><sub>j,plants</sub>/(<i>q</i><sub>j,plants</sub>&nbsp;+&nbsp;<i>q</i><sub>j,discharge</sub>) with average values for K and Ca (<i>F</i><sub>K,plants</sub>&nbsp;=&nbsp;0.99;<span>&nbsp;</span><i>F</i><sub>Ca,plants</sub>&nbsp;=&nbsp;0.93) much higher than for Mg and Na (<i>F</i><sub>Mg,plants</sub><span>&nbsp;</span>0.64;<span>&nbsp;</span><i>F</i><sub>Na,plants</sub>&nbsp;=&nbsp;0.28). The discrimination against Rb and Sr by plants is described by fractionation factors (<i>K</i><sub>Sr/Ca</sub>&nbsp;=&nbsp;0.86;<span>&nbsp;</span><i>K</i><sub>Rb/K</sub>&nbsp;=&nbsp;0.83) which are used in Rayleigh fractionation-mixing calculations to fit seasonal patterns in solute K and Ca cycling.<span>&nbsp;</span><i>K</i><sub>Rb/K</sub><span>&nbsp;</span>and<span>&nbsp;</span><span class=\"math\"><span id=\"MathJax-Element-1-Frame\" class=\"MathJax_SVG\" data-mathml=\"<math xmlns=&quot;http://www.w3.org/1998/Math/MathML&quot;><mrow is=&quot;true&quot;><msub is=&quot;true&quot;><mrow is=&quot;true&quot;><mi is=&quot;true&quot;>K</mi></mrow><mrow is=&quot;true&quot;><msup is=&quot;true&quot;><mrow is=&quot;true&quot; /><mrow is=&quot;true&quot;><mn is=&quot;true&quot;>24</mn></mrow></msup><mtext is=&quot;true&quot;>Mg</mtext><mo is=&quot;true&quot;>/</mo><msup is=&quot;true&quot;><mrow is=&quot;true&quot; /><mrow is=&quot;true&quot;><mn is=&quot;true&quot;>22</mn></mrow></msup><mtext is=&quot;true&quot;>Mg</mtext></mrow></msub></mrow></math>\"><span class=\"MJX_Assistive_MathML\">K24Mg/22Mg</span></span></span><span>&nbsp;</span>values (derived from isotope data in the literature) fall within fractionation envelopes bounded by inputs from rainfall and mineral weathering.<span>&nbsp;</span><i>K</i><sub>Sr/Ca</sub><span>&nbsp;</span>and<span>&nbsp;</span><span class=\"math\"><span id=\"MathJax-Element-2-Frame\" class=\"MathJax_SVG\" data-mathml=\"<math xmlns=&quot;http://www.w3.org/1998/Math/MathML&quot;><mrow is=&quot;true&quot;><msub is=&quot;true&quot;><mrow is=&quot;true&quot;><mi is=&quot;true&quot;>K</mi></mrow><mrow is=&quot;true&quot;><msup is=&quot;true&quot;><mrow is=&quot;true&quot; /><mrow is=&quot;true&quot;><mn is=&quot;true&quot;>44</mn></mrow></msup><mtext is=&quot;true&quot;>Ca</mtext><mo is=&quot;true&quot;>/</mo><msup is=&quot;true&quot;><mrow is=&quot;true&quot; /><mrow is=&quot;true&quot;><mn is=&quot;true&quot;>40</mn></mrow></msup><mtext is=&quot;true&quot;>Ca</mtext></mrow></msub></mrow></math>\"><span class=\"MJX_Assistive_MathML\">K44Ca/40Ca</span></span></span><span>&nbsp;</span>fractionation factors fall outside these envelopes indicating that Ca nutrient cycling is closed to these external inputs. Small net positive K and Ca fluxes (6–14&nbsp;mol&nbsp;m<sup>−2</sup>&nbsp;yr<sup>−1</sup>), based on annual mass balances, indicate that the soils are accumulating mineral nutrients, probably as a result of long-term environmental disequilibrium.</p>","language":"English","publisher":"Elsevier","doi":"10.1016/j.gca.2011.10.029","usgsCitation":"White, A.F., Schulz, M., Vivit, D., Bullen, T.D., and Fitzpatrick, J.A., 2012, The impact of biotic/abiotic interfaces in mineral nutrient cycling: A study of soils of the Santa Cruz chronosequence, California: Geochimica et Cosmochimica Acta, v. 77, p. 62-85, https://doi.org/10.1016/j.gca.2011.10.029.","productDescription":"24 p.","startPage":"62","endPage":"85","costCenters":[{"id":148,"text":"Branch of Regional Research-Western Region","active":false,"usgs":true}],"links":[{"id":381770,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"California","city":"Santa Cruz","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -122.18170166015625,\n              36.925743371044966\n            ],\n            [\n              -121.89605712890624,\n              36.925743371044966\n            ],\n            [\n              -121.89605712890624,\n              37.048601046408976\n            ],\n            [\n              -122.18170166015625,\n              37.048601046408976\n            ],\n            [\n              -122.18170166015625,\n              36.925743371044966\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"77","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505bacdfe4b08c986b3237d8","contributors":{"authors":[{"text":"White, Art F.","contributorId":8607,"corporation":false,"usgs":true,"family":"White","given":"Art","email":"","middleInitial":"F.","affiliations":[],"preferred":false,"id":353616,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Schulz, Marjorie S. 0000-0001-5597-6447 mschulz@usgs.gov","orcid":"https://orcid.org/0000-0001-5597-6447","contributorId":3720,"corporation":false,"usgs":true,"family":"Schulz","given":"Marjorie S.","email":"mschulz@usgs.gov","affiliations":[{"id":438,"text":"National Research Program - Western Branch","active":true,"usgs":true},{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"preferred":true,"id":353615,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Vivit, Davison V.","contributorId":79922,"corporation":false,"usgs":true,"family":"Vivit","given":"Davison V.","affiliations":[],"preferred":false,"id":353618,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Bullen, Tomas D.","contributorId":64792,"corporation":false,"usgs":true,"family":"Bullen","given":"Tomas","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":353617,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Fitzpatrick, John A. 0000-0001-6738-7180 jfitzpat@usgs.gov","orcid":"https://orcid.org/0000-0001-6738-7180","contributorId":3719,"corporation":false,"usgs":true,"family":"Fitzpatrick","given":"John","email":"jfitzpat@usgs.gov","middleInitial":"A.","affiliations":[],"preferred":false,"id":353614,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70005978,"text":"70005978 - 2012 - Temporal trends in algae, benthic invertebrate, and fish assemblages in streams and rivers draining basins of varying land use in the south-central United States, 1993-2007","interactions":[],"lastModifiedDate":"2017-01-04T13:41:38","indexId":"70005978","displayToPublicDate":"2011-12-18T16:09:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1919,"text":"Hydrobiologia","onlineIssn":"1573-5117","printIssn":"0018-8158","active":true,"publicationSubtype":{"id":10}},"title":"Temporal trends in algae, benthic invertebrate, and fish assemblages in streams and rivers draining basins of varying land use in the south-central United States, 1993-2007","docAbstract":"<p><span>Site-specific temporal trends in algae, benthic invertebrate, and fish assemblages were investigated in 15 streams and rivers draining basins of varying land use in the south-central United States from 1993–2007. A multivariate approach was used to identify sites with statistically significant trends in aquatic assemblages which were then tested for correlations with assemblage metrics and abiotic environmental variables (climate, water quality, streamflow, and physical habitat). Significant temporal trends in one or more of the aquatic assemblages were identified at more than half (eight of 15) of the streams in the study. Assemblage metrics and abiotic environmental variables found to be significantly correlated with aquatic assemblages differed between land use categories. For example, algal assemblages at undeveloped sites were associated with physical habitat, while algal assemblages at more anthropogenically altered sites (agricultural and urban) were associated with nutrient and streamflow metrics. In urban stream sites results indicate that streamflow metrics may act as important controls on water quality conditions, as represented by aquatic assemblage metrics. The site-specific identification of biotic trends and abiotic–biotic relations presented here will provide valuable information that can inform interpretation of continued monitoring data and the design of future studies. In addition, the subsets of abiotic variables identified as potentially important drivers of change in aquatic assemblages provide policy makers and resource managers with information that will assist in the design and implementation of monitoring programs aimed at the protection of aquatic resources.</span></p>","language":"English","publisher":"Springer","publisherLocation":"Amsterdam, Netherlands","doi":"10.1007/s10750-011-0950-7","usgsCitation":"Miller, M.P., Kennen, J., Mabe, J.A., and Mize, S.V., 2012, Temporal trends in algae, benthic invertebrate, and fish assemblages in streams and rivers draining basins of varying land use in the south-central United States, 1993-2007: Hydrobiologia, v. 684, no. 1, p. 15-33, https://doi.org/10.1007/s10750-011-0950-7.","productDescription":"19 p.","startPage":"15","endPage":"33","temporalStart":"1993-01-01","temporalEnd":"2007-12-31","costCenters":[{"id":610,"text":"Utah Water Science 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Center","active":true,"usgs":true}],"preferred":true,"id":353583,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Mabe, Jeffrey A.","contributorId":65565,"corporation":false,"usgs":true,"family":"Mabe","given":"Jeffrey","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":353586,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Mize, Scott V. 0000-0001-6751-5568 svmize@usgs.gov","orcid":"https://orcid.org/0000-0001-6751-5568","contributorId":2997,"corporation":false,"usgs":true,"family":"Mize","given":"Scott","email":"svmize@usgs.gov","middleInitial":"V.","affiliations":[{"id":369,"text":"Louisiana Water Science Center","active":true,"usgs":true}],"preferred":true,"id":353584,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70005382,"text":"70005382 - 2012 - Spatial patterns of aquatic habitat richness in the Upper Mississippi River floodplain, USA","interactions":[],"lastModifiedDate":"2021-01-05T15:27:00.693105","indexId":"70005382","displayToPublicDate":"2011-12-01T10:07:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1456,"text":"Ecological Indicators","active":true,"publicationSubtype":{"id":10}},"title":"Spatial patterns of aquatic habitat richness in the Upper Mississippi River floodplain, USA","docAbstract":"Interactions among hydrology and geomorphology create shifting mosaics of aquatic habitat patches in large river floodplains (e.g., main and side channels, floodplain lakes, and shallow backwater areas) and the connectivity among these habitat patches underpins high levels of biotic diversity and productivity. However, the diversity and connectivity among the habitats of most floodplain rivers have been negatively impacted by hydrologic and structural modifications that support commercial navigation and control flooding. We therefore tested the hypothesis that the rate of increase in patch richness (# of types) with increasing scale reflects anthropogenic modifications to habitat diversity and connectivity in a large floodplain river, the Upper Mississippi River (UMR). To do this, we calculated the number of aquatic habitat patch types within neighborhoods surrounding each of the &#8776;19 million 5-m aquatic pixels of the UMR for multiple neighborhood sizes (1&ndash;100 ha). For all of the 87 river-reach focal areas we examined, changes in habitat richness (<i>R</i>) with increasing neighborhood length (<i>L</i>, # pixels) were characterized by a fractal-like power function <i>R</i> = <i>L</i><sup>z</sup> (<i>R</i><sup>2</sup> > 0.92 (<i>P</i> < 0.05)). The scaling exponent (<i>z</i>) measures the rate of increase in habitat richness with neighborhood size and is related to a fractal dimension. Variation in <i>z</i> reflected fundamental changes to spatial patterns of aquatic habitat richness in this river system. With only a few exceptions, <i>z</i> exceeded the river-wide average of 0.18 in focal areas where side channels, contiguous floodplain lakes, and contiguous shallow-water areas exceeded 5%, 5%, and 10% of the floodplain respectively. In contrast, <i>z</i> was always less than 0.18 for focal areas where impounded water exceeded 40% of floodplain area. Our results suggest that rehabilitation efforts that target areas with <5% of the floodplain in side channels, <5% in floodplain lakes, and/or <10% in shallow-water areas could improve habitat diversity across multiple scales in the UMR.","language":"English","publisher":"Elsevier","doi":"10.1016/j.ecolind.2011.06.013","usgsCitation":"De Jager, N.R., and Rohweder, J., 2012, Spatial patterns of aquatic habitat richness in the Upper Mississippi River floodplain, USA: Ecological Indicators, v. 13, no. 1, p. 275-283, https://doi.org/10.1016/j.ecolind.2011.06.013.","productDescription":"9 p.","startPage":"275","endPage":"283","costCenters":[{"id":606,"text":"Upper Midwest Environmental Sciences Center","active":true,"usgs":true}],"links":[{"id":381878,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","otherGeospatial":"Upper Mississippi River","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -92.59277343749999,\n              45.73685954736049\n            ],\n            [\n              -93.8671875,\n              44.84029065139799\n            ],\n            [\n              -91.845703125,\n              42.71473218539458\n            ],\n            [\n              -91.97753906249999,\n              40.1452892956766\n            ],\n            [\n              -91.0546875,\n              37.71859032558816\n            ],\n            [\n              -90.3955078125,\n              36.4566360115962\n            ],\n            [\n              -88.11035156249999,\n              36.77409249464195\n            ],\n            [\n              -89.2529296875,\n              39.67337039176558\n            ],\n            [\n              -89.6044921875,\n              42.19596877629178\n            ],\n            [\n              -91.23046875,\n              45.30580259943578\n            ],\n            [\n              -92.59277343749999,\n              45.73685954736049\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"13","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505b949ae4b08c986b31ab9e","contributors":{"authors":[{"text":"De Jager, Nathan R. 0000-0002-6649-4125","orcid":"https://orcid.org/0000-0002-6649-4125","contributorId":104616,"corporation":false,"usgs":true,"family":"De Jager","given":"Nathan","email":"","middleInitial":"R.","affiliations":[{"id":606,"text":"Upper Midwest Environmental Sciences Center","active":true,"usgs":true}],"preferred":false,"id":352390,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Rohweder, Jason J.","contributorId":25629,"corporation":false,"usgs":true,"family":"Rohweder","given":"Jason J.","affiliations":[],"preferred":false,"id":352389,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70189252,"text":"70189252 - 2012 - Influences of the El Niño Southern Oscillation and the Pacific Decadal Oscillation on the timing of the North American spring","interactions":[],"lastModifiedDate":"2017-07-07T09:50:56","indexId":"70189252","displayToPublicDate":"2011-11-30T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2032,"text":"International Journal of Climatology","active":true,"publicationSubtype":{"id":10}},"title":"Influences of the El Niño Southern Oscillation and the Pacific Decadal Oscillation on the timing of the North American spring","docAbstract":"Detrended, modelled first leaf dates for 856 sites across North America for the period 1900–2008 are used to examine how the El Niño Southern Oscillation (ENSO) and the Pacific Decadal Oscillation (PDO) separately and together might influence the timing of spring. Although spring (mean March through April) ENSO and PDO signals are apparent in first leaf dates, the signals are not statistically significant (at a 95% confidence level (p < 0.05)) for most sites. The most significant ENSO/PDO signal in first leaf dates occurs for El Niño and positive PDO conditions. An analysis of the spatial distributions of first leaf dates for separate and combined ENSO/PDO conditions features a northwest–southeast dipole that is significantly (at p < 0.05) different than the distributions for neutral conditions. The nature of the teleconnection between Pacific SST's and first leaf dates is evident in comparable composites for detrended sea level pressure (SLP) in the spring months. During positive ENSO/PDO, there is an anomalous flow of warm air from the southwestern US into the northwestern US and an anomalous northeasterly flow of cold air from polar regions into the eastern and southeastern US. These flow patterns are reversed during negative ENSO/PDO. Although the magnitudes of first leaf date departures are not necessarily significantly related to ENSO and PDO, the spatial patterns of departures are significantly related to ENSO and PDO. These significant relations and the long-lived persistence of SSTs provide a potential tool for forecasting the tendencies for first leaf dates to be early or late.","language":"English","publisher":"Royal Meteorological Society","doi":"10.1002/joc.3400","usgsCitation":"McCabe, G., Ault, T., Cook, B., Betancourt, J.L., and Schwartz, M.D., 2012, Influences of the El Niño Southern Oscillation and the Pacific Decadal Oscillation on the timing of the North American spring: International Journal of Climatology, v. 32, p. 2301-2310, https://doi.org/10.1002/joc.3400.","productDescription":"10 p. ","startPage":"2301","endPage":"2310","ipdsId":"IP-026240","costCenters":[{"id":5044,"text":"National Research Program - Central Branch","active":true,"usgs":true}],"links":[{"id":474693,"rank":0,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"http://hdl.handle.net/2060/20140001049","text":"External Repository"},{"id":343429,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Canada, United States","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -78.7060546875,\n              32.175612478499346\n            ],\n            [\n              -73.125,\n              30.90222470517144\n            ],\n            [\n              -61.17187499999999,\n              43.32517767999296\n            ],\n            [\n              -64.16015624999999,\n              44.465151013519645\n            ],\n            [\n              -73.125,\n              46.55886030311719\n            ],\n            [\n              -82.44140625,\n              48.80686346108517\n            ],\n            [\n              -109.16015624999999,\n              52.908902047770255\n            ],\n            [\n              -129.90234375,\n              52.37559917665908\n            ],\n            [\n              -125.1123046875,\n              39.095962936305476\n            ],\n            [\n              -120.76171875,\n              34.63320791137959\n            ],\n            [\n              -78.7060546875,\n              32.175612478499346\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"32","publishingServiceCenter":{"id":2,"text":"Denver PSC"},"noUsgsAuthors":false,"publicationDate":"2011-11-15","publicationStatus":"PW","scienceBaseUri":"595f4c47e4b0d1f9f057e37d","contributors":{"authors":[{"text":"McCabe, Gregory J. 0000-0002-9258-2997 gmccabe@usgs.gov","orcid":"https://orcid.org/0000-0002-9258-2997","contributorId":167116,"corporation":false,"usgs":true,"family":"McCabe","given":"Gregory J.","email":"gmccabe@usgs.gov","affiliations":[{"id":5044,"text":"National Research Program - Central Branch","active":true,"usgs":true},{"id":438,"text":"National Research Program - Western Branch","active":true,"usgs":true}],"preferred":false,"id":703741,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Ault, Toby R.","contributorId":48852,"corporation":false,"usgs":true,"family":"Ault","given":"Toby R.","affiliations":[],"preferred":false,"id":703745,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Cook, Benjamin I.","contributorId":81237,"corporation":false,"usgs":true,"family":"Cook","given":"Benjamin I.","affiliations":[],"preferred":false,"id":703743,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Betancourt, Julio L. 0000-0002-7165-0743 jlbetanc@usgs.gov","orcid":"https://orcid.org/0000-0002-7165-0743","contributorId":3376,"corporation":false,"usgs":true,"family":"Betancourt","given":"Julio","email":"jlbetanc@usgs.gov","middleInitial":"L.","affiliations":[{"id":436,"text":"National Research Program - Eastern Branch","active":true,"usgs":true},{"id":438,"text":"National Research Program - Western Branch","active":true,"usgs":true},{"id":554,"text":"Science and Decisions Center","active":true,"usgs":true}],"preferred":true,"id":703742,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Schwartz, Mark D.","contributorId":175228,"corporation":false,"usgs":false,"family":"Schwartz","given":"Mark","email":"","middleInitial":"D.","affiliations":[{"id":18038,"text":"University of Wisconsin, Milwaukee","active":true,"usgs":false}],"preferred":false,"id":703744,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70227333,"text":"70227333 - 2012 - Geochemical modeling of changes in shallow groundwater chemistry observed during the MSU-ZERT CO2 injection experiment","interactions":[],"lastModifiedDate":"2022-01-10T15:36:27.174564","indexId":"70227333","displayToPublicDate":"2011-11-26T09:26:26","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2049,"text":"International Journal of Greenhouse Gas Control","active":true,"publicationSubtype":{"id":10}},"displayTitle":"Geochemical modeling of changes in shallow groundwater chemistry observed during the MSU-ZERT CO<sub>2</sub> injection experiment","title":"Geochemical modeling of changes in shallow groundwater chemistry observed during the MSU-ZERT CO2 injection experiment","docAbstract":"<div id=\"aep-abstract-id35\" class=\"abstract author\"><div id=\"aep-abstract-sec-id36\"><p id=\"spar0010\">A field experiment involving the release of carbon dioxide (CO<sub>2</sub>) into a shallow aquifer was conducted near Bozeman, Montana, during the summer of 2008, to investigate the potential groundwater quality impacts in the case of leakage of CO<sub>2</sub><span>&nbsp;</span>from deep geological storage. As an essential part of the Montana State University Zero Emission Research and Technology (MSU-ZERT) field program, food-grade CO<sub>2</sub><span>&nbsp;</span>was injected over a 30 day period into a horizontal perforated pipe a few feet below the water table of a shallow aquifer. The impact of elevated CO<sub>2</sub><span>&nbsp;</span>concentrations on groundwater quality was investigated by analyzing water samples taken before, during, and following CO<sub>2</sub><span>&nbsp;</span>injection, from observation wells located in the vicinity of the injection pipe, and from two distant monitoring wells. Field measurements and laboratory analyses showed rapid and systematic changes in pH, alkalinity, and conductance, as well as increases in the aqueous concentrations of naturally occurring major and trace element species.</p><p id=\"spar0015\">The geochemical data were evaluated using principal component analysis (PCA) to (1) understand potential correlations between aqueous species, and (2) to identify minerals controlling the chemical composition of the groundwater prior to CO<sub>2</sub><span>&nbsp;</span>injection. These evaluations were used to assess possible geochemical processes responsible for the observed increases in the concentrations of dissolved constituents, and to simulate these processes using a multicomponent reaction path model. Reasonable agreement between observed and modeled data suggests that (1) calcite dissolution was the primary pH buffer, yielding increased Ca<sup>+2</sup><span>&nbsp;</span>concentrations in the groundwater, (2) increases in the concentrations of most major and trace metal cations except Fe could be a result of Ca<sup>+2</sup>-driven exchange reactions, (3) the release of anions from adsorption sites due to competitive adsorption of carbonate could explain the observed trends of most anions, and (4) the dissolution of reactive Fe minerals (presumed ferrihydrite and fougerite, from thermodynamic analyses) could explain increases in total Fe concentration.</p></div></div><div id=\"aep-abstract-id33\" class=\"abstract graphical\"><div id=\"aep-abstract-sec-id34\"><h3 class=\"u-h4 u-margin-m-top u-margin-xs-bottom\">Highlights</h3><p id=\"spar0005\">► Because the possibility of CO<sub>2</sub><span>&nbsp;</span>leakage cannot be completely ruled out, the potential impact of CO<sub>2</sub><span>&nbsp;</span>intrusion on the quality of fresh water aquifers overlying CO<sub>2</sub><span>&nbsp;</span>storage sites needs to be investigated. ► Geochemical data from a field experiment involving the release of carbon dioxide (CO<sub>2</sub>) into a shallow aquifer were evaluated. ► Geochemical model used to assess possible geochemical processes responsible for the observed increases in the concentrations of dissolved constituents. ► Reasonable agreement between observed and modeled data suggests that increases in the concentrations of most major and trace metal cations except Fe could be a result of Ca<sup>+2</sup>-driven exchange reactions and the release of anions from adsorption sites due to competitive adsorption of carbonate could explain the observed trends of most anions.</p></div></div>","language":"English","publisher":"Elsevier","doi":"10.1016/j.ijggc.2011.10.003","usgsCitation":"Zheng, L., Apps, J.A., Spycher, N., Birkholzer, J., Kharaka, Y.K., Thordsen, J., Beers, S.R., Herkelrath, W.N., Kakouros, E., and Trautz, R.C., 2012, Geochemical modeling of changes in shallow groundwater chemistry observed during the MSU-ZERT CO2 injection experiment: International Journal of Greenhouse Gas Control, v. 7, p. 202-217, https://doi.org/10.1016/j.ijggc.2011.10.003.","productDescription":"16 p.","startPage":"202","endPage":"217","costCenters":[{"id":438,"text":"National Research Program - Western Branch","active":true,"usgs":true}],"links":[{"id":474694,"rank":0,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"https://www.osti.gov/biblio/1210906","text":"External Repository"},{"id":394105,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Montana","city":"Bozeman","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -111.20292663574217,\n              45.58809518781759\n            ],\n            [\n              -110.95916748046875,\n              45.58809518781759\n            ],\n            [\n              -110.95916748046875,\n              45.670684230297006\n            ],\n            [\n              -111.20292663574217,\n              45.670684230297006\n            ],\n            [\n              -111.20292663574217,\n              45.58809518781759\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"7","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Zheng, Liange","contributorId":209333,"corporation":false,"usgs":false,"family":"Zheng","given":"Liange","email":"","affiliations":[],"preferred":false,"id":830491,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Apps, J. A.","contributorId":60386,"corporation":false,"usgs":false,"family":"Apps","given":"J.","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":830492,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Spycher, N.","contributorId":54424,"corporation":false,"usgs":true,"family":"Spycher","given":"N.","email":"","affiliations":[],"preferred":false,"id":830493,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Birkholzer, J.","contributorId":84590,"corporation":false,"usgs":true,"family":"Birkholzer","given":"J.","affiliations":[],"preferred":false,"id":830494,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Kharaka, Yousif K. 0000-0001-9861-8260 ykharaka@usgs.gov","orcid":"https://orcid.org/0000-0001-9861-8260","contributorId":1928,"corporation":false,"usgs":true,"family":"Kharaka","given":"Yousif","email":"ykharaka@usgs.gov","middleInitial":"K.","affiliations":[{"id":438,"text":"National Research Program - Western Branch","active":true,"usgs":true}],"preferred":true,"id":830495,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Thordsen, James J. jthordsn@usgs.gov","contributorId":3329,"corporation":false,"usgs":true,"family":"Thordsen","given":"James J.","email":"jthordsn@usgs.gov","affiliations":[{"id":438,"text":"National Research Program - Western Branch","active":true,"usgs":true}],"preferred":true,"id":830496,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Beers, Sarah R.","contributorId":209331,"corporation":false,"usgs":false,"family":"Beers","given":"Sarah","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":830497,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Herkelrath, William N. 0000-0002-6149-5524 wnherkel@usgs.gov","orcid":"https://orcid.org/0000-0002-6149-5524","contributorId":2612,"corporation":false,"usgs":true,"family":"Herkelrath","given":"William","email":"wnherkel@usgs.gov","middleInitial":"N.","affiliations":[{"id":438,"text":"National Research Program - Western Branch","active":true,"usgs":true}],"preferred":true,"id":830498,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Kakouros, Evangelos 0000-0002-4778-4039 kakouros@usgs.gov","orcid":"https://orcid.org/0000-0002-4778-4039","contributorId":2587,"corporation":false,"usgs":true,"family":"Kakouros","given":"Evangelos","email":"kakouros@usgs.gov","affiliations":[{"id":37464,"text":"WMA - Laboratory & Analytical Services Division","active":true,"usgs":true},{"id":438,"text":"National Research Program - Western Branch","active":true,"usgs":true}],"preferred":true,"id":830499,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Trautz, Robert C.","contributorId":171754,"corporation":false,"usgs":false,"family":"Trautz","given":"Robert","email":"","middleInitial":"C.","affiliations":[{"id":26941,"text":"Electric Power Research Institute, Palo Alto, CA","active":true,"usgs":false}],"preferred":false,"id":830500,"contributorType":{"id":1,"text":"Authors"},"rank":10}]}}
,{"id":70005792,"text":"70005792 - 2012 - Emergent sandbar construction for least terns on the Missouri River: Effects on forage fishes in shallow-water habitats","interactions":[],"lastModifiedDate":"2021-05-21T13:47:12.251593","indexId":"70005792","displayToPublicDate":"2011-11-18T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3301,"text":"River Research and Applications","active":true,"publicationSubtype":{"id":10}},"title":"Emergent sandbar construction for least terns on the Missouri River: Effects on forage fishes in shallow-water habitats","docAbstract":"<p><span>Emergent sandbars on the Missouri River are actively managed for two listed bird species, piping plovers and interior least terns. As a plunge-diving piscivore, endangered least terns rely on ready access to appropriately sized slender-bodied fish: &lt;52 mm total length for adults and &lt;34 mm total length for young chicks. As part of a multi-agency recovery programme, aimed at enhancing nesting habitat for plovers and terns, the U.S. Army Corps of Engineers mechanically created several emergent sandbars on the Missouri River. However, it was unknown whether sandbar construction is a benefit or a detriment to forage abundance for least terns. Therefore, we studied the shallow-water (&lt;1.5 m) fish community near river and mechanically created emergent sandbars during three nesting seasons (2006–2008). We sampled every 2 weeks each year from late May to July within 15–16 areas to document the relative abundance, species richness and size classes of fish. Fish relative abundance was negatively related to depth. Catches were dominated by schooling species, including emerald shiner, sand shiner, spotfin shiner and bigmouth buffalo. Significant inter-annual differences in relative abundance were observed, with generally increasing trends in intra-seasonal relative abundance of shiners and the smallest size classes of fish (&lt;34 mm). Significant differences in the fish communities between the sandbar types were not detected in this study. Results suggest that mechanical sandbar habitats host comparable fish communities at similar levels of relative abundance. Further analyses are required to evaluate if the levels of fish relative abundance are adequate to support least tern foraging and reproduction.</span></p>","language":"English","publisher":"Wiley","doi":"10.1002/rra.1525","usgsCitation":"Stucker, J.H., Buhl, D., and Sherfy, M., 2012, Emergent sandbar construction for least terns on the Missouri River: Effects on forage fishes in shallow-water habitats: River Research and Applications, v. 28, no. 8, p. 1254-1265, https://doi.org/10.1002/rra.1525.","productDescription":"12p.","startPage":"1254","endPage":"1265","costCenters":[{"id":480,"text":"Northern Prairie Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":204357,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Nebraska, South Dakota","otherGeospatial":"Gavins Point Reach, Lewis And Clark Lake, Missouri River","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -96.39404296875,\n              42.437647200108685\n            ],\n            [\n              -96.76483154296875,\n              42.863886280785835\n            ],\n            [\n              -96.87469482421875,\n              43.062868070571454\n            ],\n            [\n              -98.86871337890624,\n              43.2512044908875\n            ],\n            [\n              -99.04449462890625,\n              43.14909399920127\n            ],\n            [\n              -99.00054931640625,\n              42.817566071581616\n            ],\n            [\n              -98.83575439453125,\n              42.71675017681163\n            ],\n            [\n              -97.46246337890625,\n              42.61981257367216\n            ],\n            [\n              -96.39404296875,\n              42.437647200108685\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"28","issue":"8","noUsgsAuthors":false,"publicationDate":"2011-04-18","publicationStatus":"PW","scienceBaseUri":"4f4e4a19e4b07f02db6058cc","contributors":{"authors":[{"text":"Stucker, J. H.","contributorId":22595,"corporation":false,"usgs":true,"family":"Stucker","given":"J.","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":353242,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Buhl, D. A. 0000-0002-8563-5990","orcid":"https://orcid.org/0000-0002-8563-5990","contributorId":13571,"corporation":false,"usgs":true,"family":"Buhl","given":"D. A.","affiliations":[],"preferred":false,"id":353241,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Sherfy, M. H. 0000-0003-3016-4105","orcid":"https://orcid.org/0000-0003-3016-4105","contributorId":42561,"corporation":false,"usgs":true,"family":"Sherfy","given":"M. H.","affiliations":[],"preferred":false,"id":353243,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70005822,"text":"70005822 - 2012 - Are all intertidal wetlands naturally created equal? Bottlenecks, thresholds and knowledge gaps to mangrove and saltmarsh ecosystems","interactions":[],"lastModifiedDate":"2021-01-06T16:30:08.508133","indexId":"70005822","displayToPublicDate":"2011-11-09T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1023,"text":"Biological Reviews","active":true,"publicationSubtype":{"id":10}},"title":"Are all intertidal wetlands naturally created equal? Bottlenecks, thresholds and knowledge gaps to mangrove and saltmarsh ecosystems","docAbstract":"Intertidal wetlands such as saltmarshes and mangroves provide numerous important ecological functions, though they are in rapid and global decline. To better conserve and restore these wetland ecosystems, we need an understanding of the fundamental natural bottlenecks and thresholds to their establishment and long-term ecological maintenance. Despite inhabiting similar intertidal positions, the biological traits of these systems differ markedly in structure, phenology, life history, phylogeny and dispersal, suggesting large differences in biophysical interactions. By providing the first systematic comparison between saltmarshes and mangroves, we unravel how the interplay between species-specific life-history traits, biophysical interactions and biogeomorphological feedback processes determine where, when and what wetland can establish, the thresholds to long-term ecosystem stability, and constraints to genetic connectivity between intertidal wetland populations at the landscape level. To understand these process interactions, research into the constraints to wetland development, and biological adaptations to overcome these critical bottlenecks and thresholds requires a truly interdisciplinary approach.","language":"English","publisher":"Wiley","publisherLocation":"Hoboken, NJ","usgsCitation":"Friess, D., Krauss, K.W., Horstman, E.M., Balke, T., Bouma, T., Galli, D., and Webb, E.L., 2012, Are all intertidal wetlands naturally created equal? Bottlenecks, thresholds and knowledge gaps to mangrove and saltmarsh ecosystems: Biological Reviews, v. 87, no. 2, p. 346-366.","productDescription":"21 p.","startPage":"346","endPage":"366","costCenters":[{"id":455,"text":"National Wetlands Research Center","active":true,"usgs":true},{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true}],"links":[{"id":204441,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":101732,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://onlinelibrary.wiley.com/doi/10.1111/j.1469-185X.2011.00198.x/abstract","linkFileType":{"id":5,"text":"html"}}],"volume":"87","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4abee4b07f02db674a78","contributors":{"authors":[{"text":"Friess, Daniel A.","contributorId":35454,"corporation":false,"usgs":false,"family":"Friess","given":"Daniel A.","affiliations":[{"id":25407,"text":"Department of Geography, National University of Singapore","active":true,"usgs":false}],"preferred":false,"id":353312,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Krauss, Ken W. 0000-0003-2195-0729 kraussk@usgs.gov","orcid":"https://orcid.org/0000-0003-2195-0729","contributorId":2017,"corporation":false,"usgs":true,"family":"Krauss","given":"Ken","email":"kraussk@usgs.gov","middleInitial":"W.","affiliations":[{"id":455,"text":"National Wetlands Research Center","active":true,"usgs":true},{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true}],"preferred":true,"id":353310,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Horstman, Erik M.","contributorId":41131,"corporation":false,"usgs":true,"family":"Horstman","given":"Erik","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":353314,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Balke, Thorsten","contributorId":38703,"corporation":false,"usgs":true,"family":"Balke","given":"Thorsten","email":"","affiliations":[],"preferred":false,"id":353313,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Bouma, Tjeerd J.","contributorId":103407,"corporation":false,"usgs":true,"family":"Bouma","given":"Tjeerd J.","affiliations":[],"preferred":false,"id":353316,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Galli, Demis","contributorId":56366,"corporation":false,"usgs":true,"family":"Galli","given":"Demis","email":"","affiliations":[],"preferred":false,"id":353315,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Webb, Edward L.","contributorId":22083,"corporation":false,"usgs":true,"family":"Webb","given":"Edward","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":353311,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}}
,{"id":70006188,"text":"70006188 - 2012 - Changes in diameter growth of Taxodium distichum in response to flow alterations in the Savannah River","interactions":[],"lastModifiedDate":"2019-11-07T15:51:51","indexId":"70006188","displayToPublicDate":"2011-11-01T18:13:56","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3750,"text":"Wetlands","onlineIssn":"1943-6246","printIssn":"0277-5212","active":true,"publicationSubtype":{"id":10}},"displayTitle":"Changes in diameter growth of <i>Taxodium distichum</i> in response to flow alterations in the Savannah River","title":"Changes in diameter growth of Taxodium distichum in response to flow alterations in the Savannah River","docAbstract":"<p>Efforts to maximize or restore ecological function on floodplains impacted by dam construction have increasingly focused on river flow management. Few studies, however, consider floodplain hydrogeomorphic position and annual climatic variation in dam impact assessment. The Savannah River, a large river ecosystem in the Southeastern United States, was impounded in the 1950's. Our study objectives were: (1) Characterize hydrology in floodplain areas containing <i>Taxodium distichum</i>, and determine how it has been affected by dam operations; (2) Identify basal area increment (BAI) response of <i>Taxodium</i> to annual flooding and climate (dry, average, wet) conditions; (3) Assess BAI response to dam-induced hydrologic changes. Levee and backswamp sites were significantly drier in the post-dam era, and trees at these sites showed a significant post-dam increase in BAI. Low-elevation river sites did not show significant hydrologic differences between pre- and post-dam eras, but BAI was significantly higher in dry years and significantly less sensitive to hydroperiod in the post-dam era. All trees demonstrated a significant quadratic BAI vs. hydroperiod relationship. This study demonstrates that annual productivity of <i>Taxodium</i> trees can be reduced by either drought or flood stress. It also suggests that climate and hydrogeomorphic location mediate dam impacts and productivity-flooding relationships in <i>Taxodium</i>.</p>","language":"English","publisher":"Springer","doi":"10.1007/s13157-011-0245-9","usgsCitation":"Palta, M., Doyle, T.W., Jackson, C.R., Meyer, L.J., and Sharitz, R., 2012, Changes in diameter growth of Taxodium distichum in response to flow alterations in the Savannah River: Wetlands, v. 32, no. 1, p. 59-71, https://doi.org/10.1007/s13157-011-0245-9.","productDescription":"13 p.","startPage":"59","endPage":"71","numberOfPages":"13","ipdsId":"IP-022712","costCenters":[{"id":455,"text":"National Wetlands Research Center","active":true,"usgs":true}],"links":[{"id":367943,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Georgia","otherGeospatial":"Savannah River Basin","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -81.903076171875,\n              33.03169299978312\n            ],\n            [\n              -81.44439697265624,\n              33.03169299978312\n            ],\n            [\n              -81.44439697265624,\n              33.29839499061643\n            ],\n            [\n              -81.903076171875,\n              33.29839499061643\n            ],\n            [\n              -81.903076171875,\n              33.03169299978312\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"32","issue":"1","noUsgsAuthors":false,"publicationDate":"2011-11-01","publicationStatus":"PW","contributors":{"authors":[{"text":"Palta, M Monica","contributorId":121353,"corporation":false,"usgs":true,"family":"Palta","given":"M","suffix":"Monica","affiliations":[],"preferred":false,"id":513523,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Doyle, Thomas W. 0000-0001-5754-0671 doylet@usgs.gov","orcid":"https://orcid.org/0000-0001-5754-0671","contributorId":703,"corporation":false,"usgs":true,"family":"Doyle","given":"Thomas","email":"doylet@usgs.gov","middleInitial":"W.","affiliations":[{"id":455,"text":"National Wetlands Research Center","active":true,"usgs":true}],"preferred":true,"id":772320,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Jackson, C. Rhett","contributorId":119155,"corporation":false,"usgs":false,"family":"Jackson","given":"C.","email":"","middleInitial":"Rhett","affiliations":[{"id":13267,"text":"Warnell School of Forestry and Natural Resources, University of Georgia","active":true,"usgs":false}],"preferred":false,"id":513521,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Meyer, L Judy Judy","contributorId":117416,"corporation":false,"usgs":true,"family":"Meyer","given":"L","suffix":"Judy","email":"","middleInitial":"Judy","affiliations":[],"preferred":false,"id":513520,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Sharitz, R Rebecca","contributorId":116036,"corporation":false,"usgs":true,"family":"Sharitz","given":"R","suffix":"Rebecca","affiliations":[],"preferred":false,"id":513519,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70155280,"text":"70155280 - 2012 - Recent summer precipitation trends in the Greater Horn of Africa and the emerging role of Indian Ocean sea surface temperature","interactions":[],"lastModifiedDate":"2021-04-27T19:59:48.530087","indexId":"70155280","displayToPublicDate":"2011-10-29T00:00:00","publicationYear":"2012","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1248,"text":"Climate Dynamics","active":true,"publicationSubtype":{"id":10}},"title":"Recent summer precipitation trends in the Greater Horn of Africa and the emerging role of Indian Ocean sea surface temperature","docAbstract":"<div id=\"kb-nav--main\" class=\"col-main has-full-enumeration\"><div class=\"abstract-content formatted\"><p class=\"Para\"><span>We utilize a variety of climate datasets to examine impacts of two mechanisms on precipitation in the Greater Horn of Africa (GHA) during northern-hemisphere summer. First, surface-pressure gradients draw moist air toward the GHA from the tropical Atlantic Ocean and Congo Basin. Variability of the strength of these gradients strongly influences GHA precipitation totals and accounts for important phenomena such as the 1960s–1980s rainfall decline and devastating 1984 drought. Following the 1980s, precipitation variability became increasingly influenced by the southern tropical Indian Ocean (STIO) region. Within this region, increases in sea-surface temperature, evaporation, and precipitation are linked with increased exports of dry mid-tropospheric air from the STIO region toward the GHA. Convergence of dry air above the GHA reduces local convection and precipitation. It also produces a clockwise circulation response near the ground that reduces moisture transports from the Congo Basin. Because precipitation originating in the Congo Basin has a unique isotopic signature, records of moisture transports from the Congo Basin may be preserved in the isotopic composition of annual tree rings in the Ethiopian Highlands. A negative trend in tree-ring oxygen-18 during the past half century suggests a decline in the proportion of precipitation originating from the Congo Basin. This trend may not be part of a natural cycle that will soon rebound because climate models characterize Indian Ocean warming as a principal signature of greenhouse-gas induced climate change. We therefore expect surface warming in the STIO region to continue to negatively impact GHA precipitation during northern-hemisphere summer.</span></p></div></div>","language":"English","publisher":"Springer","doi":"10.1007/s00382-011-1222-y","usgsCitation":"Williams, A.P., Funk, C.C., Michaelsen, J., Rauscher, S.A., Robertson, I., Wils, T.H., Koprowski, M., Eshetu, Z., and Loader, N.J., 2012, Recent summer precipitation trends in the Greater Horn of Africa and the emerging role of Indian Ocean sea surface temperature: Climate Dynamics, v. 39, p. 2307-2328, https://doi.org/10.1007/s00382-011-1222-y.","productDescription":"22 p.","startPage":"2307","endPage":"2328","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-030669","costCenters":[{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true}],"links":[{"id":474695,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index 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