{"pageNumber":"2239","pageRowStart":"55950","pageSize":"25","recordCount":184617,"records":[{"id":5224853,"text":"5224853 - 2007 - Mapping the information landscape: Discerning peaks and valleys for ecological monitoring","interactions":[],"lastModifiedDate":"2021-06-02T18:16:45.23344","indexId":"5224853","displayToPublicDate":"2010-06-16T12:18:33","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2194,"text":"Journal of Biological Physics","active":true,"publicationSubtype":{"id":10}},"title":"Mapping the information landscape: Discerning peaks and valleys for ecological monitoring","docAbstract":"We investigate previously unreported phenomena that have a potentially significant impact on the design of surveillance monitoring programs for ecological systems. Ecological monitoring practitioners have long recognized that different species are differentially informative of a system's dynamics, as codified in the well-known concepts of indicator or keystone species. Using a novel combination of analysis techniques from nonlinear dynamics, we describe marked variation among spatial sites in information content with respect to system dynamics in the entire region. We first observed these phenomena in a spatially extended predator-prey model, but we observed strikingly similar features in verified water-level data from a NOAA/NOS Great Lakes monitoring program. We suggest that these features may be widespread and the design of surveillance monitoring programs should reflect knowledge of their existence.
","language":"English","publisher":"SpringerLink","doi":"10.1007/s10867-007-9047-y","usgsCitation":"Moniz, L., Nichols, J., and Nichols, J., 2007, Mapping the information landscape: Discerning peaks and valleys for ecological monitoring: Journal of Biological Physics, v. 33, no. 3, p. 171-181, https://doi.org/10.1007/s10867-007-9047-y.","productDescription":"11 p.","startPage":"171","endPage":"181","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":476854,"rank":1,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"https://doi.org/10.1007/s10867-007-9047-y","text":"External Repository"},{"id":196288,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"33","issue":"3","noUsgsAuthors":false,"publicationDate":"2008-02-28","publicationStatus":"PW","scienceBaseUri":"4f4e4b0ae4b07f02db69d384","contributors":{"authors":[{"text":"Moniz, L.J.","contributorId":17718,"corporation":false,"usgs":true,"family":"Moniz","given":"L.J.","email":"","affiliations":[],"preferred":false,"id":342909,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Nichols, J.D. 0000-0002-7631-2890","orcid":"https://orcid.org/0000-0002-7631-2890","contributorId":14332,"corporation":false,"usgs":true,"family":"Nichols","given":"J.D.","affiliations":[],"preferred":false,"id":342908,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Nichols, J.M.","contributorId":18080,"corporation":false,"usgs":true,"family":"Nichols","given":"J.M.","email":"","affiliations":[],"preferred":false,"id":342910,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":5224790,"text":"5224790 - 2007 - Seasonal components of avian population change: Joint analysis of two large-scale monitoring programs","interactions":[],"lastModifiedDate":"2021-05-25T11:55:50.752347","indexId":"5224790","displayToPublicDate":"2010-06-16T12:18:32","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1465,"text":"Ecology","active":true,"publicationSubtype":{"id":10}},"title":"Seasonal components of avian population change: Joint analysis of two large-scale monitoring programs","docAbstract":"We present a combined analysis of data from two large-scale surveys of bird populations. The North American Breeding Bird Survey is conducted each summer; the Christmas Bird Count is conducted in early winter. The temporal staggering of these surveys allows investigation of seasonal components of population change, which we illustrate with an examination of the effects of severe winters on the Carolina Wren (Thryothorus ludovicianus). Our analysis uses a hierarchical log-linear model with controls for survey-specific sampling covariates. Temporal change in population size is modeled seasonally, with covariates for winter severity. Overall, the winter-spring seasons are associated with 82% of the total population variation for Carolina Wrens, and an additional day of snow cover during winter-spring is associated with an incremental decline of 1.1% of the population.
","language":"English","publisher":"Wiley","doi":"10.1890/0012-9658(2007)88[49:SCOAPC]2.0.CO;2","usgsCitation":"Link, W., and Sauer, J., 2007, Seasonal components of avian population change: Joint analysis of two large-scale monitoring programs: Ecology, v. 88, no. 1, p. 49-55, https://doi.org/10.1890/0012-9658(2007)88[49:SCOAPC]2.0.CO;2.","productDescription":"7 p.","startPage":"49","endPage":"55","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":197993,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"88","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49ffe4b07f02db5f781c","contributors":{"authors":[{"text":"Link, W.A. 0000-0002-9913-0256","orcid":"https://orcid.org/0000-0002-9913-0256","contributorId":8815,"corporation":false,"usgs":true,"family":"Link","given":"W.A.","affiliations":[],"preferred":false,"id":342693,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Sauer, J.R. 0000-0002-4557-3019","orcid":"https://orcid.org/0000-0002-4557-3019","contributorId":66197,"corporation":false,"usgs":true,"family":"Sauer","given":"J.R.","affiliations":[],"preferred":false,"id":342694,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":5224755,"text":"5224755 - 2007 - Hydrologic connectivity and the contribution of stream headwaters to ecological integrity at regional scales","interactions":[],"lastModifiedDate":"2021-06-04T16:45:35.193477","indexId":"5224755","displayToPublicDate":"2010-06-16T12:18:32","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2529,"text":"Journal of the American Water Resources Association","active":true,"publicationSubtype":{"id":10}},"title":"Hydrologic connectivity and the contribution of stream headwaters to ecological integrity at regional scales","docAbstract":"Cumulatively, headwater streams contribute to maintaining hydrologic connectivity and ecosystem integrity at regional scales. Hydrologic connectivity is the water-mediated transport of matter, energy and organisms within or between elements of the hydrologic cycle. Headwater streams compose over two-thirds of total stream length in a typical river drainage and directly connect the upland and riparian landscape to the rest of the stream ecosystem. Altering headwater streams, e.g., by channelization, diversion through pipes, impoundment and burial, modifies fluxes between uplands and downstream river segments and eliminates distinctive habitats. The large-scale ecological effects of altering headwaters are amplified by land uses that alter runoff and nutrient loads to streams, and by widespread dam construction on larger rivers (which frequently leaves free-flowing upstream portions of river systems essential to sustaining aquatic biodiversity). We discuss three examples of large-scale consequences of cumulative headwater alteration. Downstream eutrophication and coastal hypoxia result, in part, from agricultural practices that alter headwaters and wetlands while increasing nutrient runoff. Extensive headwater alteration is also expected to lower secondary productivity of river systems by reducing stream-system length and trophic subsidies to downstream river segments, affecting aquatic communities and terrestrial wildlife that utilize aquatic resources. Reduced viability of freshwater biota may occur with cumulative headwater alteration, including for species that occupy a range of stream sizes but for which headwater streams diversify the network of interconnected populations or enhance survival for particular life stages. Developing a more predictive understanding of ecological patterns that may emerge on regional scales as a result of headwater alterations will require studies focused on components and pathways that connect headwaters to river, coastal and terrestrial ecosystems. Linkages between headwaters and downstream ecosystems cannot be discounted when addressing large-scale issues such as hypoxia in the Gulf of Mexico and global losses of biodiversity.","language":"English","publisher":"Wiley Online Library","doi":"10.1111/j.1752-1688.2007.00002.x","usgsCitation":"Freeman, M.C., Pringle, C.M., and Jackson, C., 2007, Hydrologic connectivity and the contribution of stream headwaters to ecological integrity at regional scales: Journal of the American Water Resources Association, v. 43, no. 1, p. 5-14, https://doi.org/10.1111/j.1752-1688.2007.00002.x.","productDescription":"10 p.","startPage":"5","endPage":"14","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":202769,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"43","issue":"1","noUsgsAuthors":false,"publicationDate":"2007-01-26","publicationStatus":"PW","scienceBaseUri":"4f4e4ad5e4b07f02db68334b","contributors":{"authors":[{"text":"Freeman, Mary C. 0000-0001-7615-6923","orcid":"https://orcid.org/0000-0001-7615-6923","contributorId":99659,"corporation":false,"usgs":true,"family":"Freeman","given":"Mary","email":"","middleInitial":"C.","affiliations":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"preferred":false,"id":342588,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Pringle, C. M.","contributorId":72902,"corporation":false,"usgs":false,"family":"Pringle","given":"C.","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":342587,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Jackson, C.R.","contributorId":16136,"corporation":false,"usgs":true,"family":"Jackson","given":"C.R.","email":"","affiliations":[],"preferred":false,"id":342586,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":5224753,"text":"5224753 - 2007 - Concerns regarding a call for pluralism of information theory and hypothesis testing","interactions":[],"lastModifiedDate":"2021-06-01T17:40:13.056077","indexId":"5224753","displayToPublicDate":"2010-06-16T12:18:32","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2163,"text":"Journal of Applied Ecology","active":true,"publicationSubtype":{"id":10}},"title":"Concerns regarding a call for pluralism of information theory and hypothesis testing","docAbstract":"1. Stephens et al. (2005) argue for 'pluralism' in statistical analysis, combining null hypothesis testing and information-theoretic (I-T) methods. We show that I-T methods are more informative even in single variable problems and we provide an ecological example. 2. I-T methods allow inferences to be made from multiple models simultaneously. We believe multimodel inference is the future of data analysis, which cannot be achieved with null hypothesis-testing approaches. 3. We argue for a stronger emphasis on critical thinking in science in general and less reliance on exploratory data analysis and data dredging. Deriving alternative hypotheses is central to science; deriving a single interesting science hypothesis and then comparing it to a default null hypothesis (e.g. 'no difference') is not an efficient strategy for gaining knowledge. We think this single-hypothesis strategy has been relied upon too often in the past. 4. We clarify misconceptions presented by Stephens et al. (2005). 5. We think inference should be made about models, directly linked to scientific hypotheses, and their parameters conditioned on data, Prob(Hj| data). I-T methods provide a basis for this inference. Null hypothesis testing merely provides a probability statement about the data conditioned on a null model, Prob(data |H0). 6. Synthesis and applications. I-T methods provide a more informative approach to inference. I-T methods provide a direct measure of evidence for or against hypotheses and a means to consider simultaneously multiple hypotheses as a basis for rigorous inference. Progress in our science can be accelerated if modern methods can be used intelligently; this includes various I-T and Bayesian methods.
","language":"English","publisher":"Wiley Online","doi":"10.1111/j.1365-2664.2006.01267.x","usgsCitation":"Lukacs, P., Thompson, W., Kendall, W., Gould, W., Doherty, P., Burnham, K., and Anderson, D., 2007, Concerns regarding a call for pluralism of information theory and hypothesis testing: Journal of Applied Ecology, v. 44, no. 2, p. 456-460, https://doi.org/10.1111/j.1365-2664.2006.01267.x.","productDescription":"5 p.","startPage":"456","endPage":"460","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":476863,"rank":1,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1111/j.1365-2664.2006.01267.x","text":"Publisher Index Page"},{"id":202224,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"44","issue":"2","noUsgsAuthors":false,"publicationDate":"2007-03-05","publicationStatus":"PW","scienceBaseUri":"4f4e4b15e4b07f02db6a482a","contributors":{"authors":[{"text":"Lukacs, P.M.","contributorId":84708,"corporation":false,"usgs":true,"family":"Lukacs","given":"P.M.","email":"","affiliations":[],"preferred":false,"id":342584,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Thompson, W.L.","contributorId":83234,"corporation":false,"usgs":true,"family":"Thompson","given":"W.L.","email":"","affiliations":[],"preferred":false,"id":342583,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Kendall, W. L. 0000-0003-0084-9891","orcid":"https://orcid.org/0000-0003-0084-9891","contributorId":32880,"corporation":false,"usgs":true,"family":"Kendall","given":"W. L.","affiliations":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"preferred":false,"id":342580,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Gould, W.R.","contributorId":9746,"corporation":false,"usgs":true,"family":"Gould","given":"W.R.","affiliations":[],"preferred":false,"id":342579,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Doherty, P.F. Jr.","contributorId":74096,"corporation":false,"usgs":true,"family":"Doherty","given":"P.F.","suffix":"Jr.","email":"","affiliations":[],"preferred":false,"id":342582,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Burnham, K.P.","contributorId":63760,"corporation":false,"usgs":true,"family":"Burnham","given":"K.P.","email":"","affiliations":[],"preferred":false,"id":342581,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Anderson, David R.","contributorId":8413,"corporation":false,"usgs":true,"family":"Anderson","given":"David R.","affiliations":[],"preferred":false,"id":342578,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}}
,{"id":5224793,"text":"5224793 - 2007 - Natural communities in catch basins in southern Rhode Island","interactions":[],"lastModifiedDate":"2012-02-02T00:15:06","indexId":"5224793","displayToPublicDate":"2010-06-16T12:18:32","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2898,"text":"Northeastern Naturalist","active":true,"publicationSubtype":{"id":10}},"title":"Natural communities in catch basins in southern Rhode Island","docAbstract":"Storm-water drainage catch basins are manmade structures that often contain water and organic matter, making them suitable environments for various organisms. We censused organisms inhabiting catch basins in southern Rhode Island in 2002 in an effort to begin to describe these communities. Catch-basin inhabitants were mostly detritivores, including annelids, arthropods, and mollusks that could withstand low oxygen levels and droughts. Our results suggest that catch-basin inhabitants were mostly washed in with rainwater, and populations increased over the summer season as biotic activity resulted in increased nutrient levels later in the summer. In contrast, mosquitoes and other Diptera larvae were abundant earlier in the summer because the adults actively sought catch basins for oviposition sites. Mosquito larvae were likely to be abundant in catch basins with shallow, stagnant water that had relatively low dissolved oxygen and pH, and relatively high total suspended solids, carbon, and nitrogen.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Northeastern Naturalist","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","collaboration":"6773_Butler.pdf","usgsCitation":"Butler, M., Ginsberg, H., LeBrun, R., Gettman, A., and Pollnak, F., 2007, Natural communities in catch basins in southern Rhode Island: Northeastern Naturalist, v. 14, no. 2, p. 235-250.","productDescription":"235-250","startPage":"235","endPage":"250","numberOfPages":"16","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":198348,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":16856,"rank":200,"type":{"id":11,"text":"Document"},"url":"https://www.bioone.org/perlserv/?request=get-abstract&doi=10.1656%2F1092-6194%282007%2914%5B235%3ANCICBI%5D2.0.CO%3B2","linkFileType":{"id":5,"text":"html"}}],"volume":"14","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b00e4b07f02db698335","contributors":{"authors":[{"text":"Butler, M.","contributorId":30313,"corporation":false,"usgs":true,"family":"Butler","given":"M.","email":"","affiliations":[],"preferred":false,"id":342698,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Ginsberg, H. S. 0000-0002-4933-2466","orcid":"https://orcid.org/0000-0002-4933-2466","contributorId":27576,"corporation":false,"usgs":true,"family":"Ginsberg","given":"H. S.","affiliations":[],"preferred":false,"id":342697,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"LeBrun, R.A.","contributorId":43068,"corporation":false,"usgs":true,"family":"LeBrun","given":"R.A.","affiliations":[],"preferred":false,"id":342699,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Gettman, A.D.","contributorId":62308,"corporation":false,"usgs":true,"family":"Gettman","given":"A.D.","email":"","affiliations":[],"preferred":false,"id":342700,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Pollnak, F.","contributorId":64364,"corporation":false,"usgs":true,"family":"Pollnak","given":"F.","email":"","affiliations":[],"preferred":false,"id":342701,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":5224738,"text":"5224738 - 2007 - New records of Phyllonastes Heyer 1977 (Anura, Brachycephalidae) from Ecuador and Peru","interactions":[],"lastModifiedDate":"2012-02-02T00:15:09","indexId":"5224738","displayToPublicDate":"2010-06-16T12:18:32","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1900,"text":"Herpetozoa","active":true,"publicationSubtype":{"id":10}},"title":"New records of Phyllonastes Heyer 1977 (Anura, Brachycephalidae) from Ecuador and Peru","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Herpetozoa","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","collaboration":"Austrian Herpetological Society ; Osterreichische Gesellschaft fur Herpetologie 6700_Cisneros-Heredia.pdf","usgsCitation":"Cisneros-Heredia, D., and Reynolds, R., 2007, New records of Phyllonastes Heyer 1977 (Anura, Brachycephalidae) from Ecuador and Peru: Herpetozoa, v. 19, no. 3/4, p. 184-186.","productDescription":"184-186","startPage":"184","endPage":"186","numberOfPages":"3","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":16834,"rank":200,"type":{"id":11,"text":"Document"},"url":"https://www.nhm-wien.ac.at/nhm/herpet/hpogh06e.htm","linkFileType":{"id":5,"text":"html"}},{"id":196512,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"19","issue":"3/4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4afee4b07f02db697585","contributors":{"authors":[{"text":"Cisneros-Heredia, D.F.","contributorId":104180,"corporation":false,"usgs":true,"family":"Cisneros-Heredia","given":"D.F.","email":"","affiliations":[],"preferred":false,"id":342533,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Reynolds, R.P.","contributorId":104439,"corporation":false,"usgs":true,"family":"Reynolds","given":"R.P.","email":"","affiliations":[],"preferred":false,"id":342534,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":5224717,"text":"5224717 - 2007 - Minimising visitor impacts to protected areas: The efficacy of low impact education programmes","interactions":[],"lastModifiedDate":"2021-06-04T16:34:54.998312","indexId":"5224717","displayToPublicDate":"2010-06-16T12:18:32","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2472,"text":"Journal of Sustainable Tourism","active":true,"publicationSubtype":{"id":10}},"title":"Minimising visitor impacts to protected areas: The efficacy of low impact education programmes","docAbstract":"Protected area managers, tourism providers, and other organisations commonly employ education programmes to address visitation-related impairment of natural and cultural resources, social conditions, and neighbouring communities. These programmes have different names (Leave No Trace, Codes of Conduct, Environmental Guidelines for Tourists) but share common objectives: to sustain opportunities for high quality visitor experiences while avoiding or minimising associated negative impacts to protected area resources, visitor experiences, and park neighbours. Theoretical and empirical research studies in the United States are reviewed to evaluate the efficacy of educational efforts that seek to encourage adoption of low impact behaviours. Findings reveal that most of the visitor education efforts evaluated did effectively alter visitor knowledge, behaviour and/or resource and social conditions in the intended direction. These findings, including discussions of message content, delivery, audience characteristics and theoretical grounding, provide insights for improving the efficacy of future educational efforts.","language":"English","publisher":"Taylor & Francis Online","doi":"10.2167/jost593.0","usgsCitation":"Marion, J., and Reid, S.E., 2007, Minimising visitor impacts to protected areas: The efficacy of low impact education programmes: Journal of Sustainable Tourism, v. 15, no. 1, p. 5-27, https://doi.org/10.2167/jost593.0.","productDescription":"23 p.","startPage":"5","endPage":"27","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":201495,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"15","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b05e4b07f02db699d2a","contributors":{"authors":[{"text":"Marion, J. L. 0000-0003-2226-689X","orcid":"https://orcid.org/0000-0003-2226-689X","contributorId":10888,"corporation":false,"usgs":true,"family":"Marion","given":"J. L.","affiliations":[],"preferred":false,"id":342470,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Reid, S. E.","contributorId":88847,"corporation":false,"usgs":false,"family":"Reid","given":"S.","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":342471,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":5224759,"text":"5224759 - 2007 - Sampling design trade-offs in occupancy studies with imperfect detection: Examples and software","interactions":[],"lastModifiedDate":"2021-05-25T11:58:10.329045","indexId":"5224759","displayToPublicDate":"2010-06-16T12:18:32","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1450,"text":"Ecological Applications","active":true,"publicationSubtype":{"id":10}},"title":"Sampling design trade-offs in occupancy studies with imperfect detection: Examples and software","docAbstract":"Researchers have used occupancy, or probability of occupancy, as a response or state variable in a variety of studies (e.g., habitat modeling), and occupancy is increasingly favored by numerous state, federal, and international agencies engaged in monitoring programs. Recent advances in estimation methods have emphasized that reliable inferences can be made from these types of studies if detection and occupancy probabilities are simultaneously estimated. The need for temporal replication at sampled sites to estimate detection probability creates a trade-off between spatial replication (number of sample sites distributed within the area of interest/inference) and temporal replication (number of repeated surveys at each site). Here, we discuss a suite of questions commonly encountered during the design phase of occupancy studies, and we describe software (program GENPRES) developed to allow investigators to easily explore design trade-offs focused on particularities of their study system and sampling limitations. We illustrate the utility of program GENPRES using an amphibian example from Greater Yellowstone National Park, USA.","language":"English","publisher":"Wiley","doi":"10.1890/1051-0761(2007)017[0281:SDTIOS]2.0.CO;2","usgsCitation":"Bailey, L., Hines, J., Nichols, J., and MacKenzie, D.I., 2007, Sampling design trade-offs in occupancy studies with imperfect detection: Examples and software: Ecological Applications, v. 17, no. 1, p. 281-290, https://doi.org/10.1890/1051-0761(2007)017[0281:SDTIOS]2.0.CO;2.","productDescription":"10 p.","startPage":"281","endPage":"290","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":202452,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"17","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ae0e4b07f02db68805b","contributors":{"authors":[{"text":"Bailey, L.L. 0000-0002-5959-2018","orcid":"https://orcid.org/0000-0002-5959-2018","contributorId":61006,"corporation":false,"usgs":true,"family":"Bailey","given":"L.L.","affiliations":[],"preferred":false,"id":342596,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hines, J.E. 0000-0001-5478-7230","orcid":"https://orcid.org/0000-0001-5478-7230","contributorId":36885,"corporation":false,"usgs":true,"family":"Hines","given":"J.E.","affiliations":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"preferred":false,"id":342595,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Nichols, J.D. 0000-0002-7631-2890","orcid":"https://orcid.org/0000-0002-7631-2890","contributorId":14332,"corporation":false,"usgs":true,"family":"Nichols","given":"J.D.","affiliations":[],"preferred":false,"id":342594,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"MacKenzie, Darryl I.","contributorId":194669,"corporation":false,"usgs":false,"family":"MacKenzie","given":"Darryl","email":"","middleInitial":"I.","affiliations":[],"preferred":false,"id":816359,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":5224743,"text":"5224743 - 2007 - Water level management and contaminant exposure to tree swallows nesting on the Upper Mississippi River","interactions":[],"lastModifiedDate":"2012-02-02T00:15:32","indexId":"5224743","displayToPublicDate":"2010-06-16T12:18:32","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1552,"text":"Environmental Monitoring and Assessment","onlineIssn":"1573-2959","printIssn":"0167-6369","active":true,"publicationSubtype":{"id":10}},"title":"Water level management and contaminant exposure to tree swallows nesting on the Upper Mississippi River","docAbstract":"The U.S. Army Corps of Engineers conducted a water drawdown on Navigation Pool 8 of the Upper Mississippi River during the summers of 2001 and 2002 to increase aquatic vegetation production and thereby improve fish and wildlife habitat. Flooding of previously dried wetlands, however, may increase the rate of mercury methylation and make mercury more available to terrestrial vertebrates that feed in aquatic environments. Our objective was to determine if mercury, other elements, and organochlorine contaminants were more available to vertebrates following the 2001 drawdown. Tree swallow (Tachycineta bicolor) eggs and nestlings were collected at two sites on Pool 8 and a nearby Reference site in 2000 (pre-2001 drawdown), 2001 (pre-2001 drawdown) and 2002 (post-2001 drawdown) and tissues were analyzed for mercury, other elements, and organochlorine contaminants. Bioindicator measurements of genetic damage, oxidative stress, ethoxyresorufin-O-dealkylase activity, and the ratio of liver to nestling mass were also measured in nestlings at all sites and all years. Based on a multivariate analysis, the 2001 drawdown of Pool 8 did not influence element concentrations, organochlorine concentrations, or bioindicator response. Concentrations of inorganic and organochlorine contaminants in tree swallow eggs and nestlings were not at toxic levels. Hatching success did not differ among years and was comparable to the nationwide average.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Environmental Monitoring and Assessment","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","collaboration":"6705_Custer.pdf","usgsCitation":"Custer, T., Dummer, P., Custer, C.M., Li, A., Warburton, D., Melancon, M.J., Hoffman, D.J., Matson, C.W., and Bickham, J., 2007, Water level management and contaminant exposure to tree swallows nesting on the Upper Mississippi River: Environmental Monitoring and Assessment, v. 133, no. 1-3, p. 335-345.","productDescription":"335-345","startPage":"335","endPage":"345","numberOfPages":"11","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":16836,"rank":200,"type":{"id":11,"text":"Document"},"url":"https://www.springerlink.com/content/r53k3178768j22l0/","linkFileType":{"id":5,"text":"html"}},{"id":202298,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"133","issue":"1-3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a08e4b07f02db5fa1e6","contributors":{"authors":[{"text":"Custer, T. W. 0000-0003-3170-6519","orcid":"https://orcid.org/0000-0003-3170-6519","contributorId":91802,"corporation":false,"usgs":true,"family":"Custer","given":"T. W.","affiliations":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"preferred":true,"id":342555,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Dummer, P.M.","contributorId":44892,"corporation":false,"usgs":true,"family":"Dummer","given":"P.M.","affiliations":[],"preferred":false,"id":342552,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Custer, Christine M. 0000-0003-0500-1582","orcid":"https://orcid.org/0000-0003-0500-1582","contributorId":31330,"corporation":false,"usgs":true,"family":"Custer","given":"Christine","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":342551,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Li, A.U.","contributorId":49494,"corporation":false,"usgs":true,"family":"Li","given":"A.U.","email":"","affiliations":[],"preferred":false,"id":342553,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Warburton, D.","contributorId":102610,"corporation":false,"usgs":true,"family":"Warburton","given":"D.","email":"","affiliations":[],"preferred":false,"id":342557,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Melancon, M. J.","contributorId":96206,"corporation":false,"usgs":true,"family":"Melancon","given":"M.","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":342556,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Hoffman, D. J.","contributorId":12801,"corporation":false,"usgs":true,"family":"Hoffman","given":"D.","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":342549,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Matson, C. W.","contributorId":24717,"corporation":false,"usgs":true,"family":"Matson","given":"C.","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":342550,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Bickham, J. W.","contributorId":87483,"corporation":false,"usgs":true,"family":"Bickham","given":"J. W.","affiliations":[],"preferred":false,"id":342554,"contributorType":{"id":1,"text":"Authors"},"rank":9}]}}
,{"id":5224785,"text":"5224785 - 2007 - Chytridiomycosis widespread in Anurans of Northeastern United States","interactions":[],"lastModifiedDate":"2021-06-04T18:02:56.08866","indexId":"5224785","displayToPublicDate":"2010-06-16T12:18:32","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2508,"text":"Journal of Wildlife Management","active":true,"publicationSubtype":{"id":10}},"title":"Chytridiomycosis widespread in Anurans of Northeastern United States","docAbstract":"An emerging disease of amphibians caused by the chytrid fungus Batrachochytrium dendrobatidis has been associated with morbidity, mortality, and extinction of species. Typically, researchers have detected B. dendrobatidis only when examining amphibians for causes of mortalities; few data exist on infection rates where mortalities are lacking. During May-September 2000-2002 we obtained amphibian specimens killed by vehicles and others collected at remote off-road sites throughout Maine, USA, and from federal lands in 5 states in the Northeast. We detected infected specimens, mostly green frogs (Rana clamitans), at 5 of 7 national wildlife refuges, a federal waterfowl production area, and Acadia National Park. Seven of 9 species, including all Ranidae species, were infected throughout Maine; rates ranged from 14.6% in American toads (Bufo americanus) to 25.7% in northern leopard frogs (Rana pipiens). We did not detect any infections in 50 eastern gray tree frogs (Hyla versicolor) or 21 spring peepers (Pseudacris crucifer). Species that hibernate in terrestrial habitats seem to have lower rates of infection than species that hibernate in aquatic habitats. Infections peaked in spring and autumn and were associated with air temperatures optimal for B. dendrobatidis growth. The relatively high infection rates among species without documented die-offs suggest that either losses have occurred undetected, that the fungus is endemic and species have attained a level of resistance to infections becoming lethal, or that climatic conditions of the Northeast have a role in preventing infections from being lethal. Data on prevalence and distribution of this chytrid fungus in the Northeast may be useful in modeling its origins and predicting long-term ecosystem effects involving anurans.
","language":"English","publisher":"BioOne Complete","doi":"10.2193/2006-345","usgsCitation":"Longcore, J.R., Longcore, J., Pessier, A.P., and Halteman, W., 2007, Chytridiomycosis widespread in Anurans of Northeastern United States: Journal of Wildlife Management, v. 71, no. 2, p. 435-444, https://doi.org/10.2193/2006-345.","productDescription":"9 p.","startPage":"435","endPage":"444","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":203150,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United 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\"}}]}","volume":"71","issue":"2","noUsgsAuthors":false,"publicationDate":"2010-12-13","publicationStatus":"PW","scienceBaseUri":"4f4e4abce4b07f02db672d13","contributors":{"authors":[{"text":"Longcore, J. R. 0000-0003-4898-5438","orcid":"https://orcid.org/0000-0003-4898-5438","contributorId":43835,"corporation":false,"usgs":true,"family":"Longcore","given":"J.","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":342664,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Longcore, J.E.","contributorId":102852,"corporation":false,"usgs":true,"family":"Longcore","given":"J.E.","email":"","affiliations":[],"preferred":false,"id":342666,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Pessier, Allan P.","contributorId":19130,"corporation":false,"usgs":false,"family":"Pessier","given":"Allan","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":342663,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Halteman, W.A.","contributorId":49087,"corporation":false,"usgs":true,"family":"Halteman","given":"W.A.","email":"","affiliations":[],"preferred":false,"id":342665,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":5224761,"text":"5224761 - 2007 - Herpetofauna of Mount Roraima, Guiana Shield Region, Northeastern South America","interactions":[],"lastModifiedDate":"2012-02-02T00:15:03","indexId":"5224761","displayToPublicDate":"2010-06-16T12:18:32","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1898,"text":"Herpetological Review","active":true,"publicationSubtype":{"id":10}},"title":"Herpetofauna of Mount Roraima, Guiana Shield Region, Northeastern South America","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Herpetological Review","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","collaboration":"6735_MacCulloch.pdf","usgsCitation":"MacCulloch, R., Lathrop, A., Reynolds, R., Senaris, J., and Schneider, G., 2007, Herpetofauna of Mount Roraima, Guiana Shield Region, Northeastern South America: Herpetological Review, v. 38, no. 1, p. 24-30.","productDescription":"24-30","startPage":"24","endPage":"30","numberOfPages":"7","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":198050,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"38","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a61e4b07f02db635baa","contributors":{"authors":[{"text":"MacCulloch, R.D.","contributorId":52293,"corporation":false,"usgs":true,"family":"MacCulloch","given":"R.D.","affiliations":[],"preferred":false,"id":342603,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Lathrop, A.","contributorId":49484,"corporation":false,"usgs":true,"family":"Lathrop","given":"A.","email":"","affiliations":[],"preferred":false,"id":342602,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Reynolds, R.P.","contributorId":104439,"corporation":false,"usgs":true,"family":"Reynolds","given":"R.P.","email":"","affiliations":[],"preferred":false,"id":342606,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Senaris, J.C.","contributorId":72488,"corporation":false,"usgs":true,"family":"Senaris","given":"J.C.","email":"","affiliations":[],"preferred":false,"id":342604,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Schneider, G.E.","contributorId":95170,"corporation":false,"usgs":true,"family":"Schneider","given":"G.E.","email":"","affiliations":[],"preferred":false,"id":342605,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":5224762,"text":"5224762 - 2007 - A multivariate assessment of changes in wetland habitat for waterbirds at Moosehorn National Wildlife Refuge, Maine, USA","interactions":[],"lastModifiedDate":"2012-02-02T00:15:30","indexId":"5224762","displayToPublicDate":"2010-06-16T12:18:32","publicationYear":"2007","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}},"title":"A multivariate assessment of changes in wetland habitat for waterbirds at Moosehorn National Wildlife Refuge, Maine, USA","docAbstract":"We assessed changes in vegetative structure of 49 impoundments at Moosehorn National Wildlife Refuge (MNWR), Maine, USA, between the periods 1984-1985 to 2002 with a multivariate, adaptive approach that may be useful in a variety of wetland and other habitat management situations. We used Mahalanobis Distance (MD) analysis to classify the refuge?s wetlands as poor or good waterbird habitat based on five variables: percent emergent vegetation, percent shrub, percent open water, relative richness of vegetative types, and an interspersion juxtaposition index that measures adjacency of vegetation patches. Mahalanobis Distance is a multivariate statistic that examines whether a particular data point is an outlier or a member of a data cluster while accounting for correlations among inputs. For each wetland, we used MD analysis to quantify a distance from a reference condition defined a priori by habitat conditions measured in MNWR wetlands used by waterbirds. Twenty-five wetlands declined in quality between the two periods, whereas 23 wetlands improved. We identified specific wetland characteristics that may be modified to improve habitat conditions for waterbirds. The MD analysis seems ideal for instituting an adaptive wetland management approach because metrics can be easily added or removed, ranges of target habitat conditions can be defined by field-collected data, and the analysis can identify priorities for single or multiple management objectives.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Wetlands","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","collaboration":"6736_Hierl.pdf","usgsCitation":"Hierl, L., Loftin, C., Longcore, J.R., McAuley, D., and Urban, D., 2007, A multivariate assessment of changes in wetland habitat for waterbirds at Moosehorn National Wildlife Refuge, Maine, USA: Wetlands, v. 27, no. 1, p. 141-152.","productDescription":"141-152","startPage":"141","endPage":"152","numberOfPages":"12","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":202080,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":16842,"rank":200,"type":{"id":11,"text":"Document"},"url":"https://www.bioone.org/perlserv/?request=get-abstract&doi=10.1672%2F0277-5212%282007%2927%5B141%3AAMAOCI%5D2.0.CO%3B2","linkFileType":{"id":5,"text":"html"}}],"volume":"27","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b23e4b07f02db6ade4d","contributors":{"authors":[{"text":"Hierl, L.A.","contributorId":46197,"corporation":false,"usgs":true,"family":"Hierl","given":"L.A.","email":"","affiliations":[],"preferred":false,"id":342609,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Loftin, C.S.","contributorId":92771,"corporation":false,"usgs":true,"family":"Loftin","given":"C.S.","email":"","affiliations":[],"preferred":false,"id":342611,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Longcore, J. R. 0000-0003-4898-5438","orcid":"https://orcid.org/0000-0003-4898-5438","contributorId":43835,"corporation":false,"usgs":true,"family":"Longcore","given":"J.","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":342608,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"McAuley, D.G. 0000-0003-3674-6392","orcid":"https://orcid.org/0000-0003-3674-6392","contributorId":15296,"corporation":false,"usgs":true,"family":"McAuley","given":"D.G.","affiliations":[],"preferred":false,"id":342607,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Urban, D.L.","contributorId":85925,"corporation":false,"usgs":true,"family":"Urban","given":"D.L.","email":"","affiliations":[],"preferred":false,"id":342610,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":5224719,"text":"5224719 - 2007 - Living in the branches: Population dynamics and ecological processes in dendritic networks","interactions":[],"lastModifiedDate":"2021-05-25T11:59:45.105909","indexId":"5224719","displayToPublicDate":"2010-06-16T12:18:32","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1466,"text":"Ecology Letters","active":true,"publicationSubtype":{"id":10}},"title":"Living in the branches: Population dynamics and ecological processes in dendritic networks","docAbstract":"Spatial structure regulates and modifies processes at several levels of ecological organization (e.g. individual/genetic, population and community) and is thus a key component of complex systems, where knowledge at a small scale can be insufficient for understanding system behaviour at a larger scale. Recent syntheses outline potential applications of network theory to ecological systems, but do not address the implications of physical structure for network dynamics. There is a specific need to examine how dendritic habitat structure, such as that found in stream, hedgerow and cave networks, influences ecological processes. Although dendritic networks are one type of ecological network, they are distinguished by two fundamental characteristics: (1) both the branches and the nodes serve as habitat, and (2) the specific spatial arrangement and hierarchical organization of these elements interacts with a species' movement behaviour to alter patterns of population distribution and abundance, and community interactions. Here, we summarize existing theory relating to ecological dynamics in dendritic networks, review empirical studies examining the population- and community-level consequences of these networks, and suggest future research integrating spatial pattern and processes in dendritic systems.","language":"English","publisher":"Wiley","doi":"10.1111/j.1461-0248.2006.01007.x","usgsCitation":"Grant, E., Lowe, W., and Fagan, W., 2007, Living in the branches: Population dynamics and ecological processes in dendritic networks: Ecology Letters, v. 10, no. 2, p. 165-175, https://doi.org/10.1111/j.1461-0248.2006.01007.x.","productDescription":"11 p.","startPage":"165","endPage":"175","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":201929,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"10","issue":"2","noUsgsAuthors":false,"publicationDate":"2007-01-08","publicationStatus":"PW","scienceBaseUri":"4f4e4b23e4b07f02db6adfc2","contributors":{"authors":[{"text":"Grant, E.H.C. 0000-0003-4401-6496","orcid":"https://orcid.org/0000-0003-4401-6496","contributorId":87242,"corporation":false,"usgs":true,"family":"Grant","given":"E.H.C.","affiliations":[],"preferred":false,"id":342473,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Lowe, W.H.","contributorId":91961,"corporation":false,"usgs":true,"family":"Lowe","given":"W.H.","affiliations":[],"preferred":false,"id":342474,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Fagan, W.F.","contributorId":105829,"corporation":false,"usgs":true,"family":"Fagan","given":"W.F.","email":"","affiliations":[],"preferred":false,"id":342475,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":5224784,"text":"5224784 - 2007 - Modeling and mapping abundance of American Woodcock across the Midwestern and Northeastern United States","interactions":[],"lastModifiedDate":"2021-06-04T18:16:53.630798","indexId":"5224784","displayToPublicDate":"2010-06-16T12:18:32","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2508,"text":"Journal of Wildlife Management","active":true,"publicationSubtype":{"id":10}},"title":"Modeling and mapping abundance of American Woodcock across the Midwestern and Northeastern United States","docAbstract":"We used an over-dispersed Poisson regression with fixed and random effects, fitted by Markov chain Monte Carlo methods, to model population spatial patterns of relative abundance of American woodcock (Scolopax minor) across its breeding range in the United States. We predicted North American woodcock Singing Ground Survey counts with a log-linear function of explanatory variables describing habitat, year effects, and observer effects. The model also included a conditional autoregressive term representing potential correlation between adjacent route counts. Categories of explanatory habitat variables in the model included land-cover composition, climate, terrain heterogeneity, and human influence. Woodcock counts were higher in landscapes with more forest, especially aspen (Populus tremuloides) and birch (Betula spp.) forest, and in locations with a high degree of interspersion among forest, shrubs, and grasslands. Woodcock counts were lower in landscapes with a high degree of human development. The most noteworthy practical application of this spatial modeling approach was the ability to map predicted relative abundance. Based on a map of predicted relative abundance derived from the posterior parameter estimates, we identified major concentrations of woodcock abundance in east-central Minnesota, USA, the intersection of Vermont, USA, New York, USA, and Ontario, Canada, the upper peninsula of Michigan, USA, and St. Lawrence County, New York. The functional relations we elucidated for the American woodcock provide a basis for the development of management programs and the model and map may serve to focus management and monitoring on areas and habitat features important to American woodcock.
","language":"English","publisher":"BioOne Complete","doi":"10.2193/2005-680","usgsCitation":"Thogmartin, W., Sauer, J., and Knutson, M.G., 2007, Modeling and mapping abundance of American Woodcock across the Midwestern and Northeastern United States: Journal of Wildlife Management, v. 71, no. 2, p. 376-382, https://doi.org/10.2193/2005-680.","productDescription":"7 p.","startPage":"376","endPage":"382","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":202455,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Canada, United States","otherGeospatial":"Midwest, Northeast","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -96.591796875,\n 41.83682786072714\n ],\n [\n -83.75976562499999,\n 41.77131167976404\n ],\n [\n -70.400390625,\n 42.553080288955776\n ],\n [\n -69.521484375,\n 43.64402584769947\n ],\n [\n -66.62109375,\n 44.33956524809713\n ],\n [\n -68.29101562499999,\n 48.69096039092549\n ],\n [\n -72.24609375,\n 45.336701909968134\n ],\n [\n -82.265625,\n 47.45780853075031\n ],\n [\n -97.20703125,\n 48.980216985374966\n ],\n [\n -96.591796875,\n 41.83682786072714\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"71","issue":"2","noUsgsAuthors":false,"publicationDate":"2010-12-13","publicationStatus":"PW","scienceBaseUri":"4f4e4a26e4b07f02db60f5ef","contributors":{"authors":[{"text":"Thogmartin, W.E. 0000-0002-2384-4279","orcid":"https://orcid.org/0000-0002-2384-4279","contributorId":26392,"corporation":false,"usgs":true,"family":"Thogmartin","given":"W.E.","affiliations":[],"preferred":false,"id":342660,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Sauer, J.R. 0000-0002-4557-3019","orcid":"https://orcid.org/0000-0002-4557-3019","contributorId":66197,"corporation":false,"usgs":true,"family":"Sauer","given":"J.R.","affiliations":[],"preferred":false,"id":342662,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Knutson, M. G.","contributorId":55375,"corporation":false,"usgs":false,"family":"Knutson","given":"M.","email":"","middleInitial":"G.","affiliations":[],"preferred":false,"id":342661,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":5224787,"text":"5224787 - 2007 - Stable isotope and pen feeding trial studies confirm the value of horseshoe crab Limulus polyphemus eggs to spring migrant shorebirds in Delaware Bay","interactions":[],"lastModifiedDate":"2021-06-01T17:56:59.938774","indexId":"5224787","displayToPublicDate":"2010-06-16T12:18:32","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2190,"text":"Journal of Avian Biology","active":true,"publicationSubtype":{"id":10}},"displayTitle":"Stable isotope and pen feeding trial studies confirm the value of horseshoe crab Limulus polyphemus eggs to spring migrant shorebirds in Delaware Bay","title":"Stable isotope and pen feeding trial studies confirm the value of horseshoe crab Limulus polyphemus eggs to spring migrant shorebirds in Delaware Bay","docAbstract":"We used stable isotope (SI) methods in combination with pen feeding trials to determine the importance of eggs of the Atlantic horseshoe crab Limulus polyphemus to migratory fattening of red knots Calidris canutus rufa and ruddy turnstones Arenaria interpres morinella during spring stopover in Delaware Bay. By manifesting measurable fractionation (ca +3‰) and rapid turnover, blood plasma δ15 nitrogen proved a functional marker for SI diet tracking during the short 3-week stopover. Blood samples from free-ranging knots (3 data sets) and turnstones (1 data set) produced similar convergence of plasma δ15N signatures with increasing body mass that indicated highly similar diets. Asymptotes deviated slightly (0.3‰ to 0.7‰) from that of captive shorebirds fed a diet of only crab eggs during stopover, thus confirming a strong crab egg-shorebird linkage. The plasma δ15N crab-egg diet asymptote was enriched ca +4.5‰ and therefore readily discriminated from that of either blue mussels Mytilus edulis or coquina clams Donax variabilis, the most likely alternative prey of knots in Delaware Bay. Crab eggs were highly palatable to captive knots and turnstones which achieved rates of mass gain (3–11 g/d) comparable to that of free-ranging birds. Peak consumption rates during hyperphagic events were 23,940 and 19,360 eggs/bird/d, respectively. The empirical conversions of eggs consumed to body mass gained (5,017 eggs/g for knots and 4,320 eggs/g for turnstones) indicate the large quantities of crab eggs required for the maintenance of these shorebird populations during stopover.
","language":"English","publisher":"Wiley Online","doi":"10.1111/j.0908-8857.2007.03898.x","usgsCitation":"Haramis, G., Link, W., Osenton, P., Carter, D.B., Weber, R., Clark, N., Teece, M., and Mizrahi, D., 2007, Stable isotope and pen feeding trial studies confirm the value of horseshoe crab Limulus polyphemus eggs to spring migrant shorebirds in Delaware Bay: Journal of Avian Biology, v. 38, no. 3, p. 367-376, https://doi.org/10.1111/j.0908-8857.2007.03898.x.","productDescription":"10 p.","startPage":"367","endPage":"376","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":203046,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Delaware","otherGeospatial":"Delaware Bay","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -75.399169921875,\n 39.07037913108751\n ],\n [\n -75.2783203125,\n 38.846125291387025\n ],\n [\n -75.11077880859375,\n 38.777640223073355\n ],\n [\n -74.94873046875,\n 38.852542390364235\n ],\n [\n -74.97344970703124,\n 38.98503278695909\n ],\n [\n -74.90478515625,\n 39.091699613104595\n ],\n [\n -74.9212646484375,\n 39.1854331703021\n ],\n [\n -75.39642333984374,\n 39.22799807055236\n ],\n [\n -75.399169921875,\n 39.07037913108751\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"38","issue":"3","noUsgsAuthors":false,"publicationDate":"2007-11-06","publicationStatus":"PW","scienceBaseUri":"4f4e49e1e4b07f02db5e4921","contributors":{"authors":[{"text":"Haramis, G.M.","contributorId":101212,"corporation":false,"usgs":true,"family":"Haramis","given":"G.M.","email":"","affiliations":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"preferred":false,"id":342679,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Link, W.A. 0000-0002-9913-0256","orcid":"https://orcid.org/0000-0002-9913-0256","contributorId":8815,"corporation":false,"usgs":true,"family":"Link","given":"W.A.","affiliations":[],"preferred":false,"id":342672,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Osenton, P.C.","contributorId":20441,"corporation":false,"usgs":true,"family":"Osenton","given":"P.C.","affiliations":[],"preferred":false,"id":342674,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Carter, Daniel B.","contributorId":18880,"corporation":false,"usgs":true,"family":"Carter","given":"Daniel","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":342673,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Weber, R.G.","contributorId":38686,"corporation":false,"usgs":true,"family":"Weber","given":"R.G.","affiliations":[],"preferred":false,"id":342678,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Clark, N.A.","contributorId":27596,"corporation":false,"usgs":true,"family":"Clark","given":"N.A.","email":"","affiliations":[],"preferred":false,"id":342675,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Teece, M.A.","contributorId":31882,"corporation":false,"usgs":true,"family":"Teece","given":"M.A.","affiliations":[],"preferred":false,"id":342676,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Mizrahi, D.S.","contributorId":34237,"corporation":false,"usgs":true,"family":"Mizrahi","given":"D.S.","email":"","affiliations":[],"preferred":false,"id":342677,"contributorType":{"id":1,"text":"Authors"},"rank":8}]}}
,{"id":5224713,"text":"5224713 - 2007 - Effects of dietary PCB exposure on reproduction in the white-footed mouse (Peromyscus leucopus)","interactions":[],"lastModifiedDate":"2021-05-17T17:38:07.53607","indexId":"5224713","displayToPublicDate":"2010-06-16T12:18:32","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":887,"text":"Archives of Environmental Contamination and Toxicology","active":true,"publicationSubtype":{"id":10}},"displayTitle":"Effects of Dietary PCB Exposure on Reproduction in the White-Footed Mouse (Peromyscus leucopus)","title":"Effects of dietary PCB exposure on reproduction in the white-footed mouse (Peromyscus leucopus)","docAbstract":"Studies of the impact of environmental contaminants on reproduction have typically focused on effects on fertility and subsequent reproductive failure. Contaminants may also impact reproductive output or other aspects of life history through effects on resource acquisition or allocation. We fed successfully breeding female white-footed mice (Peromyscus leucopus) diets containing polychlorinated biphenyls (2:1 Aroclor 1242:1254) at levels of 0 (n = 10), 10 (n = 12), and 25 (n = 10) ppm (mg polychlorinated biphenyls [PCBs]/kg food). After 4 months on the diets, female mice were bred with male mice maintained on control food. There was no effect of PCB exposure on litter size at birth or weaning, although fewer female mice on the 25-ppm diet gave birth. There was no effect of PCB dose on maternal metabolic rate at peak lactation or on total food (dry matter) intake during lactation. Female mice on the 10-ppm diet, however, consumed more food per pup during lactation and weaned larger pups, although these differences disappeared after 4 weeks of age. We conclude that although moderate-term exposure to PCBs did decrease the number of litters produced for high-dose female mice, it did not change litter size, pup growth rate, or energetic measures for those female mice that did successfully reproduce.","language":"English","publisher":"Springer","doi":"10.1007/s00244-006-0045-z","usgsCitation":"Voltura, M., and French, J., 2007, Effects of dietary PCB exposure on reproduction in the white-footed mouse (Peromyscus leucopus): Archives of Environmental Contamination and Toxicology, v. 52, no. 2, p. 264-269, https://doi.org/10.1007/s00244-006-0045-z.","productDescription":"6 p.","startPage":"264","endPage":"269","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":202296,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"52","issue":"2","noUsgsAuthors":false,"publicationDate":"2006-12-07","publicationStatus":"PW","scienceBaseUri":"4f4e4ae2e4b07f02db688cb0","contributors":{"authors":[{"text":"Voltura, M.B.","contributorId":53500,"corporation":false,"usgs":true,"family":"Voltura","given":"M.B.","email":"","affiliations":[],"preferred":false,"id":342461,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"French, J.B. 0000-0001-8901-7092","orcid":"https://orcid.org/0000-0001-8901-7092","contributorId":13944,"corporation":false,"usgs":true,"family":"French","given":"J.B.","affiliations":[],"preferred":false,"id":342460,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":5224765,"text":"5224765 - 2007 - Estimating species-specific suvival and movement when species identification is uncertain","interactions":[],"lastModifiedDate":"2021-05-25T11:56:48.501352","indexId":"5224765","displayToPublicDate":"2010-06-16T12:18:32","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1465,"text":"Ecology","active":true,"publicationSubtype":{"id":10}},"title":"Estimating species-specific suvival and movement when species identification is uncertain","docAbstract":"Incorporating uncertainty in the investigation of ecological studies has been the topic of an increasing body of research. In particular, mark-recapture methodology has shown that incorporating uncertainty in the probability of detecting individuals in populations enables accurate estimation of population-level processes such as survival, reproduction, and dispersal. Recent advances in mark-recapture methodology have included estimating population-level processes for biologically important groups despite the misassignment of individuals to those groups. Examples include estimating rates of apparent survival despite less than perfect accuracy when identifying individuals to gender or breeding state. Here we introduce a method for estimating apparent survival and dispersal in species that co-occur but that are difficult to distinguish. We use data from co-occurring populations of meadow voles (Microtus pennsylvanicus) and montane voles (M. montanus) in addition to simulated data to show that ignoring species uncertainty can lead to biased estimates of population processes. The incorporation of species uncertainty in mark-recapture studies should aid future research investigating ecological concepts such as interspecific competition, niche differentiation, and spatial population dynamics in sibling species.
","language":"English","publisher":"Wiley","doi":"10.1890/0012-9658(2007)88[282:ESSAMW]2.0.CO;2","usgsCitation":"Runge, J., Hines, J., and Nichols, J., 2007, Estimating species-specific suvival and movement when species identification is uncertain: Ecology, v. 88, no. 2, p. 282-288, https://doi.org/10.1890/0012-9658(2007)88[282:ESSAMW]2.0.CO;2.","productDescription":"7 p.","startPage":"282","endPage":"288","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":201498,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":16844,"rank":200,"type":{"id":11,"text":"Document"},"url":"https://www.esajournals.org/doi/abs/10.1890/0012-9658(2007)88%5B282%3AESSAMW%5D2.0.CO%3B2","linkFileType":{"id":5,"text":"html"}}],"volume":"88","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ae2e4b07f02db688be6","contributors":{"authors":[{"text":"Runge, J.P.","contributorId":57180,"corporation":false,"usgs":true,"family":"Runge","given":"J.P.","email":"","affiliations":[],"preferred":false,"id":342619,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hines, J.E. 0000-0001-5478-7230","orcid":"https://orcid.org/0000-0001-5478-7230","contributorId":36885,"corporation":false,"usgs":true,"family":"Hines","given":"J.E.","affiliations":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"preferred":false,"id":342618,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Nichols, J.D. 0000-0002-7631-2890","orcid":"https://orcid.org/0000-0002-7631-2890","contributorId":14332,"corporation":false,"usgs":true,"family":"Nichols","given":"J.D.","affiliations":[],"preferred":false,"id":342617,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":5224712,"text":"5224712 - 2007 - Dermal insecticide residues from birds inhabiting an orchard","interactions":[],"lastModifiedDate":"2021-05-25T17:02:03.490275","indexId":"5224712","displayToPublicDate":"2010-06-16T12:18:32","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1552,"text":"Environmental Monitoring and Assessment","onlineIssn":"1573-2959","printIssn":"0167-6369","active":true,"publicationSubtype":{"id":10}},"title":"Dermal insecticide residues from birds inhabiting an orchard","docAbstract":"The US Environmental Protection Agency conducts risk assessments of insecticide applications to wild birds using a model that is limited to the dietary route of exposure. However, free-flying birds are also exposed to insecticides via the inhalation and dermal routes. We measured azinphos-methyl residues on the skin plus feathers and the feet of brown-headed cowbirds (Molothrus ater) in order to quantify dermal exposure to songbirds that entered and inhabited an apple (Malus x domestica) orchard following an insecticide application. Exposure to azinphos-methyl was measured by sampling birds from an aviary that was built around an apple tree. Birds sampled at 36 h and 7-day post-application were placed in the aviary within 1 h after the application whereas birds exposed for 3 days were released into the aviary 4-day post-application. Residues on vegetation and soil were also measured. Azinphos-methyl residues were detected from the skin plus feathers and the feet from all exposure periods. Our results underscore the importance of incorporating dermal exposure into avian pesticide risk assessments.
","language":"English","publisher":"Springer","doi":"10.1007/s10661-006-9573-2","usgsCitation":"Vyas, N., Spann, J.W., Hulse, C., Gentry, S., and Borges, S., 2007, Dermal insecticide residues from birds inhabiting an orchard: Environmental Monitoring and Assessment, v. 133, no. 1-3, p. 209-214, https://doi.org/10.1007/s10661-006-9573-2.","productDescription":"6 p.","startPage":"209","endPage":"214","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":201601,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"133","issue":"1-3","noUsgsAuthors":false,"publicationDate":"2006-12-14","publicationStatus":"PW","scienceBaseUri":"4f4e4ab0e4b07f02db66dde0","contributors":{"authors":[{"text":"Vyas, N.B. 0000-0003-0191-1319","orcid":"https://orcid.org/0000-0003-0191-1319","contributorId":65567,"corporation":false,"usgs":true,"family":"Vyas","given":"N.B.","affiliations":[],"preferred":false,"id":342457,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Spann, J. W.","contributorId":93435,"corporation":false,"usgs":true,"family":"Spann","given":"J.","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":342458,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Hulse, C.S.","contributorId":26035,"corporation":false,"usgs":true,"family":"Hulse","given":"C.S.","email":"","affiliations":[],"preferred":false,"id":342455,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Gentry, S.","contributorId":41938,"corporation":false,"usgs":true,"family":"Gentry","given":"S.","email":"","affiliations":[],"preferred":false,"id":342456,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Borges, S.L.","contributorId":101344,"corporation":false,"usgs":true,"family":"Borges","given":"S.L.","email":"","affiliations":[],"preferred":false,"id":342459,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":5224723,"text":"5224723 - 2007 - Riparian influences on stream fish assemblage structure in urbanizing streams","interactions":[],"lastModifiedDate":"2021-06-07T16:33:16.377296","indexId":"5224723","displayToPublicDate":"2010-06-16T12:18:32","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2602,"text":"Landscape Ecology","active":true,"publicationSubtype":{"id":10}},"title":"Riparian influences on stream fish assemblage structure in urbanizing streams","docAbstract":"We assessed the influence of land cover at multiple spatial extents on fish assemblage integrity, and the degree to which riparian forests can mitigate the negative effects of catchment urbanization on stream fish assemblages. Riparian cover (urban, forest, and agriculture) was determined within 30 m buffers at longitudinal distances of 200 m, 1 km, and the entire network upstream of 59 non-nested fish sampling locations. Catchment and riparian land cover within the upstream network were highly correlated, so we were unable to distinguish between those variables. Most fish assemblage variables were related to % forest and % urban land cover, with the strongest relations at the largest spatial extent of land cover (catchment), followed by riparian land cover in the 1-km and 200-m reach, respectively. For fish variables related to urban land cover in the catchment, we asked whether the influence of riparian land cover on fish assemblages was dependent on the amount of urban development in the catchment. Several fish assemblage metrics (endemic richness, endemic:cosmopolitan abundance, insectivorous cyprinid richness and abundance, and fluvial specialist richness) were all best predicted by single variable models with % urban land cover. However, endemic:cosmopolitan richness, cosmopolitan abundance, and lentic tolerant abundance were related to % forest cover in the 1-km stream reach, but only in streams that had <15% catchment urban land cover. In these cases, catchment urbanization overwhelmed the potential mitigating effects of riparian forests on stream fishes. Together, these results suggest that catchment land cover is an important driver of fish assemblages in urbanizing catchments, and riparian forests are important but not sufficient for protecting stream ecosystems from the impacts of high levels of urbanization.","language":"English","publisher":"SpringerLink","doi":"10.1007/s10980-006-9034-x","usgsCitation":"Roy, A., Freeman, B.J., and Freeman, M.C., 2007, Riparian influences on stream fish assemblage structure in urbanizing streams: Landscape Ecology, v. 22, no. 3, p. 385-402, https://doi.org/10.1007/s10980-006-9034-x.","productDescription":"18 p.","startPage":"385","endPage":"402","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":202566,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"22","issue":"3","noUsgsAuthors":false,"publicationDate":"2006-11-21","publicationStatus":"PW","scienceBaseUri":"4f4e4b28e4b07f02db6b15da","contributors":{"authors":[{"text":"Roy, A.H.","contributorId":24065,"corporation":false,"usgs":true,"family":"Roy","given":"A.H.","email":"","affiliations":[],"preferred":false,"id":342484,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Freeman, B. J.","contributorId":8031,"corporation":false,"usgs":true,"family":"Freeman","given":"B.","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":342483,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Freeman, Mary C. 0000-0001-7615-6923","orcid":"https://orcid.org/0000-0001-7615-6923","contributorId":99659,"corporation":false,"usgs":true,"family":"Freeman","given":"Mary","email":"","middleInitial":"C.","affiliations":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"preferred":false,"id":342485,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":5224766,"text":"5224766 - 2007 - Adult tree swallow (Tachycineta bicolor) survival on the polychlorinated biphenyl-contaminated Housatonic River, Massachusetts, USA","interactions":[],"lastModifiedDate":"2021-05-27T12:03:50.306294","indexId":"5224766","displayToPublicDate":"2010-06-16T12:18:32","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1571,"text":"Environmental Toxicology and Chemistry","active":true,"publicationSubtype":{"id":10}},"displayTitle":"Adult tree swallow (Tachycineta bicolor) survival on the polychlorinated biphenyl-contaminated Housatonic River, Massachusetts, USA","title":"Adult tree swallow (Tachycineta bicolor) survival on the polychlorinated biphenyl-contaminated Housatonic River, Massachusetts, USA","docAbstract":"Tree swallows (Tachycineta bicolor) were captured and banded at six sites that differed in polychlorinated biphenyl (PCB) contamination levels in the Housatonic River watershed, western Massachusetts, USA, from 2000 through 2004 to test the prediction that apparent survival rates of females in more contaminated areas were lower than those from less contaminated areas. We also tested whether plumage coloration affected over-winter survival and whether concentrations of PCBs in eggs differed between birds that did and that did not return the following year. Apparent survival rates were calculated using mark-recapture methods and compared using Akaike's Information Criterion. Model-adjusted survival rates ranged from 0.365 to 0.467 for PCB-contaminated females and between 0.404 and 0.476 for reference females. Models with either survival or capture probability modeled as functions of treatment (degree of PCB contamination), year, and age received some support. The model-averaged parameter estimate reflecting a treatment effect for high-PCB birds was negative (![\"equation](\"https://setac.onlinelibrary.wiley.com/cms/asset/12456380-232c-4c3b-99a3-004b230c39a3/nueqn001.gif\")
= −0.046, SE() = 0.0939). Fifty-four percent of the total model weights involved models in which survival was a function of PCB treatment. Eggs were collected for contaminant analyses from a random sample of females that did and that did not return the following year. Concentrations of total PCBs were the same or higher in the eggs of females that returned compared to the eggs of those that did not return at both the highly and the moderately contaminated PCB sites. This may have resulted from higher-quality females with higher lipid reserves being more likely than lower-quality females to return the following year. Percentage lipid was positively correlated with total PCBs in eggs. Survival rates were similar among swallows with brown versus blue plumage.
","language":"English","publisher":"Wiley","doi":"10.1897/06-337R.1","usgsCitation":"Custer, C.M., Custer, T., Hines, J., Nichols, J., and Dummer, P., 2007, Adult tree swallow (Tachycineta bicolor) survival on the polychlorinated biphenyl-contaminated Housatonic River, Massachusetts, USA: Environmental Toxicology and Chemistry, v. 26, no. 5, p. 1056-1065, https://doi.org/10.1897/06-337R.1.","productDescription":"10 p.","startPage":"1056","endPage":"1065","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":476864,"rank":1,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1897/06-337r.1","text":"Publisher Index Page"},{"id":202263,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Massachusetts","otherGeospatial":"Housatonic River","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -73.25065612792967,\n 42.31286205312122\n ],\n [\n -73.22868347167969,\n 42.31286205312122\n ],\n [\n -73.22868347167969,\n 42.43663368650024\n ],\n [\n -73.25065612792967,\n 42.43663368650024\n ],\n [\n -73.25065612792967,\n 42.31286205312122\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"26","issue":"5","noUsgsAuthors":false,"publicationDate":"2007-05-01","publicationStatus":"PW","scienceBaseUri":"4f4e4b03e4b07f02db698dfe","contributors":{"authors":[{"text":"Custer, Christine M. 0000-0003-0500-1582","orcid":"https://orcid.org/0000-0003-0500-1582","contributorId":31330,"corporation":false,"usgs":true,"family":"Custer","given":"Christine","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":342621,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Custer, T. W. 0000-0003-3170-6519","orcid":"https://orcid.org/0000-0003-3170-6519","contributorId":91802,"corporation":false,"usgs":true,"family":"Custer","given":"T. W.","affiliations":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"preferred":true,"id":342624,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Hines, J.E. 0000-0001-5478-7230","orcid":"https://orcid.org/0000-0001-5478-7230","contributorId":36885,"corporation":false,"usgs":true,"family":"Hines","given":"J.E.","affiliations":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"preferred":false,"id":342622,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Nichols, J.D. 0000-0002-7631-2890","orcid":"https://orcid.org/0000-0002-7631-2890","contributorId":14332,"corporation":false,"usgs":true,"family":"Nichols","given":"J.D.","affiliations":[],"preferred":false,"id":342620,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Dummer, P.M.","contributorId":44892,"corporation":false,"usgs":true,"family":"Dummer","given":"P.M.","affiliations":[],"preferred":false,"id":342623,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":5224767,"text":"5224767 - 2007 - Herbivory by resident geese: The loss and recovery of wild rice along the tidal Patuxent River","interactions":[],"lastModifiedDate":"2018-08-15T16:42:09","indexId":"5224767","displayToPublicDate":"2010-06-16T12:18:32","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2508,"text":"Journal of Wildlife Management","active":true,"publicationSubtype":{"id":10}},"title":"Herbivory by resident geese: The loss and recovery of wild rice along the tidal Patuxent River","docAbstract":"Well known for a fall spectacle of maturing wild rice (Zizania aquatica) and migrant waterbirds, the tidal freshwater marshes of the Patuxent River, Maryland, USA, experienced a major decline in wild rice during the 1990s. We conducted experiments in 1999 and 2000 with fenced exclosures and discovered herbivory by resident Canada geese (Branta canadensis). Grazing by geese eliminated rice outside exclosures, whereas protected plants achieved greater size, density, and produced more panicles than rice occurring in natural stands. The observed loss of rice on the Patuxent River reflects both the sensitivity of this annual plant to herbivory and the destructive nature of an overabundance of resident geese on natural marsh vegetation. Recovery of rice followed 2 management actions: hunting removal of approximately 1,700 geese during a 4-year period and reestablishment of rice through a large-scale fencing and planting program.
","language":"English","publisher":"Wildlife Society","doi":"10.2193/2006-350","usgsCitation":"Haramis, G., and Kearns, G.D., 2007, Herbivory by resident geese: The loss and recovery of wild rice along the tidal Patuxent River: Journal of Wildlife Management, v. 71, no. 3, p. 788-794, https://doi.org/10.2193/2006-350.","productDescription":"7 p.","startPage":"788","endPage":"794","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":195978,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Maryland","otherGeospatial":"Patuxent River","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -76.73194885253906,\n 38.70694605159386\n ],\n [\n -76.67324066162108,\n 38.70694605159386\n ],\n [\n -76.67324066162108,\n 38.80225962384822\n ],\n [\n -76.73194885253906,\n 38.80225962384822\n ],\n [\n -76.73194885253906,\n 38.70694605159386\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"71","issue":"3","noUsgsAuthors":false,"publicationDate":"2010-12-13","publicationStatus":"PW","scienceBaseUri":"4f4e4a61e4b07f02db635c35","contributors":{"authors":[{"text":"Haramis, G. Michael mharamis@usgs.gov","contributorId":4001,"corporation":false,"usgs":true,"family":"Haramis","given":"G. Michael","email":"mharamis@usgs.gov","affiliations":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"preferred":false,"id":342626,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Kearns, Gregory D.","contributorId":28331,"corporation":false,"usgs":false,"family":"Kearns","given":"Gregory","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":342625,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":5224768,"text":"5224768 - 2007 - Deer exposed to exceptionally high concentrations of lead near the Continental Mine in Idaho, USA","interactions":[],"lastModifiedDate":"2021-05-27T12:02:40.852863","indexId":"5224768","displayToPublicDate":"2010-06-16T12:18:32","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1571,"text":"Environmental Toxicology and Chemistry","active":true,"publicationSubtype":{"id":10}},"title":"Deer exposed to exceptionally high concentrations of lead near the Continental Mine in Idaho, USA","docAbstract":"Habitat surrounding the inactive Continental Mine in northern Idaho, USA, supports bear (Ursus arctos, Ursus americanus), moose (Alces alces), elk (Cervus elaphus), woodland caribou (Rangifer tarandus caribou), and abundant mule (Odocoileus hemionus) and white-tailed deer (Odocoileus virginianus). Tailings on the mining site were capped and remediated in 2003 to reduce environmental exposure of surrounding soil and sediments of Blue Joe Creek, downslope of the mine. Before capping, the mean Pb concentration in deer pellets collected on-site was 920 mg/kg of Pb (dry wt). This exposure, if chronic, would be comparable to an exposure that could be lethal to cattle or horses. Surprisingly, the mean pellet Pb concentration of 950 mg/kg in 2004 was as high as it was before remediation, and it was related to a high rate of soil ingestion. Mean soil content of the pellets collected from the capped site in 2004 was 22% dry weight, estimated from the acid-insoluble ash, a marker of soil ingestion. Clumps of sand and bits of rock were observed inside some of the pellets, and Pb concentrations in the pellets were correlated (p < 0.05) with soil content. Although terrestrial risk assessments generally estimate exposure from diets and from incidentally ingested soil, the deer at this site were directly ingesting contaminated soil or mining waste. The mean Pb concentration of this ingested soil was estimated as 6,700 mg/kg and the maximum as 25,000 mg/kg, well above the Pb concentrations measured in the remediated cap. The deer seemed to be ingesting soil or mining waste from one or more small but highly contaminated sources located beyond the remediated cap.
","largerWorkTitle":"Wiley","language":"English","doi":"10.1897/06-304R.1","usgsCitation":"Beyer, W., Gaston, G., Brazzle, R., O'Connell, A., and Audet, D., 2007, Deer exposed to exceptionally high concentrations of lead near the Continental Mine in Idaho, USA: Environmental Toxicology and Chemistry, v. 26, no. 5, p. 1040-1046, https://doi.org/10.1897/06-304R.1.","productDescription":"7 p.","startPage":"1040","endPage":"1046","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":202264,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Idaho","otherGeospatial":"Continental Mine","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -117.03186035156251,\n 48.79600890414036\n ],\n [\n -116.5374755859375,\n 48.79600890414036\n ],\n [\n -116.5374755859375,\n 48.98382212608503\n ],\n [\n -117.03186035156251,\n 48.98382212608503\n ],\n [\n -117.03186035156251,\n 48.79600890414036\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"26","issue":"5","noUsgsAuthors":false,"publicationDate":"2007-05-01","publicationStatus":"PW","scienceBaseUri":"4f4e4abbe4b07f02db67257d","contributors":{"authors":[{"text":"Beyer, W. N. 0000-0002-8911-9141","orcid":"https://orcid.org/0000-0002-8911-9141","contributorId":55379,"corporation":false,"usgs":true,"family":"Beyer","given":"W. N.","affiliations":[],"preferred":false,"id":342629,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Gaston, G.","contributorId":98439,"corporation":false,"usgs":true,"family":"Gaston","given":"G.","email":"","affiliations":[],"preferred":false,"id":342631,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Brazzle, R.","contributorId":85300,"corporation":false,"usgs":true,"family":"Brazzle","given":"R.","affiliations":[],"preferred":false,"id":342630,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"O'Connell, A.F. Jr. 0000-0001-7032-7023","orcid":"https://orcid.org/0000-0001-7032-7023","contributorId":24055,"corporation":false,"usgs":true,"family":"O'Connell","given":"A.F.","suffix":"Jr.","affiliations":[],"preferred":false,"id":342627,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Audet, D. J.","contributorId":38949,"corporation":false,"usgs":false,"family":"Audet","given":"D. J.","affiliations":[],"preferred":false,"id":342628,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":5224788,"text":"5224788 - 2007 - Model estimation of land-use effects on water levels of northern Prairie wetlands","interactions":[],"lastModifiedDate":"2021-05-21T18:35:03.724299","indexId":"5224788","displayToPublicDate":"2010-06-16T12:18:32","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1450,"text":"Ecological Applications","active":true,"publicationSubtype":{"id":10}},"title":"Model estimation of land-use effects on water levels of northern Prairie wetlands","docAbstract":"Wetlands of the Prairie Pothole Region exist in a matrix of grassland dominated by intensive pastoral and cultivation agriculture. Recent conservation management has emphasized the conversion of cultivated farmland and degraded pastures to intact grassland to improve upland nesting habitat. The consequences of changes in land-use cover that alter watershed processes have not been evaluated relative to their effect on the water budgets and vegetation dynamics of associated wetlands. We simulated the effect of upland agricultural practices on the water budget and vegetation of a semipermanent prairie wetland by modifying a previously published mathematical model (WETSIM). Watershed cover/land-use practices were categorized as unmanaged grassland (native grass, smooth brome), managed grassland (moderately heavily grazed, prescribed burned), cultivated crops (row crop, small grain), and alfalfa hayland. Model simulations showed that differing rates of evapotranspiration and runoff associated with different upland plant-cover categories in the surrounding catchment produced differences in wetland water budgets and linked ecological dynamics. Wetland water levels were highest and vegetation the most dynamic under the managed-grassland simulations, while water levels were the lowest and vegetation the least dynamic under the unmanaged-grassland simulations. The modeling results suggest that unmanaged grassland, often planted for waterfowl nesting, may produce the least favorable wetland conditions for birds, especially in drier regions of the Prairie Pothole Region. These results stand as hypotheses that urgently need to be verified with empirical data.","language":"English","publisher":"Wiley Online","doi":"10.1890/05-1195","usgsCitation":"Voldseth, R., Johnson, W., Gilmanov, T., Guntenspergen, G., and Millett, B., 2007, Model estimation of land-use effects on water levels of northern Prairie wetlands: Ecological Applications, v. 17, no. 2, p. 527-540, https://doi.org/10.1890/05-1195.","productDescription":"14 p.","startPage":"527","endPage":"540","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":202770,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Canada, United States","state":"Iowa, Minnesota, Montana, Nebraska, North Dakota, South Dakota","otherGeospatial":"Prairie Pothole Region","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -116.54296874999999,\n 50.233151832472245\n ],\n [\n -108.896484375,\n 47.87214396888731\n ],\n [\n -104.94140625,\n 47.45780853075031\n ],\n [\n -102.39257812499999,\n 47.635783590864854\n ],\n [\n -101.162109375,\n 44.402391829093915\n ],\n [\n -99.40429687500001,\n 42.74701217318067\n ],\n [\n -95.88867187500001,\n 41.57436130598913\n ],\n [\n -95.625,\n 45.89000815866182\n ],\n [\n -95.888671875,\n 49.89463439573421\n ],\n [\n -111.884765625,\n 51.56341232867585\n ],\n [\n -116.54296874999999,\n 50.233151832472245\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"17","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b05e4b07f02db699b3d","contributors":{"authors":[{"text":"Voldseth, R.A.","contributorId":80778,"corporation":false,"usgs":true,"family":"Voldseth","given":"R.A.","affiliations":[],"preferred":false,"id":342683,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Johnson, W.C.","contributorId":68003,"corporation":false,"usgs":true,"family":"Johnson","given":"W.C.","email":"","affiliations":[],"preferred":false,"id":342681,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Gilmanov, T.","contributorId":72892,"corporation":false,"usgs":true,"family":"Gilmanov","given":"T.","email":"","affiliations":[],"preferred":false,"id":342682,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Guntenspergen, G.R. 0000-0002-8593-0244","orcid":"https://orcid.org/0000-0002-8593-0244","contributorId":95424,"corporation":false,"usgs":true,"family":"Guntenspergen","given":"G.R.","affiliations":[],"preferred":false,"id":342684,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Millett, B.V.","contributorId":48274,"corporation":false,"usgs":true,"family":"Millett","given":"B.V.","email":"","affiliations":[],"preferred":false,"id":342680,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":5224732,"text":"5224732 - 2007 - Biomechanical factors contributing to self-organization in seagrass landscapes","interactions":[],"lastModifiedDate":"2021-06-03T12:12:53.51855","indexId":"5224732","displayToPublicDate":"2010-06-16T12:18:32","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2277,"text":"Journal of Experimental Marine Biology and Ecology","active":true,"publicationSubtype":{"id":10}},"title":"Biomechanical factors contributing to self-organization in seagrass landscapes","docAbstract":"Field observations have revealed that when water flow is consistently from one direction, seagrass shoots align in rows perpendicular to the primary axis of flow direction. In this study, live Zostera marina shoots were arranged either randomly or in rows perpendicular to the flow direction and tested in a seawater flume under unidirectional flow and waves to determine if shoot arrangement: a) influenced flow-induced force on individual shoots, b) differentially altered water flow through the canopy, and c) influenced light interception by the canopy. In addition, blade breaking strength was compared with flow-induced force to determine if changes in shoot arrangement might reduce the potential for damage to shoots. Under unidirectional flow, both current velocity in the canopy and force on shoots were significantly decreased when shoots were arranged in rows as compared to randomly. However, force on shoots was nearly constant with downstream distance, arising from the trade-off of shoot bending and in-canopy flow reduction. The coefficient of drag was higher for randomly-arranged shoots at low velocities (< 30 cm s- 1) but converged rapidly among the two shoot arrangements at higher velocities. Shoots arranged in rows tended to intercept slightly more light than those arranged randomly. Effects of shoot arrangement under waves were less clear, potentially because we did not achieve the proper plant size?row spacing ratio. At this point, we may only suggest that water motion, as opposed to light capture, is the dominant physical mechanism responsible for these shoot arrangements. Following a computation of the Environmental Stress Factor, we concluded that even photosynthetically active blades may be damaged or broken under frequently encountered storm conditions, irrespective of shoot arrangement. We hypothesize that when flow is generally from one direction, seagrass bed patterns over multiple scales of consideration may arise as a cumulative effect of individual shoot self-organization driven by reduced force and drag on the shoots and somewhat improved light capture.
","language":"English","publisher":"Elsevier","doi":"10.1016/j.jembe.2006.09.015","usgsCitation":"Fonseca, M., Koehl, M., and Kopp, B., 2007, Biomechanical factors contributing to self-organization in seagrass landscapes: Journal of Experimental Marine Biology and Ecology, v. 340, no. 2, p. 227-246, https://doi.org/10.1016/j.jembe.2006.09.015.","productDescription":"20 p.","startPage":"227","endPage":"246","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":202262,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"340","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49ade4b07f02db5c6fd9","contributors":{"authors":[{"text":"Fonseca, M.S.","contributorId":58744,"corporation":false,"usgs":true,"family":"Fonseca","given":"M.S.","email":"","affiliations":[],"preferred":false,"id":342511,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Koehl, M.A.R.","contributorId":17347,"corporation":false,"usgs":true,"family":"Koehl","given":"M.A.R.","email":"","affiliations":[],"preferred":false,"id":342509,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Kopp, B.S.","contributorId":50258,"corporation":false,"usgs":true,"family":"Kopp","given":"B.S.","email":"","affiliations":[],"preferred":false,"id":342510,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":5224792,"text":"5224792 - 2007 - Winter behavior and ecology of the Alder Flycatcher (Empidonax alnorum) in Peru","interactions":[],"lastModifiedDate":"2012-02-02T00:15:30","indexId":"5224792","displayToPublicDate":"2010-06-16T12:18:32","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2967,"text":"Ornitologia Neotropical","active":true,"publicationSubtype":{"id":10}},"title":"Winter behavior and ecology of the Alder Flycatcher (Empidonax alnorum) in Peru","docAbstract":"The winter ecology and behavior of Alder Flycatchers (Empidonax alnorum) were studied along the Manu, a white-water meander river in Manu National Park, Madre de Dios, Peru during October and November, 1993 to 1997. The birds occupied territories in primary-succession habitats on growing point bars. They were most common in mixed stands of Tessaria integrifolia (Asteraceae) and Gynerium sagittatum (Gramineaceae) interspersed with bare sand areas. The uneven height of the Tessaria canopy, which resulted in openings in the vegetation large enough for the birds to flycatch, was an important habitat feature. Birds obtained insects, which formed about 96% of the diet, by aerial hawking (91%), perch gleaning (6%), and hover gleaning (3%). They also fed on fruit. Territory sizes ranged from 0.04 to 0.25 ha. Of nine territories that we observed closely, six were occupied by two birds each, two by one bird each, and one by three birds. Every territory had one dominant individual who was primarily responsible for territory defense; the other birds were associates. Vocalizations given included the fee-bee-o song, a two-syllable song, and the pit note, which are also given on the breeding grounds. A series of pits given increasingly rapidly signaled a territorial interaction. In aggressive encounters, the birds (1) interacted vocally, remaining on their territories and counter calling or exchanging agitated calls; (2) moved toward a common territorial boundary and engaged in a vocal duel; or (3) the dominant chased intruders out of the territory. Chases were most common when a wave of new birds entered the area. Dominant birds, which sang the full song, were probably adult males. Immature males do not sing a full song, and females are not known to sing in nature. Associate individuals were likely females or young males.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Ornitologia Neotropical","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","collaboration":"6772_Foster.pdf","usgsCitation":"Foster, M., 2007, Winter behavior and ecology of the Alder Flycatcher (Empidonax alnorum) in Peru: Ornitologia Neotropical, v. 18, p. 171-186.","productDescription":"171-186","startPage":"171","endPage":"186","numberOfPages":"16","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":201530,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"18","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49abe4b07f02db5c5965","contributors":{"authors":[{"text":"Foster, M.S. 0000-0001-8272-4608","orcid":"https://orcid.org/0000-0001-8272-4608","contributorId":10116,"corporation":false,"usgs":true,"family":"Foster","given":"M.S.","email":"","affiliations":[],"preferred":false,"id":342696,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
]}