{"pageNumber":"848","pageRowStart":"21175","pageSize":"25","recordCount":46883,"records":[{"id":5224842,"text":"5224842 - 2007 - Egg incubation position affects toxicity of air cell administered polychlorinated biphenyl 126 (3,3′,4,4′,5-pentachlorobiphenyl) in chicken (Gallus gallus) embryos","interactions":[],"lastModifiedDate":"2021-05-26T11:58:38.166866","indexId":"5224842","displayToPublicDate":"2010-06-16T12:18:33","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":"Egg incubation position affects toxicity of air cell administered polychlorinated biphenyl 126 (3,3′,4,4′,5-pentachlorobiphenyl) in chicken (<i>Gallus gallus</i>) embryos","title":"Egg incubation position affects toxicity of air cell administered polychlorinated biphenyl 126 (3,3′,4,4′,5-pentachlorobiphenyl) in chicken (Gallus gallus) embryos","docAbstract":"<p>The avian egg is used extensively for chemical screening and determining the relative sensitivity of species to environmental contaminants (e.g., metals, pesticides, polyhalogenated compounds). The effect of egg incubation position on embryonic survival, pipping, and hatching success was examined following air cell administration of polychlorinated biphenyl (PCB) congener 126 (3,3',4,4',5-pentachlorobiphenyl [PCB 126]; 500-2,000 pg/g egg) on day 4 of development in fertile chicken (<i>Gallus gallus</i>) eggs. Depending on dose, toxicity was found to be up to nine times greater in vertically versus horizontally incubated eggs. This may be due to enhanced embryonic exposure to the injection bolus in vertically incubated eggs compared to more gradual uptake in horizontally incubated eggs. Following air cell administration of PCB 126, horizontal incubation of eggs may more closely approximate uptake and toxicity that has been observed with naturally incorporated contaminants. These data have implications for chemical screening and use of laboratory data for ecological risk assessments.</p>","language":"English","publisher":"Wiley","doi":"10.1897/07-291.1","usgsCitation":"McKernan, M., Rattner, B., Hale, R., and Ottinger, M.A., 2007, Egg incubation position affects toxicity of air cell administered polychlorinated biphenyl 126 (3,3′,4,4′,5-pentachlorobiphenyl) in chicken (Gallus gallus) embryos: Environmental Toxicology and Chemistry, v. 26, no. 12, p. 2724-2727, https://doi.org/10.1897/07-291.1.","productDescription":"4 p.","startPage":"2724","endPage":"2727","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":201589,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"26","issue":"12","noUsgsAuthors":false,"publicationDate":"2007-12-01","publicationStatus":"PW","scienceBaseUri":"4f4e4a26e4b07f02db60f358","contributors":{"authors":[{"text":"McKernan, M.A.","contributorId":6554,"corporation":false,"usgs":true,"family":"McKernan","given":"M.A.","email":"","affiliations":[],"preferred":false,"id":342867,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Rattner, Barnett A. 0000-0003-3676-2843","orcid":"https://orcid.org/0000-0003-3676-2843","contributorId":95843,"corporation":false,"usgs":true,"family":"Rattner","given":"Barnett A.","affiliations":[{"id":50464,"text":"Eastern Ecological Science Center","active":true,"usgs":true}],"preferred":true,"id":342869,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Hale, R. C.","contributorId":11309,"corporation":false,"usgs":true,"family":"Hale","given":"R. C.","affiliations":[],"preferred":false,"id":342868,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Ottinger, M. A.","contributorId":99078,"corporation":false,"usgs":true,"family":"Ottinger","given":"M.","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":342870,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":5224801,"text":"5224801 - 2007 - Quantifying the impact of longline fisheries on adult survival in the black-footed albatross","interactions":[],"lastModifiedDate":"2021-06-01T17:29:36.845743","indexId":"5224801","displayToPublicDate":"2010-06-16T12:18:33","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":"Quantifying the impact of longline fisheries on adult survival in the black-footed albatross","docAbstract":"<p>1. Industrial longline fishing has been suspected to impact upon black-footed albatross populations <i>Phoebastria nigripes</i> by increasing mortality, but no precise estimates of bycatch mortality are available to ascertain this statement. We present a general framework for quantifying the relationship between albatross population and longline fishing in absence of reliable estimates of bycatch rate. 2. We analysed capture-recapture data of a population of black-footed albatross to obtain estimates of survival probability for this population using several alternative models to adequately take into account heterogeneity in the recapture process. Instead of trying to estimate the number of birds killed by using various extrapolations and unchecked assumptions, we investigate the potential relationship between annual adult survival and several measures of fishing effort. Although we considered a large number of covariates, we used principal component analysis to generate a few uncorrelated synthetic variables from the set and thus we maintained both power and robustness. 3. The average survival for 1997-2002 was 92%, a low value compared to estimates available for other albatross species. We found that one of the synthetic variables used to summarize industrial longline fishing significantly explained more than 40% of the variation in adult survival over 11 years, suggesting an impact by longline fishing on albatross' survival. 4. Our analysis provides some evidence of non-linear variation in survival with fishing effort. This could indicate that below a certain level of fishing effort, deaths due to incidental catch can be partially or totally compensated for by a decrease in natural mortality. Another possible explanation is the existence of a strong interspecific competition for accessing the baits, reducing the risk of being accidentally hooked. 5. <i>Synthesis and applications</i>. The suspicion of a significant impact of longline fishing on the black-footed albatross population was supported by the combination of a low estimate of adult survival for the study period, and a significant relationship between adult survival and a synthetic measure of fishing effort. This study highlights the sensitivity of the black-footed albatross to commercial longline fishing, and should exhort fishery management authorities to find adequate seabirds avoidance methods and to encourage their employment.</p>","language":"English","publisher":"Wiley Online","doi":"10.1111/j.1365-2664.2007.01346.x","usgsCitation":"Veran, S., Gimenez, O., Flint, E., Kendall, W., Doherty, P., and Lebreton, J., 2007, Quantifying the impact of longline fisheries on adult survival in the black-footed albatross: Journal of Applied Ecology, v. 44, no. 5, p. 942-952, https://doi.org/10.1111/j.1365-2664.2007.01346.x.","productDescription":"11 p.","startPage":"942","endPage":"952","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":477002,"rank":1,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1111/j.1365-2664.2007.01346.x","text":"Publisher Index Page"},{"id":201916,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"44","issue":"5","noUsgsAuthors":false,"publicationDate":"2007-07-23","publicationStatus":"PW","scienceBaseUri":"4f4e4b28e4b07f02db6b12d8","contributors":{"authors":[{"text":"Veran, S.","contributorId":87259,"corporation":false,"usgs":true,"family":"Veran","given":"S.","affiliations":[],"preferred":false,"id":342720,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Gimenez, O.","contributorId":60748,"corporation":false,"usgs":true,"family":"Gimenez","given":"O.","email":"","affiliations":[],"preferred":false,"id":342718,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Flint, E.","contributorId":8969,"corporation":false,"usgs":true,"family":"Flint","given":"E.","email":"","affiliations":[],"preferred":false,"id":342716,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"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":342717,"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":342719,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Lebreton, J.D.","contributorId":104186,"corporation":false,"usgs":true,"family":"Lebreton","given":"J.D.","affiliations":[],"preferred":false,"id":342721,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}}
,{"id":5224841,"text":"5224841 - 2007 - Making great leaps forward: Accounting for detectability in herpetological field studies","interactions":[],"lastModifiedDate":"2016-08-16T15:06:28","indexId":"5224841","displayToPublicDate":"2010-06-16T12:18:33","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2334,"text":"Journal of Herpetology","active":true,"publicationSubtype":{"id":10}},"title":"Making great leaps forward: Accounting for detectability in herpetological field studies","docAbstract":"<p>Detecting individuals of amphibian and reptile species can be a daunting task. Detection can be hindered by various factors such as cryptic behavior, color patterns, or observer experience. These factors complicate the estimation of state variables of interest (e.g., abundance, occupancy, species richness) as well as the vital rates that induce changes in these state variables (e.g., survival probabilities for abundance; extinction probabilities for occupancy). Although ad hoc methods (e.g., counts uncorrected for detection, return rates) typically perform poorly in the face of no detection, they continue to be used extensively in various fields, including herpetology. However, formal approaches that estimate and account for the probability of detection, such as capture-mark-recapture (CMR) methods and distance sampling, are available. In this paper, we present classical approaches and recent advances in methods accounting for detectability that are particularly pertinent for herpetological data sets. Through examples, we illustrate the use of several methods, discuss their performance compared to that of ad hoc methods, and we suggest available software to perform these analyses. The methods we discuss control for imperfect detection and reduce bias in estimates of demographic parameters such as population size, survival, or, at other levels of biological organization, species occurrence. Among these methods, recently developed approaches that no longer require marked or resighted individuals should be particularly of interest to field herpetologists. We hope that our effort will encourage practitioners to implement some of the estimation methods presented herein instead of relying on ad hoc methods that make more limiting assumptions.</p>","language":"English","publisher":"The Society for the Study of Amphibians and Reptiles","doi":"10.1670/07-061.1","usgsCitation":"Mazerolle, M.J., Bailey, L., Kendall, W.L., Royle, J., Converse, S.J., and Nichols, J., 2007, Making great leaps forward: Accounting for detectability in herpetological field studies: Journal of Herpetology, v. 41, no. 4, p. 672-689, https://doi.org/10.1670/07-061.1.","productDescription":"18 p.","startPage":"672","endPage":"689","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":202630,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"41","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a81e4b07f02db649f51","contributors":{"authors":[{"text":"Mazerolle, Marc J.","contributorId":173729,"corporation":false,"usgs":false,"family":"Mazerolle","given":"Marc","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":342861,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Bailey, Larissa L.","contributorId":93183,"corporation":false,"usgs":true,"family":"Bailey","given":"Larissa L.","affiliations":[],"preferred":false,"id":342865,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Kendall, William L. wkendall@usgs.gov","contributorId":406,"corporation":false,"usgs":true,"family":"Kendall","given":"William","email":"wkendall@usgs.gov","middleInitial":"L.","affiliations":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"preferred":false,"id":342863,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Royle, J. Andrew 0000-0003-3135-2167","orcid":"https://orcid.org/0000-0003-3135-2167","contributorId":96221,"corporation":false,"usgs":true,"family":"Royle","given":"J. Andrew","affiliations":[],"preferred":false,"id":342866,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Converse, Sarah J. 0000-0002-3719-5441 sconverse@usgs.gov","orcid":"https://orcid.org/0000-0002-3719-5441","contributorId":3513,"corporation":false,"usgs":true,"family":"Converse","given":"Sarah","email":"sconverse@usgs.gov","middleInitial":"J.","affiliations":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"preferred":false,"id":342864,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Nichols, James D. jnichols@usgs.gov","contributorId":139087,"corporation":false,"usgs":true,"family":"Nichols","given":"James D.","email":"jnichols@usgs.gov","affiliations":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"preferred":false,"id":342862,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}}
,{"id":5224876,"text":"5224876 - 2007 - The 1999-2003 Summary of the North American Breeding Bird Survey","interactions":[],"lastModifiedDate":"2012-02-02T00:15:30","indexId":"5224876","displayToPublicDate":"2010-06-16T12:18:33","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1051,"text":"Bird Populations","active":true,"publicationSubtype":{"id":10}},"title":"The 1999-2003 Summary of the North American Breeding Bird Survey","docAbstract":"Data from the North American Breeding Bird Survey were used to estimate continental and regional changes in bird populations for the 5-yr period 1999-2003 and the 2-yr period 2002-2003.  These short-term changes were placed in the context of population trends estimated over the 1966-2003 interval.  During 1999-2003, 41% of all species exhibited positive trends over the entire survey area, while 64% of all species exhibited positive change between 2002-2003.  The continental and regional percentages of species with positive trends were also analyzed for 12 species groups having shared life-history traits.  Survey-wide for the entire survey period, grassland birds exhibited the lowest percentage of increasing species (14%), with their sharpest declines occurring in the West during 1999-2003 (10% increasing).  During 1999-2003, short-distance migrants experienced significant declines in all regions, where numbers of species with increasing trends ranged from 22% - 34%.  Most species fared well during the 2002-2003 period, with 64% (P < 0.05) increasing survey-wide.  This was primarily a result of increases in the Central and Western BBS regions where 21 of 24 species groups exhibited significant increases in the number of species with positive trends.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Bird Populations","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","collaboration":"6937_Pardieck.pdf","usgsCitation":"Pardieck, K., and Sauer, J., 2007, The 1999-2003 Summary of the North American Breeding Bird Survey: Bird Populations, v. 8, p. 28-45.","productDescription":"28-45","startPage":"28","endPage":"45","numberOfPages":"18","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":16889,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://birdpop.net/pubs/files/pardieck/2007/112_Pardieck2007.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":202246,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"8","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ad5e4b07f02db683594","contributors":{"authors":[{"text":"Pardieck, K.L.","contributorId":41929,"corporation":false,"usgs":true,"family":"Pardieck","given":"K.L.","affiliations":[],"preferred":false,"id":342982,"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":342983,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":5224831,"text":"5224831 - 2007 - Application of information theory methods to food web reconstruction","interactions":[],"lastModifiedDate":"2021-05-25T11:53:29.215064","indexId":"5224831","displayToPublicDate":"2010-06-16T12:18:33","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1458,"text":"Ecological Modelling","active":true,"publicationSubtype":{"id":10}},"title":"Application of information theory methods to food web reconstruction","docAbstract":"In this paper we use information theory techniques on time series of abundances to determine the topology of a food web.  At the outset, the food web participants (two consumers, two resources) are known; in addition we know that each consumer prefers one of the resources over the other.  However, we do not know which consumer prefers which resource, and if this preference is absolute (i.e., whether or not the consumer will consume the non-preferred resource).  Although the consumers and resources are identified at the beginning of the experiment, we also provide evidence that the consumers are not resources for each other, and the resources do not consume each other.  We do show that there is significant mutual information between resources; the model is seasonally forced and some shared information between resources is expected.  Similarly, because the model is seasonally forced, we expect shared information between consumers as they respond to the forcing of the resources.  The model that we consider does include noise, and in an effort to demonstrate that these methods may be of some use in other than model data, we show the efficacy of our methods with decreasing time series size; in this particular case we obtain reasonably clear results with a time series length of 400 points.  This approaches ecological time series lengths from real systems.","language":"English","publisher":"Elsevier","doi":"10.1016/j.ecolmodel.2007.05.016","usgsCitation":"Moniz, L., Cooch, E., Ellner, S., Nichols, J., and Nichols, J., 2007, Application of information theory methods to food web reconstruction: Ecological Modelling, v. 208, no. 2-4, p. 145-158, https://doi.org/10.1016/j.ecolmodel.2007.05.016.","productDescription":"14 p.","startPage":"145","endPage":"158","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":202265,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"208","issue":"2-4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ac6e4b07f02db67aa71","contributors":{"authors":[{"text":"Moniz, L.J.","contributorId":17718,"corporation":false,"usgs":true,"family":"Moniz","given":"L.J.","email":"","affiliations":[],"preferred":false,"id":342826,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Cooch, E.G.","contributorId":40932,"corporation":false,"usgs":true,"family":"Cooch","given":"E.G.","email":"","affiliations":[],"preferred":false,"id":342828,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Ellner, S.P.","contributorId":16963,"corporation":false,"usgs":true,"family":"Ellner","given":"S.P.","affiliations":[],"preferred":false,"id":342825,"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":342824,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Nichols, J.M.","contributorId":18080,"corporation":false,"usgs":true,"family":"Nichols","given":"J.M.","email":"","affiliations":[],"preferred":false,"id":342827,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"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":"<p>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.</p>","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":5224764,"text":"5224764 - 2007 - Importance of well-designed monitoring programs for the conservation of endangered species: Case study of the Snail Kite","interactions":[],"lastModifiedDate":"2021-05-20T18:37:56.166217","indexId":"5224764","displayToPublicDate":"2010-06-16T12:18:32","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1321,"text":"Conservation Biology","active":true,"publicationSubtype":{"id":10}},"title":"Importance of well-designed monitoring programs for the conservation of endangered species: Case study of the Snail Kite","docAbstract":"<p>Monitoring natural populations is often a necessary step to establish the conservation status of species and to help improve management decisions. Nevertheless, many monitoring programs do not effectively address primary sources of variability in monitoring data, which ultimately may limit the utility of monitoring in identifying declines and improving management. To illustrate the importance of taking into account detectability and spatial variation, we used a recently proposed estimator of abundance (superpopulation estimator) to estimate population size of and number of young produced by the Snail Kite (Rostrhamus sociabilis plumbeus) in Florida. During the last decade, primary recovery targets set by the U.S. Fish and Wildlife Service for the Snail Kite that were based on deficient monitoring programs (i.e., uncorrected counts) were close to being met (by simply increasing search effort during count surveys). During that same period, the Snail Kite population declined dramatically (by 55% from 1997 to 2005) and the number of young decreased by 70% between 1992-1998 and 1999-2005. Our results provide a strong practical case in favor of the argument that investing a sufficient amount of time and resources into designing and implementing monitoring programs that carefully address detectability and spatial variation is critical for the conservation of endangered species.</p>","language":"English","publisher":"Wiley for Society for Conservation Biology","doi":"10.1111/j.1523-1739.2006.00613.x","usgsCitation":"Martin, J., Kitchens, W., and Hines, J., 2007, Importance of well-designed monitoring programs for the conservation of endangered species: Case study of the Snail Kite: Conservation Biology, v. 21, no. 2, p. 472-481, https://doi.org/10.1111/j.1523-1739.2006.00613.x.","productDescription":"11 p.","startPage":"472","endPage":"481","costCenters":[{"id":274,"text":"Florida Cooperative Fish and Wildlife Research Unit","active":false,"usgs":true},{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":202081,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"21","issue":"2","noUsgsAuthors":false,"publicationDate":"2007-01-15","publicationStatus":"PW","scienceBaseUri":"4f4e4a03e4b07f02db5f83e8","contributors":{"authors":[{"text":"Martin, J.","contributorId":18871,"corporation":false,"usgs":true,"family":"Martin","given":"J.","affiliations":[],"preferred":false,"id":342614,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Kitchens, W.M.","contributorId":87647,"corporation":false,"usgs":true,"family":"Kitchens","given":"W.M.","affiliations":[],"preferred":false,"id":342616,"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":342615,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":5224733,"text":"5224733 - 2007 - A large-scale deforestation experiment: Effects of patch area and isolation on Amazon birds","interactions":[],"lastModifiedDate":"2021-06-10T17:09:24.641751","indexId":"5224733","displayToPublicDate":"2010-06-16T12:18:32","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3338,"text":"Science","active":true,"publicationSubtype":{"id":10}},"title":"A large-scale deforestation experiment: Effects of patch area and isolation on Amazon birds","docAbstract":"As compared with extensive contiguous areas, small isolated habitat patches lack many species.  Some species disappear after isolation; others are rarely found in any small patch, regardless of isolation.  We used a 13-year data set of bird captures from a large landscape-manipulation experiment in a Brazilian Amazon forest to model the extinction-colonization dynamics of 55 species and tested basic predictions of island biogeography and metapopulation theory.  From our models, we derived two metrics of species vulnerability to changes in isolation and patch area.  We found a strong effect of area and a variable effect of isolation on the predicted patch occupancy by birds.","language":"English","publisher":"American Association for the Advancement of Science","doi":"10.1126/science.1133097","usgsCitation":"Ferraz, G., Nichols, J., Hines, J., Stouffer, P., Bierregaard, R., and Lovejoy, T., 2007, A large-scale deforestation experiment: Effects of patch area and isolation on Amazon birds: Science, v. 315, no. 5809, p. 238-241, https://doi.org/10.1126/science.1133097.","productDescription":"4 p.","startPage":"238","endPage":"241","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":476859,"rank":1,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.482.6209","text":"External Repository"},{"id":196510,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Brazil","otherGeospatial":"Amazon forest","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -71.54296875,\n              -2.1088986592431382\n            ],\n            [\n              -74.35546875,\n              -7.100892668623654\n            ],\n            [\n              -66.181640625,\n              -10.228437266155955\n            ],\n            [\n              -58.00781249999999,\n              -8.928487062665504\n            ],\n            [\n              -56.33789062499999,\n              0.17578097424708533\n            ],\n            [\n              -70.13671875,\n              2.4601811810210052\n            ],\n            [\n              -71.54296875,\n              -2.1088986592431382\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"315","issue":"5809","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b23e4b07f02db6ae359","contributors":{"authors":[{"text":"Ferraz, G.","contributorId":87651,"corporation":false,"usgs":true,"family":"Ferraz","given":"G.","email":"","affiliations":[],"preferred":false,"id":342517,"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":342513,"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":342514,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Stouffer, P.C.","contributorId":8199,"corporation":false,"usgs":true,"family":"Stouffer","given":"P.C.","email":"","affiliations":[],"preferred":false,"id":342512,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Bierregaard, R.O.","contributorId":56755,"corporation":false,"usgs":true,"family":"Bierregaard","given":"R.O.","affiliations":[],"preferred":false,"id":342516,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Lovejoy, T.E.","contributorId":51408,"corporation":false,"usgs":true,"family":"Lovejoy","given":"T.E.","email":"","affiliations":[],"preferred":false,"id":342515,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}}
,{"id":5224769,"text":"5224769 - 2007 - Evaluation of the status of anurans on a refuge in suburban Maryland","interactions":[],"lastModifiedDate":"2021-06-03T17:17:49.094338","indexId":"5224769","displayToPublicDate":"2010-06-16T12:18:32","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2334,"text":"Journal of Herpetology","active":true,"publicationSubtype":{"id":10}},"title":"Evaluation of the status of anurans on a refuge in suburban Maryland","docAbstract":"<p>Because many anurans have well-defined breeding seasons and male anurans produce loud advertisement calls, surveys of these breeding choruses are believed to provide a dependable means of monitoring population trends. The Patuxent Research Refuge initiated such a calling survey in the spring of 1997, which uses volunteers to collect anuran (frog and toad) calling survey data. The primary goal of initiating the calling surveys at the Patuxent Refuge was to obtain baseline information on anuran populations, such as species occurrence, frequency of occurrence, and relative abundance over time. In this paper, we used the calling survey data to develop models for the \"proportion of area occupied\" by individual anuran species, a method in which analysis is focused on the proportion of sites that are occupied by a species, instead of the number of individuals present in the population. This type of analysis is ideal for use in large-scale monitoring programs focused on species that are difficult to count, such as anurans or birds. We considered models for proportion of area occupied that allow for imperfect detection (that is, a species may be present but go undetected during sampling) by incorporating parameters that describe detection probability and the response of detection probability to various environmental and sampling covariates. Our results indicate that anuran populations on the Patuxent Research Refuge have high rates of occupancy compared to areas nearby and that extinction and colonization rates are stable. The potential uses for \"proportion of area occupied\" analyses are far-reaching and will allow for more accurate quantification of data and better-informed management decisions for calling surveys on a larger scale.</p>","language":"English","publisher":"BioOne Complete","doi":"10.1670/0022-1511(2007)41[52:EOTSOA]2.0.CO;2","usgsCitation":"Brander, S., Royle, J., and Eames, M., 2007, Evaluation of the status of anurans on a refuge in suburban Maryland: Journal of Herpetology, v. 14, no. 1, p. 52-60, https://doi.org/10.1670/0022-1511(2007)41[52:EOTSOA]2.0.CO;2.","productDescription":"9 p.","startPage":"52","endPage":"60","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":203157,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United 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Andrew 0000-0003-3135-2167","orcid":"https://orcid.org/0000-0003-3135-2167","contributorId":96221,"corporation":false,"usgs":true,"family":"Royle","given":"J. Andrew","affiliations":[],"preferred":false,"id":342634,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Eames, M.","contributorId":70094,"corporation":false,"usgs":true,"family":"Eames","given":"M.","email":"","affiliations":[],"preferred":false,"id":342633,"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":"<p>1. <strong>Stephens et al. (2005)</strong> 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 <strong>Stephens et al. (2005)</strong>. 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. <i>Synthesis and applications</i>. 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.</p>","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":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":"<p>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.</p>","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":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":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 <i>Limulus polyphemus</i> 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":"<p><span>We used stable isotope (SI) methods in combination with pen feeding trials to determine the importance of eggs of the Atlantic horseshoe crab&nbsp;</span><i>Limulus polyphemus</i><span>&nbsp;to migratory fattening of red knots&nbsp;</span><i>Calidris canutus rufa</i><span>&nbsp;and ruddy turnstones&nbsp;</span><i>Arenaria interpres morinella</i><span>&nbsp;during spring stopover in Delaware Bay. By manifesting measurable fractionation (ca +3‰) and rapid turnover, blood plasma δ</span><sup>15</sup><span>&nbsp;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 δ</span><sup>15</sup><span>N 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 δ</span><sup>15</sup><span>N crab-egg diet asymptote was enriched ca +4.5‰ and therefore readily discriminated from that of either blue mussels&nbsp;</span><i>Mytilus edulis</i><span>&nbsp;or coquina clams&nbsp;</span><i>Donax variabilis</i><span>, 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.</span></p>","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":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":"<p>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 (<i>Thryothorus ludovicianus</i>). 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.</p>","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":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":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":"<p>An emerging disease of amphibians caused by the chytrid fungus <i>Batrachochytrium dendrobatidis</i> has been associated with morbidity, mortality, and extinction of species. Typically, researchers have detected <i>B. dendrobatidis</i> 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 (<i>Rana clamitans</i>), 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 (<i>Bufo americanus</i>) to 25.7% in northern leopard frogs (<i>Rana pipiens</i>). We did not detect any infections in 50 eastern gray tree frogs (<i>Hyla versicolor</i>) or 21 spring peepers (<i>Pseudacris crucifer</i>). 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 <i>B. dendrobatidis</i> 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.</p>","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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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":5224891,"text":"5224891 - 2007 - Effects of habitat change along Breeding Bird Survey routes in the central Appalachians on Cerulean Warbler population","interactions":[],"lastModifiedDate":"2012-02-02T00:15:30","indexId":"5224891","displayToPublicDate":"2010-06-16T12:18:31","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3139,"text":"Proceedings of the Annual Conference of the Southeastern Association of Fish and Wildlife Agencies","active":true,"publicationSubtype":{"id":10}},"title":"Effects of habitat change along Breeding Bird Survey routes in the central Appalachians on Cerulean Warbler population","docAbstract":"The cerulean warbler (Dendroica cerulea) is one of the highest priority bird species in the eastern United States because populations have declined 4.3% annually during 1966?2005 based on Breeding Bird Survey (BBS) data.  Habitat loss and fragmentation due to land use changes is thought to be one of the major factors contributing to the decline.  BBS routes, the primary source for monitoring bird population trends, include 50 sampling stops every 0.8 km.  Although data from BBS routes are extrapolated to determine regional trends in bird populations, it is important to understand the effects of habitat changes at the stop-level along BBS routes.  Route-level analysis of habitat changes may mask important changes that are occurring at a smaller scale particularly for the cerulean warbler which displays several micro-scale habitat preferences.  We are examining cerulean warbler habitat and population changes in its core breeding range of the Ohio Hills and Cumberland Plateau physiographic regions.  We quantified land cover changes within 300 m of BBS routes in the core cerulean warbler breeding range of Ohio, West Virginia, and Kentucky by digitizing aerial photographs from two time periods: the 1980s and 2004.  We also quantified land cover changes within 300 m of BBS routes with the National Land Cover Dataset (NLCD) from 1992 and 2001.  The hand-digitized aerial photos will be compared with the NLCD to determine how similar the two methods are in quantifying land cover changes.  We then compared stop-level land cover changes with stop level changes in cerulean warbler detections within the same time periods along the BBS routes.  This will allow for a more detailed analysis of how well habitat changes along BBS routes reflect the changes in cerulean warbler populations.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Proceedings of the Annual Conference of the Southeastern Association of Fish and Wildlife Agencies","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","usgsCitation":"McElhone, P., Wood, P., and Dawson, D., 2007, Effects of habitat change along Breeding Bird Survey routes in the central Appalachians on Cerulean Warbler population: Proceedings of the Annual Conference of the Southeastern Association of Fish and Wildlife Agencies, v. 61.","productDescription":"131 (abstract)","startPage":"131 (abs)","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":16823,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://24.73.102.130/resource/dynamic/private/PDF/McElhone-131.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":202247,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"61","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a2ce4b07f02db613ad9","contributors":{"authors":[{"text":"McElhone, P.","contributorId":52302,"corporation":false,"usgs":true,"family":"McElhone","given":"P.","email":"","affiliations":[],"preferred":false,"id":343037,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Wood, P.W.","contributorId":81608,"corporation":false,"usgs":true,"family":"Wood","given":"P.W.","email":"","affiliations":[],"preferred":false,"id":343039,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Dawson, D.","contributorId":72901,"corporation":false,"usgs":true,"family":"Dawson","given":"D.","email":"","affiliations":[],"preferred":false,"id":343038,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":5224889,"text":"5224889 - 2007 - Design and implementation of estimation-based monitoring programs for flora and fauna: A case study on the Cherokee National Forest","interactions":[],"lastModifiedDate":"2012-02-02T00:15:29","indexId":"5224889","displayToPublicDate":"2010-06-16T12:18:31","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3139,"text":"Proceedings of the Annual Conference of the Southeastern Association of Fish and Wildlife Agencies","active":true,"publicationSubtype":{"id":10}},"title":"Design and implementation of estimation-based monitoring programs for flora and fauna: A case study on the Cherokee National Forest","docAbstract":"Science-based monitoring of biological resources is important for a greater understanding of ecological systems and for assessment of the target population using theoretic-based management approaches.  When selecting variables to monitor, managers first need to carefully consider their objectives, the geographic and temporal scale at which they will operate, and the effort needed to implement the program.  Generally, monitoring can be divided into two categories: index and inferential.  Although index monitoring is usually easier to implement, analysis of index data requires strong assumptions about consistency in detection rates over time and space, and parameters are often biasednot accounting for detectability and spatial variation.  In most cases, individuals are not always available for detection during sampling periods, and the entire area of interest cannot be sampled.  Conversely, inferential monitoring is more rigorous because it is based on nearly unbiased estimators of spatial distribution.  Thus, we recommend that detectability and spatial variation be considered for all monitoring programs that intend to make inferences about the target population or the area of interest.  Application of these techniques is especially important for the monitoring of Threatened and Endangered (T&E) species because it is critical to determine if population size is increasing or decreasing with some level of certainty.  Use of estimation-based methods and probability sampling will reduce many of the biases inherently associated with index data and provide meaningful information with respect to changes that occur in target populations.  We incorporated inferential monitoring into protocols for T&E species spanning a wide range of taxa on the Cherokee National Forest in the Southern Appalachian Mountains.  We review the various approaches employed for different taxa and discuss design issues, sampling strategies, data analysis, and the details of estimating detectability using site occupancy.  These techniques provide a science-based approach for monitoring and can be of value to all resource managers responsible for management of T&E species.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Proceedings of the Annual Conference of the Southeastern Association of Fish and Wildlife Agencies","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","usgsCitation":"Klimstra, J., O'Connell, A., Pistrang, M., Lewis, L., Herrig, J., and Sauer, J., 2007, Design and implementation of estimation-based monitoring programs for flora and fauna: A case study on the Cherokee National Forest: Proceedings of the Annual Conference of the Southeastern Association of Fish and Wildlife Agencies, v. 61.","productDescription":"126 (abstract)","startPage":"126 (abs)","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":16821,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://24.73.102.130/resource/dynamic/private/PDF/Klimstra-126.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":202567,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"61","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4aa9e4b07f02db667eb7","contributors":{"authors":[{"text":"Klimstra, J.D.","contributorId":62328,"corporation":false,"usgs":true,"family":"Klimstra","given":"J.D.","email":"","affiliations":[],"preferred":false,"id":343031,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"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":343028,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Pistrang, M.J.","contributorId":46199,"corporation":false,"usgs":true,"family":"Pistrang","given":"M.J.","email":"","affiliations":[],"preferred":false,"id":343029,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Lewis, L.M.","contributorId":53070,"corporation":false,"usgs":true,"family":"Lewis","given":"L.M.","email":"","affiliations":[],"preferred":false,"id":343030,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Herrig, J.A.","contributorId":88854,"corporation":false,"usgs":true,"family":"Herrig","given":"J.A.","email":"","affiliations":[],"preferred":false,"id":343033,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"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":343032,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}}
,{"id":5224699,"text":"5224699 - 2007 - Patch-occupancy models indicate human activity as major determinant of forest elephant <i>Loxodonta cyclotis</i> seasonal distribution in an industrial corridor in Gabon","interactions":[],"lastModifiedDate":"2014-08-12T10:19:02","indexId":"5224699","displayToPublicDate":"2010-06-16T12:18:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1015,"text":"Biological Conservation","active":true,"publicationSubtype":{"id":10}},"title":"Patch-occupancy models indicate human activity as major determinant of forest elephant <i>Loxodonta cyclotis</i> seasonal distribution in an industrial corridor in Gabon","docAbstract":"The importance of human activity and ecological features in influencing African forest elephant ranging behaviour was investigated in the Rabi-Ndogo corridor of the Gamba Complex of Protected Areas in southwest Gabon.  Locations in a wide geographical area with a range of environmental variables were selected for patch-occupancy surveys using elephant dung to assess seasonal presence and absence of elephants.  Patch-occupancy procedures allowed for covariate modelling evaluating hypotheses for both occupancy in relation to human activity and ecological features, and detection probability in relation to vegetation density.  The best fitting models for old and fresh dung data sets indicate that (1) detection probability for elephant dung is negatively related to the relative density of the vegetation, and (2) human activity, such as presence and infrastructure, are more closely associated with elephant distribution patterns than are ecological features, such as the presence of wetlands and preferred fresh fruit.  Our findings emphasize the sensitivity of elephants to human disturbance, in this case infrastructure development associated with gas and oil production.  Patch-occupancy methodology offers a viable alternative to current transect protocols for monitoring programs with multiple covariates.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Biological Conservation","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Elsevier","doi":"10.1016/j.biocon.2006.10.028","collaboration":"6651_Buij.pdf","usgsCitation":"Buij, R., McShea, W., Campbell, P., Lee, M., Dallmeier, F., Guimondou, S., Mackaga, L., Guisseougou, N., Mboumba, S., Hines, J., Nichols, J., and Alonso, A., 2007, Patch-occupancy models indicate human activity as major determinant of forest elephant <i>Loxodonta cyclotis</i> seasonal distribution in an industrial corridor in Gabon: Biological Conservation, v. 135, no. 2, p. 189-201, https://doi.org/10.1016/j.biocon.2006.10.028.","productDescription":"13 p.","startPage":"189","endPage":"201","numberOfPages":"13","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":196297,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":292002,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/j.biocon.2006.10.028"}],"country":"Gabon","volume":"135","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ae1e4b07f02db6889c3","contributors":{"authors":[{"text":"Buij, R.","contributorId":44632,"corporation":false,"usgs":true,"family":"Buij","given":"R.","affiliations":[],"preferred":false,"id":342406,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"McShea, W.J.","contributorId":46187,"corporation":false,"usgs":true,"family":"McShea","given":"W.J.","affiliations":[],"preferred":false,"id":342407,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Campbell, P.","contributorId":99249,"corporation":false,"usgs":true,"family":"Campbell","given":"P.","email":"","affiliations":[],"preferred":false,"id":342409,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Lee, M.E.","contributorId":26779,"corporation":false,"usgs":true,"family":"Lee","given":"M.E.","email":"","affiliations":[],"preferred":false,"id":342402,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Dallmeier, F.","contributorId":39894,"corporation":false,"usgs":true,"family":"Dallmeier","given":"F.","email":"","affiliations":[],"preferred":false,"id":342405,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Guimondou, S.","contributorId":39087,"corporation":false,"usgs":true,"family":"Guimondou","given":"S.","email":"","affiliations":[],"preferred":false,"id":342404,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Mackaga, L.","contributorId":16534,"corporation":false,"usgs":true,"family":"Mackaga","given":"L.","email":"","affiliations":[],"preferred":false,"id":342401,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Guisseougou, N.","contributorId":107393,"corporation":false,"usgs":true,"family":"Guisseougou","given":"N.","email":"","affiliations":[],"preferred":false,"id":342410,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Mboumba, S.","contributorId":12141,"corporation":false,"usgs":true,"family":"Mboumba","given":"S.","email":"","affiliations":[],"preferred":false,"id":342399,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"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":342403,"contributorType":{"id":1,"text":"Authors"},"rank":10},{"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":342400,"contributorType":{"id":1,"text":"Authors"},"rank":11},{"text":"Alonso, A.","contributorId":57561,"corporation":false,"usgs":true,"family":"Alonso","given":"A.","email":"","affiliations":[],"preferred":false,"id":342408,"contributorType":{"id":1,"text":"Authors"},"rank":12}]}}
,{"id":5224729,"text":"5224729 - 2007 - Immunotoxicity of trenbolone acetate in Japanese quail","interactions":[],"lastModifiedDate":"2013-03-15T20:26:39","indexId":"5224729","displayToPublicDate":"2010-06-16T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2481,"text":"Journal of Toxicology and Environmental Health, Part A","active":true,"publicationSubtype":{"id":10}},"title":"Immunotoxicity of trenbolone acetate in Japanese quail","docAbstract":"Trenbolone acetate is a synthetic androgen that is currently used as a growth promoter in many meat-exporting countries.  Despite industry laboratories classifying trenbolone as nonteratogenic, data showed that embryonic exposure to this androgenic chemical altered development of the immune system in Japanese quail.  Trenbolone is lipophilic, persistent, and released into the environment in manure used as soil fertilizer.  This is the first study to date to assess this chemical's immunotoxic effects in an avian species.  A one-time injection of trenbolone into yolks was administered to mimic maternal deposition, and subsequent effects on the development and function of the immune system were determined in chicks and adults.  Development of the bursa of Fabricius, an organ responsible for development of the humoral arm of the immune system, was disrupted, as indicated by lower masse, and smaller and fewer follicles at day 1 of hatch.  Morphological differences in the bursas persisted in adults, although no differences in either two measures of immune function were observed.  Total numbers of circulating leukocytes were reduced and heterophil-lymphocyte ratios were elevated in chicks but not adults.  This study shows that trenbolone acetate is teratogenic and immunotoxic in Japanese quail, and provides evidence that the quail immune system may be fairly resilient to embryonic endocrine-disrupting chemical-induced alterations following no further exposure posthatch.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Journal of Toxicology and Environmental Health, Part A","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1080/15287390600755026","collaboration":"6681_Quinn.pdf","usgsCitation":"Quinn, M., McKernan, M., Lavoie, E., and Ottinger, M.A., 2007, Immunotoxicity of trenbolone acetate in Japanese quail: Journal of Toxicology and Environmental Health, Part A, v. 70, no. 1, p. 88-93, https://doi.org/10.1080/15287390600755026.","productDescription":"88-93","startPage":"88","endPage":"93","numberOfPages":"6","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":201497,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":269418,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1080/15287390600755026"}],"volume":"70","issue":"1","noUsgsAuthors":false,"publicationDate":"2007-02-24","publicationStatus":"PW","scienceBaseUri":"4f4e4ae1e4b07f02db6887ba","contributors":{"authors":[{"text":"Quinn, M.J.","contributorId":50990,"corporation":false,"usgs":true,"family":"Quinn","given":"M.J.","affiliations":[],"preferred":false,"id":342497,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"McKernan, M.","contributorId":103388,"corporation":false,"usgs":true,"family":"McKernan","given":"M.","email":"","affiliations":[],"preferred":false,"id":342500,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Lavoie, E.T.","contributorId":94767,"corporation":false,"usgs":true,"family":"Lavoie","given":"E.T.","email":"","affiliations":[],"preferred":false,"id":342498,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Ottinger, M. A.","contributorId":99078,"corporation":false,"usgs":true,"family":"Ottinger","given":"M.","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":342499,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":98165,"text":"sir20095271 - 2007 - Evaluation of Streamflow Gain-Loss Characteristics of Hubbard Creek, in the Vicinity of a Mine-Permit Area, Delta County, Colorado, 2007","interactions":[],"lastModifiedDate":"2012-03-02T17:16:07","indexId":"sir20095271","displayToPublicDate":"2010-02-03T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":334,"text":"Scientific Investigations Report","code":"SIR","onlineIssn":"2328-0328","printIssn":"2328-031X","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2009-5271","title":"Evaluation of Streamflow Gain-Loss Characteristics of Hubbard Creek, in the Vicinity of a Mine-Permit Area, Delta County, Colorado, 2007","docAbstract":"In 2007, the U.S. Geological Survey, in cooperation with Bowie Mining Company, initiated a study to characterize the streamflow and streamflow gain-loss in a reach of Hubbard Creek in Delta County, Colorado, in the vicinity of a mine-permit area planned for future coal mining. Premining streamflow characteristics and streamflow gain-loss variation were determined so that pre- and postmining gain-loss characteristics could be compared. This report describes the methods used in this study and the results of two streamflow-measurement sets collected during low-flow conditions.\r\n\r\nStreamflow gain-loss measurements were collected using rhodamine WT and sodium bromide tracers at four sites spanning the mine-permit area on June 26-28, 2007. Streamflows were estimated and compared between four measurement sites within three stream subreaches of the study reach. Data from two streamflow-gaging stations on Hubbard Creek upstream and downstream from the mine-permit area were evaluated. Streamflows at the stations were continuous, and flow at the upstream station nearly always exceeded the streamflow at the downstream station. Furthermore, streamflow at both stations showed similar diurnal patterns with traveltime offsets.\r\n\r\nOn June 26, streamflow from the gain-loss measurements was greater at site 1 (most upstream site) than at site 4 (most downstream site); on June 27, streamflow was greater at site 4 than at site 2; and on June 27, there was no difference in streamflow between sites 2 and 3. Data from streamflow-gaging stations 09132940 and 09132960 showed diurnal variations and overall decreasing streamflow over time. The data indicate a dynamic system, and streamflow can increase or decrease depending on hydrologic conditions. The streamflow within the study reach was greater than the streamflows at either the upstream or downstream stations.\r\n\r\nA second set of gain-loss measurements was collected at sites 2 and 4 on November 8-9, 2007. On November 8, streamflow was greater at site 4 than at site 2, and on the following day, November 9, streamflow was greater at site 2 than at site 4. Data collection on November 8 occurred while the streamflow was increasing due to contributions from stream ice melting throughout different parts of the basin. Data collection on November 9 occurred earlier in the day with less stream ice melting and more steady-state conditions, so the indication that streamflow decreased between sites 2 and 4 may be more accurate.\r\n\r\nDiurnal variations in streamflow are common at both the upper and the lower streamflow-gaging stations. The upper streamflow-gaging station shows a melt-freeze influence from tributaries to Hubbard Creek during the winter season. Downstream from the study reach, observed diurnal variation is likely due to evapotranspiration associated with dense flood-plain vegetation, which consumes water from the creek during the middle of the day. Varying diurnal patterns in streamflow, combined with possible variations in tributary inflows to Hubbard Creek in the study reach, probably account for the observed variations in streamflow at the tracer measurement sites.\r\n\r\nDuring both sampling periods in June and November 2007, conditions were less than ideal and not steady state. The June 27 sampling indicates that the streamflow was increasing between measurement sites 2 and 4, and the November 9 sampling indicates that the streamflow was decreasing between measurement sites 2 and 4. The data collected during the diurnal and day-to-day variations in streamflow indicated that the streamflow reach is dynamic and can be gaining, losing, or constant. \r\n","language":"ENGLISH","publisher":"U.S. Geological Survey","doi":"10.3133/sir20095271","collaboration":"Prepared in cooperation with Bowie Mining Company","usgsCitation":"Ruddy, B.C., and Williams, C.A., 2007, Evaluation of Streamflow Gain-Loss Characteristics of Hubbard Creek, in the Vicinity of a Mine-Permit Area, Delta County, Colorado, 2007: U.S. Geological Survey Scientific Investigations Report 2009-5271, vi, 19 p. , https://doi.org/10.3133/sir20095271.","productDescription":"vi, 19 p. ","onlineOnly":"N","additionalOnlineFiles":"N","temporalStart":"2007-06-26","temporalEnd":"2007-11-09","costCenters":[{"id":191,"text":"Colorado Water Science Center","active":true,"usgs":true}],"links":[{"id":194307,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":13409,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/sir/2009/5271/","linkFileType":{"id":5,"text":"html"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e499be4b07f02db5bbced","contributors":{"authors":[{"text":"Ruddy, Barbara C. bcruddy@usgs.gov","contributorId":4163,"corporation":false,"usgs":true,"family":"Ruddy","given":"Barbara","email":"bcruddy@usgs.gov","middleInitial":"C.","affiliations":[],"preferred":true,"id":304510,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Williams, Cory A. 0000-0003-1461-7848 cawillia@usgs.gov","orcid":"https://orcid.org/0000-0003-1461-7848","contributorId":689,"corporation":false,"usgs":true,"family":"Williams","given":"Cory","email":"cawillia@usgs.gov","middleInitial":"A.","affiliations":[{"id":191,"text":"Colorado Water Science Center","active":true,"usgs":true}],"preferred":true,"id":304509,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":97693,"text":"ofr20071296 - 2007 - Vascular Plant and Vertebrate Inventory of Saguaro National Park, Tucson Mountain District","interactions":[],"lastModifiedDate":"2018-08-27T14:03:26","indexId":"ofr20071296","displayToPublicDate":"2009-07-17T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2007-1296","title":"Vascular Plant and Vertebrate Inventory of Saguaro National Park, Tucson Mountain District","docAbstract":"This report summarizes the results of the first comprehensive inventory of plants and vertebrates at the Tucson Mountain District (TMD) of Saguaro National Park, Arizona. From 2001 to 2003 we surveyed for vascular plants and vertebrates (amphibians, reptiles, birds, and mammals) at the district to document the presence of species within its boundaries. Park staff also carried out extensive infrared-triggered camera work for medium and large mammals from 2002-2005 and results from that effort are reported here. Our spatial sampling design for all taxa employed a combination of random and nonrandom survey sites. Survey effort was greatest for medium and large mammals and herpetofauna. Because we used repeatable study designs and standardized field methods, these inventories can serve as the first step in a biological monitoring program for the district. We also provide an overview of previous survey efforts in the district. We use data from our inventory and other surveys to compile species lists and to assess inventory completeness. \r\n\r\nThe survey effort for herpetofauna, birds, and medium and large mammals was the most comprehensive ever undertaken in the district. We recorded a total of 320 plant and vertebrate species, including 21 species not previously found in the district (Table 1). Based on a review of our inventory and past research at the district, there have been a total of 723 species of plants and vertebrates found there. We believe inventories for most taxonomic groups are nearly complete. \r\n\r\nBased on our surveys, we believe the native plant and vertebrate community compositions of the district are relatively intact, though some species loss has occurred and threats are increasing, particularly to herpetofauna and larger mammals. Of particular note is the relatively small number of non-native species and their low abundance in the district, which is in contrast to many nearby natural areas. Rapidly expanding development on the west, north, and east sides of the district is cause for concern that the park continue its commitment to environmental restoration, which is largely responsible for reducing the threats posed by non-native plants. With continued maintenance of natural processes and the ecological structure of the park's biodiversity, the park will become an increasingly important place to both the general public and the scientific community.\r\n\r\nThis report supersedes results reported in Powell et al. (2002, 2003).","language":"ENGLISH","publisher":"U.S. Geological Survey","doi":"10.3133/ofr20071296","collaboration":"Prepared in cooperation with the University of Arizona School of Natural Resources","usgsCitation":"Halvorson, W., Schmidt, C., and Powell, B.F., 2007, Vascular Plant and Vertebrate Inventory of Saguaro National Park, Tucson Mountain District (Version 1.0): U.S. Geological Survey Open-File Report 2007-1296, xiv, 92 p., https://doi.org/10.3133/ofr20071296.","productDescription":"xiv, 92 p.","onlineOnly":"Y","costCenters":[{"id":568,"text":"Southwest Biological Science Center","active":true,"usgs":true}],"links":[{"id":125450,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/ofr_2007_1296.jpg"},{"id":12848,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2007/1296/","linkFileType":{"id":5,"text":"html"}}],"geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -111.3,32.2 ], [ -111.3,32.4 ], [ -111.1,32.4 ], [ -111.1,32.2 ], [ -111.3,32.2 ] ] ] } } ] }","edition":"Version 1.0","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a14e4b07f02db6027e6","contributors":{"authors":[{"text":"Halvorson, William L.","contributorId":97194,"corporation":false,"usgs":true,"family":"Halvorson","given":"William L.","affiliations":[],"preferred":false,"id":302904,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Schmidt, Cecilia A.","contributorId":25645,"corporation":false,"usgs":true,"family":"Schmidt","given":"Cecilia A.","affiliations":[],"preferred":false,"id":302902,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Powell, Brian F.","contributorId":77622,"corporation":false,"usgs":true,"family":"Powell","given":"Brian","email":"","middleInitial":"F.","affiliations":[],"preferred":false,"id":743564,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":97694,"text":"ofr20071393 - 2007 - Vascular Plant and Vertebrate Inventory of Coronado National Memorial","interactions":[],"lastModifiedDate":"2018-08-16T13:55:01","indexId":"ofr20071393","displayToPublicDate":"2009-07-17T00:00:00","publicationYear":"2007","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2007-1393","title":"Vascular Plant and Vertebrate Inventory of Coronado National Memorial","docAbstract":"We conducted inventories for amphibians and reptiles, birds, and mammals; and summarized past inventories for vascular plants at Coronado National Memorial (NM) in Arizona. We used our data as well as data from previous research to compile species lists for the memorial, assess inventory completeness, and make suggestions on future monitoring efforts. \r\n\r\nThere have been 940 species of plants and vertebrates recorded at Coronado NM (Table 1), of which 46 (5%) are non-native. The species richness of the memorial is one of the highest in the Sonoran Desert Network of park units, third only to park units that are two and one-half (Chiricahua National Monument), 19 (Saguaro National Park) and 70 (Organ Pipe Cactus National Monument) times larger in area. The high species diversities are due to the large elevational gradient, overlap of bigeographical regions, wide range of geology and soils, and diverse vegetation communities present at the memorial. \r\n\r\nChanges in species composition have occurred at the memorial over the last 20 years in all major taxonomic groups. These changes are likely due to increases in grassy plant species (both native and non-native) at the lower elevations of the memorial. We suspect that grassy plant cover has increased because of changes in grazing intensity, introduction of some non-native species, and a recent fire. All recent vertebrate inventories have yielded grassland obligate species not previously recorded at the memorial. \r\n\r\nBased on the review of past studies, we believe the inventory for most taxa, except bats, is nearly complete, though some rare or elusive species will likely be added with additional survey effort.","language":"ENGLISH","publisher":"U.S. Geological Survey","doi":"10.3133/ofr20071393","collaboration":"Prepared in cooperation with the University of Arizona School of Natural Resources","usgsCitation":"Powell, B., Swann, D.E., and Halvorson, W., 2007, Vascular Plant and Vertebrate Inventory of Coronado National Memorial (Version 1.0): U.S. Geological Survey Open-File Report 2007-1393, xiv, 114 p., https://doi.org/10.3133/ofr20071393.","productDescription":"xiv, 114 p.","onlineOnly":"Y","costCenters":[{"id":568,"text":"Southwest Biological Science Center","active":true,"usgs":true}],"links":[{"id":118675,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/ofr_2007_1393.jpg"},{"id":12849,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2007/1393/","linkFileType":{"id":5,"text":"html"}}],"geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -110.4,31.3 ], [ -110.4,31.4 ], [ -110.2,31.4 ], [ -110.2,31.3 ], [ -110.4,31.3 ] ] ] } } ] }","edition":"Version 1.0","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"53cd7afde4b0b2908510dd80","contributors":{"editors":[{"text":"Schmidt, Cecilia A.","contributorId":47483,"corporation":false,"usgs":true,"family":"Schmidt","given":"Cecilia","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":742840,"contributorType":{"id":2,"text":"Editors"},"rank":1}],"authors":[{"text":"Powell, Brian F.","contributorId":25644,"corporation":false,"usgs":true,"family":"Powell","given":"Brian F.","affiliations":[],"preferred":false,"id":302905,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Swann, Don E.","contributorId":90002,"corporation":false,"usgs":true,"family":"Swann","given":"Don","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":302907,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Halvorson, William L.","contributorId":97194,"corporation":false,"usgs":true,"family":"Halvorson","given":"William L.","affiliations":[],"preferred":false,"id":302908,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":5200329,"text":"5200329 - 2007 - Catalog of type specimens of recent Crocodilia and Testudines in the National Museum of Natural History, Smithsonian Institution","interactions":[],"lastModifiedDate":"2012-02-02T00:15:28","indexId":"5200329","displayToPublicDate":"2009-06-09T10:33:00","publicationYear":"2007","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":3,"text":"Organization Series"},"seriesTitle":{"id":214,"text":"Smithsonian Contributions to Zoology","active":false,"publicationSubtype":{"id":3}},"seriesNumber":"No. 626","title":"Catalog of type specimens of recent Crocodilia and Testudines in the National Museum of Natural History, Smithsonian Institution","docAbstract":"The known type specimens of Crocodilia and Testudines in the collection of the Division of Amphibians and Reptiles, National Museum of Natural History, Smithsonian Institution, published through 2006 represent 93 names of taxa.  The catalog presents a list of 249 type-specimen records consisting of 39 holotypes, 52 syntypes, 3 lectotypes, 2 neotypes, 132 paratypes, and 21 paralectotypes.  The list is arranged alphabetically by family within Crocodilia and Testudines, and alphabetically by genus and species, as described originally within family.  Each entry provides both original and current genus and species names, author(s), date of publication, abbreviated type citation, page of original description, and accompanying fi gures and plates (if any), current type status, USNM catalog number, number of specimens, specimen measurement(s), locality, collector, and date collected.  Also included for each taxon is the published type locality, type material at other institutions, an etymology, and remarks on corrections or additional data for original type records, changes in type status, and information pertaining to lost, exchanged, or destroyed specimens.  An index of scientific names follows the catalog.","language":"English","publisher":"Smithsonian Institution","publisherLocation":"Washington, DC","collaboration":"  PDF on file: 6836_Reynolds.pdf","usgsCitation":"Reynolds, R., Gotte, S., and Ernst, C., 2007, Catalog of type specimens of recent Crocodilia and Testudines in the National Museum of Natural History, Smithsonian Institution: Smithsonian Contributions to Zoology No. 626, 49 p.","productDescription":"49 p.","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":202495,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":92153,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://www.sil.si.edu/smithsoniancontributions/Zoology/pdf_hi/SCTZ-0626.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49e4e4b07f02db5e611d","contributors":{"authors":[{"text":"Reynolds, R.P.","contributorId":104439,"corporation":false,"usgs":true,"family":"Reynolds","given":"R.P.","email":"","affiliations":[],"preferred":false,"id":327542,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Gotte, S.W.","contributorId":69096,"corporation":false,"usgs":true,"family":"Gotte","given":"S.W.","email":"","affiliations":[],"preferred":false,"id":327541,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Ernst, C.H.","contributorId":9613,"corporation":false,"usgs":true,"family":"Ernst","given":"C.H.","email":"","affiliations":[],"preferred":false,"id":327540,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":5211440,"text":"5211440 - 2007 - Results of a Wildlife Toxicology Workshop held by the Smithsonian Institution ? Identification and prioritization of problem statements","interactions":[],"lastModifiedDate":"2012-02-02T00:15:28","indexId":"5211440","displayToPublicDate":"2009-06-09T09:23:20","publicationYear":"2007","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"title":"Results of a Wildlife Toxicology Workshop held by the Smithsonian Institution ? Identification and prioritization of problem statements","docAbstract":"On March 13-15, 2007 nearly 50 scientists and administrators from the US and Canada participated in a Smithsonian-sponsored Wildlife Toxicology Workshop.  Invitees were from academic, government, conservation and the private organizations and were selected to represent the diverse disciplines that encompass wildlife toxicology.  The workshop addressed scientific and policy issues, strengths and weaknesses of current research strategies, interdisciplinary and science-based approaches in the study of complex contaminant issues, mechanisms for disseminating data to policy-makers, and the development of a partner network to meet the challenges facing wildlife toxicology over the next decade.  Prior to the meeting, participants were asked to submit issues they deemed to be of highest concern which shaped four thematic groups for discussion: Wildlife Toxicology in Education, Risk Assessment, Multiple Stressors/Complex Mixtures, and Sub-Lethal to Population-Level Effects.  From these discussion groups, 18 problem statements were developed and prioritized outlining what were deemed the most important issues to address now and into the future.  Along with each problem statement participants developed potential solutions and action steps geared to move each issue forward.  The workshop served as a stepping stone for action in the field of wildlife toxicology.  These problem statements and the resulting action items are presented to the inter-disciplinary wildlife toxicology community for adoption, and future work and action items in these areas are encouraged.  The workshop outcome looks to generate conversation and collaboration that will lead to the development of innovative research, future mechanisms for funding, workshops, working groups, and listserves within the wildlife toxicology community.","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"28th Annual Meeting of the Society of Environmental Toxicology and Chemistry North America, Midwest Express Center, Milwaukee, Wisconsin (USA), 11-15 Nov.","largerWorkSubtype":{"id":4,"text":"Other Government Series"},"language":"English","usgsCitation":"Grim, K., Fairbrother, A., Monfort, S., Tan, S., Rattner, B., Gerould, S., Beasley, V., Aguirre, A., and Rowles, T., 2007, Results of a Wildlife Toxicology Workshop held by the Smithsonian Institution ? Identification and prioritization of problem statements, chap. <i>of</i> 28th Annual Meeting of the Society of Environmental Toxicology and Chemistry North America, Midwest Express Center, Milwaukee, Wisconsin (USA), 11-15 Nov.","productDescription":"334","startPage":"224 (abstr","numberOfPages":"334","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":202319,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a26e4b07f02db60f9ad","contributors":{"authors":[{"text":"Grim, K.C.","contributorId":106238,"corporation":false,"usgs":true,"family":"Grim","given":"K.C.","email":"","affiliations":[],"preferred":false,"id":331046,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Fairbrother, A.","contributorId":25500,"corporation":false,"usgs":true,"family":"Fairbrother","given":"A.","email":"","affiliations":[],"preferred":false,"id":331040,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Monfort, S.","contributorId":53920,"corporation":false,"usgs":true,"family":"Monfort","given":"S.","email":"","affiliations":[],"preferred":false,"id":331043,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Tan, S.","contributorId":53501,"corporation":false,"usgs":true,"family":"Tan","given":"S.","email":"","affiliations":[],"preferred":false,"id":331042,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Rattner, Barnett A. 0000-0003-3676-2843","orcid":"https://orcid.org/0000-0003-3676-2843","contributorId":95843,"corporation":false,"usgs":true,"family":"Rattner","given":"Barnett A.","affiliations":[{"id":50464,"text":"Eastern Ecological Science Center","active":true,"usgs":true}],"preferred":true,"id":331045,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Gerould, S.","contributorId":8578,"corporation":false,"usgs":true,"family":"Gerould","given":"S.","affiliations":[],"preferred":false,"id":331038,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Beasley, V.","contributorId":90855,"corporation":false,"usgs":true,"family":"Beasley","given":"V.","email":"","affiliations":[],"preferred":false,"id":331044,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Aguirre, A.","contributorId":25676,"corporation":false,"usgs":true,"family":"Aguirre","given":"A.","affiliations":[],"preferred":false,"id":331041,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Rowles, T.","contributorId":16135,"corporation":false,"usgs":true,"family":"Rowles","given":"T.","affiliations":[],"preferred":false,"id":331039,"contributorType":{"id":1,"text":"Authors"},"rank":9}]}}
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