{"pageNumber":"3304","pageRowStart":"82575","pageSize":"25","recordCount":184904,"records":[{"id":5223340,"text":"5223340 - 1999 - On the decline of the Rusty Blackbird and the use of ornithological literature to document long-term population trends","interactions":[],"lastModifiedDate":"2023-11-13T12:13:03.754339","indexId":"5223340","displayToPublicDate":"2010-06-16T12:18:51","publicationYear":"1999","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":"On the decline of the Rusty Blackbird and the use of ornithological literature to document long-term population trends","docAbstract":"<p><span>Unlike most North American blackbirds, Rusty Blackbirds (</span><i>Euphagus carolensis</i><span>) have shown steep population declines. Declines of approximately 90% are indicated for three recent decades from the Breeding Bird Survey, Christmas Bird Counts, and Quebec Checklist Program. Analyses of abundance classifications in bird distribution books and annotated checklists reveal an overlooked but long-term decline dating back to at least the early part of this century. Rusty Blackbirds were described as very common to abundant in 56% of the pre-1920 published accounts, 19% of the 1921–1950 accounts, and only 7% of the post-1950 accounts. Rusty Blackbirds were described as uncommon in none of the pre-1950 accounts, 18% of the 1951–1980 accounts, and 43% of the post-1980 accounts. A similar pattern was found for analyses based on local checklists. Destruction of wooded wetlands on wintering grounds, acid precipitation, and the conversion of boreal forest wetlands could have contributed to these declines. Systematic analysis of regional guides and checklists provides a valuable tool for examining large-scale and long-term population changes in birds.</span></p>","language":"English","publisher":"Wiley","doi":"10.1046/j.1523-1739.1999.97478.x","usgsCitation":"Greenberg, R., and Droege, S., 1999, On the decline of the Rusty Blackbird and the use of ornithological literature to document long-term population trends: Conservation Biology, v. 13, no. 3, p. 553-559, https://doi.org/10.1046/j.1523-1739.1999.97478.x.","productDescription":"7 p.","startPage":"553","endPage":"559","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":201750,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"otherGeospatial":"North 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America\"}}]}","volume":"13","issue":"3","noUsgsAuthors":false,"publicationDate":"2001-12-24","publicationStatus":"PW","scienceBaseUri":"4f4e4a0ee4b07f02db5fdd2d","contributors":{"authors":[{"text":"Greenberg, R.","contributorId":26778,"corporation":false,"usgs":true,"family":"Greenberg","given":"R.","email":"","affiliations":[],"preferred":false,"id":338477,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Droege, Sam 0000-0003-4393-0403","orcid":"https://orcid.org/0000-0003-4393-0403","contributorId":64185,"corporation":false,"usgs":true,"family":"Droege","given":"Sam","affiliations":[{"id":50464,"text":"Eastern Ecological Science Center","active":true,"usgs":true}],"preferred":false,"id":338478,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":5223394,"text":"5223394 - 1999 - Modeling pattern in collections of parameters","interactions":[],"lastModifiedDate":"2024-07-26T12:12:04.067853","indexId":"5223394","displayToPublicDate":"2010-06-16T12:18:51","publicationYear":"1999","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2508,"text":"Journal of Wildlife Management","active":true,"publicationSubtype":{"id":10}},"title":"Modeling pattern in collections of parameters","docAbstract":"Wildlife management is increasingly guided by analyses of large and complex datasets.  The description of such datasets often requires a large number of parameters, among which certain patterns might be discernible.  For example, one may consider a long-term study producing estimates of annual survival rates; of interest is the question whether these rates have declined through time.  Several statistical methods exist for examining pattern in collections of parameters.  Here, I argue for the superiority of  'random effects models' in which parameters are regarded as random variables, with distributions governed by 'hyperparameters' describing the patterns of interest.  Unfortunately, implementation of random effects models is sometimes difficult.  Ultrastructural models, in which the postulated pattern is built into the parameter structure of the original data analysis, are approximations to random effects models.  However, this approximation is not completely satisfactory: failure to account for natural variation among parameters can lead to overstatement of the evidence for pattern among parameters.  I describe quasi-likelihood methods that can be used to improve the approximation of random effects models by ultrastructural models.","language":"English","publisher":"Wildlife Society","doi":"10.2307/3802817 •","usgsCitation":"Link, W., 1999, Modeling pattern in collections of parameters: Journal of Wildlife Management, v. 63, no. 3, p. 1017-1027, https://doi.org/10.2307/3802817 •.","productDescription":"11 p.","startPage":"1017","endPage":"1027","numberOfPages":"11","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":199826,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"63","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b05e4b07f02db69981c","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":338649,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":5223455,"text":"5223455 - 1999 - Relative effects of plumage coloration and vegetation density on nest success","interactions":[],"lastModifiedDate":"2023-11-20T13:19:52.176901","indexId":"5223455","displayToPublicDate":"2010-06-16T12:18:51","publicationYear":"1999","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1318,"text":"Condor","active":true,"publicationSubtype":{"id":10}},"title":"Relative effects of plumage coloration and vegetation density on nest success","docAbstract":"Many passerine species are highly dichromatic with brightly-colored males and cryptically-colored females.  Bright plumage in males is commonly thought to arise as a result of sexual selection by females such that males with bright coloration possess high fitness.  However, bright plumage potentially could expose males to increased predation risk.  Consistent with this idea, males of many highly dichromatic passerine species do not incubate.  I tested whether brightly-colored males avoid incubation to reduce the probability of visual predators locating their nest.  This hypothesis predicts greater hatching success for clutches incubated by cryptically-colored individuals than by brightly-colored individuals. The Northern Cardinal (Cardinalis cardinalis) is a common dichromatic species that breeds throughout the eastern U.S.  I placed two button-quail (Turnix st).) eggs in each of 203 simulated cardinal nests.  Dull brown cardboard, simulating a female cardinal, was placed over about half of all clutches.  Bright red cardboard, simulating a male cardinal, was placed over the other clutches.  Nest success was highest for well-concealed nests (87%) and lowest for nests in open habitat (54%).  Nests containing red cardboard did not have significantly lower success than nests with brown cardboard, nor did I detect a significant color X vegetation-density interaction.  My analysis may have had insufficient power to detect an effect of color on nest success; alternatively, brightly-colored males that do not incubate may achieve benefits unrelated to predation risk.","language":"English","publisher":"Oxford Academic","doi":"10.2307/1369988","usgsCitation":"Miller, M., 1999, Relative effects of plumage coloration and vegetation density on nest success: Condor, v. 101, no. 2, p. 255-261, https://doi.org/10.2307/1369988.","productDescription":"7 p.","startPage":"255","endPage":"261","numberOfPages":"7","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":479402,"rank":2,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.2307/1369988","text":"Publisher Index Page"},{"id":198563,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"101","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ac8e4b07f02db67c02a","contributors":{"authors":[{"text":"Miller, M.W.","contributorId":57012,"corporation":false,"usgs":true,"family":"Miller","given":"M.W.","email":"","affiliations":[],"preferred":false,"id":338803,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":5224552,"text":"5224552 - 1999 - Predicting chick survival and productivity of Roseate Terns from data on early growth","interactions":[],"lastModifiedDate":"2012-02-02T00:15:29","indexId":"5224552","displayToPublicDate":"2010-06-16T12:18:51","publicationYear":"1999","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3731,"text":"Waterbirds","onlineIssn":"19385390","printIssn":"15244695","active":true,"publicationSubtype":{"id":10}},"title":"Predicting chick survival and productivity of Roseate Terns from data on early growth","docAbstract":"Early growth of Roseate Tern (Sterna dougallii) chicks is a strong predictor of chick survival and hence of productivity.  We developed discriminant functions to predict chick survival from body-masses measured during the first 3 days of life.  Productivity is estimated by assuming that almost all A-chicks (first-hatched in each brood) survive to fledging, and using the discriminant functions to predict survival of B-chicks (second-hatched in each brood).  A relation between survival rates and classification rates is derived, allowing discriminant function results to be used in predicting survival rates.  In the absence of predation, the resulting estimates of chick survival and productivity are almost as good as those obtained by more intensive methods, but require much less effort and much less disturbance.  This approach might be useful for other seabird species in which chick survival is determined primarily by parental performance.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Waterbirds","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","usgsCitation":"Robbins, C., 1999, Predicting chick survival and productivity of Roseate Terns from data on early growth: Waterbirds, v. 22, no. 1, p. 116-117.","productDescription":"90-97","startPage":"116","endPage":"117","numberOfPages":"2","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":202775,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":17432,"rank":200,"type":{"id":11,"text":"Document"},"url":"https://www.jstor.org/stable/1521997","linkFileType":{"id":5,"text":"html"}}],"volume":"22","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4acce4b07f02db67e87b","contributors":{"authors":[{"text":"Robbins, C.S.","contributorId":53907,"corporation":false,"usgs":true,"family":"Robbins","given":"C.S.","email":"","affiliations":[],"preferred":false,"id":341958,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":5224111,"text":"5224111 - 1999 - Role of banding in forest conservation strategy in eastern Guatemala","interactions":[],"lastModifiedDate":"2012-02-02T00:15:29","indexId":"5224111","displayToPublicDate":"2010-06-16T12:18:49","publicationYear":"1999","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2881,"text":"North American Bird Bander","active":true,"publicationSubtype":{"id":10}},"title":"Role of banding in forest conservation strategy in eastern Guatemala","docAbstract":"In response to a request from FUNDAECO, a Guatemalan non-government organization, we worked with them to develop a conservation strategy for the Cerro San Gil Protected Area and surrounding private lands. Volunteer banders from a dozen states and Canadian provinces assisted in long-term monitoring of populations of resident and migratory species through banding and point counts. Guatemalan students were trained to continue the research and initiate other conservation projects. Banding data helped demonstrate habitat and elevational affiliations, effects of habitat fragmentation, site fidelity, survival rates, local movements, and presence of rare species not otherwise detected. Banding was also an excellent teaching tool and provided videos for conservation programs on Guatemala national television. Roadside and off-road Breeding Bird Survey transects were used to map distribution of breeding species on habitat maps derived from satellite imagery, and point count surveys on private lands were used to identify prime habitats that warrant protection through conservation easements--a new concept for Central America.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"North American Bird Bander","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","usgsCitation":"Robbins, C., Dowell, B., Arias, I., and Cerezo B., A., 1999, Role of banding in forest conservation strategy in eastern Guatemala: North American Bird Bander, v. 24, no. 3, p. 93-94(abs).","productDescription":"93-94 (abstract)","startPage":"93","endPage":"94(abs)","numberOfPages":"-92","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":203099,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":17374,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://elibrary.unm.edu/sora/NABB/v024n03/p0090-p0099.pdf","linkFileType":{"id":1,"text":"pdf"}}],"volume":"24","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4afce4b07f02db69693b","contributors":{"authors":[{"text":"Robbins, C.S.","contributorId":53907,"corporation":false,"usgs":true,"family":"Robbins","given":"C.S.","email":"","affiliations":[],"preferred":false,"id":340581,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Dowell, B.A.","contributorId":35842,"corporation":false,"usgs":true,"family":"Dowell","given":"B.A.","email":"","affiliations":[],"preferred":false,"id":340580,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Arias, I.","contributorId":72105,"corporation":false,"usgs":true,"family":"Arias","given":"I.","email":"","affiliations":[],"preferred":false,"id":340582,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Cerezo B., A.","contributorId":11315,"corporation":false,"usgs":true,"family":"Cerezo B.","given":"A.","email":"","affiliations":[],"preferred":false,"id":340579,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":5223262,"text":"5223262 - 1999 - Annual survival of Snail Kites in Florida: Radio telemetry versus capture-resighting data","interactions":[],"lastModifiedDate":"2017-05-09T16:31:44","indexId":"5223262","displayToPublicDate":"2010-06-16T12:18:49","publicationYear":"1999","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3544,"text":"The Auk","onlineIssn":"1938-4254","printIssn":"0004-8038","active":true,"publicationSubtype":{"id":10}},"title":"Annual survival of Snail Kites in Florida: Radio telemetry versus capture-resighting data","docAbstract":"<p><span>We estimated annual survival of Snail Kites (<i>Rostrhamus sociabilis</i>) in Florida using the Kaplan-Meier estimator with data from 271 radio-tagged birds over a three-year period and capture-recapture (resighting) models with data from 1,319 banded birds over a six-year period. We tested the hypothesis that survival differed among three age classes using both data sources. We tested additional hypotheses about spatial and temporal variation using a combination of data from radio telemetry and single- and multistrata capture-recapture models. Results from these data sets were similar in their indications of the sources of variation in survival, but they differed in some parameter estimates. Both data sources indicated that survival was higher for adults than for juveniles, but they did not support delineation of a subadult age class. Our data also indicated that survival differed among years and regions for juveniles but not for adults. Estimates of juvenile survival using radio telemetry data were higher than estimates using capture-recapture models for two of three years (1992 and 1993). Ancillary evidence based on censored birds indicated that some mortality of radio-tagged juveniles went undetected during those years, resulting in biased estimates. Thus, we have greater confidence in our estimates of juvenile survival using capture-recapture models. Precision of estimates reflected the number of parameters estimated and was surprisingly similar between radio telemetry and single-stratum capture-recapture models, given the substantial differences in sample sizes. Not having to estimate resighting probability likely offsets, to some degree, the smaller sample sizes from our radio telemetry data. Precision of capture-recapture models was lower using multistrata models where region-specific parameters were estimated than using single-stratum models, where spatial variation in parameters was not taken into account.</span></p>","language":"English","publisher":"American Ornithological Society","doi":"10.2307/4089377","usgsCitation":"Bennetts, R., Dreitz, V., Kitchens, W., Hines, J., and Nichols, J., 1999, Annual survival of Snail Kites in Florida: Radio telemetry versus capture-resighting data: The Auk, v. 116, no. 2, p. 435-447, https://doi.org/10.2307/4089377.","productDescription":"13 p.","startPage":"435","endPage":"447","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":479404,"rank":1,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.2307/4089377","text":"Publisher Index Page"},{"id":195853,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"116","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4aa9e4b07f02db667ef2","contributors":{"authors":[{"text":"Bennetts, R.E.","contributorId":103214,"corporation":false,"usgs":true,"family":"Bennetts","given":"R.E.","affiliations":[],"preferred":false,"id":338240,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Dreitz, V.J.","contributorId":65432,"corporation":false,"usgs":true,"family":"Dreitz","given":"V.J.","affiliations":[],"preferred":false,"id":338238,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Kitchens, W.M.","contributorId":87647,"corporation":false,"usgs":true,"family":"Kitchens","given":"W.M.","affiliations":[],"preferred":false,"id":338239,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"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":338237,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"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":338236,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":5223780,"text":"5223780 - 1999 - Identification of in vitro cytochrome P450 modulators to detect induction by prototype inducers in the mallard duckling (<i>Anas platyrhynchos</i>","interactions":[],"lastModifiedDate":"2017-05-06T16:04:57","indexId":"5223780","displayToPublicDate":"2010-06-16T12:18:49","publicationYear":"1999","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3820,"text":"Comparative Biochemistry and Physiology, Part C: Pharmacology, Toxicology and Endocrinology","active":false,"publicationSubtype":{"id":10}},"title":"Identification of in vitro cytochrome P450 modulators to detect induction by prototype inducers in the mallard duckling (<i>Anas platyrhynchos</i>","docAbstract":"<p>Seven modulators of mammalian monooxygenase activity were screened for their ability to selectively stimulate or inhibit in vitro monooxygenase activities of hepatic microsomes from mallard ducklings treated with phenobarbital, <i>β</i>-naphthoflavone, 3,3′,4,4′,5-pentachlorobiphenyl or vehicle. Microsomes were assayed fluorometrically for four monooxygenases: benzyloxy-, ethoxy-, methoxy-, and pentoxyresorufin-<i>O</i>-dealkylase, in combination with each of the seven modulators. Four combinations: <i>α</i>-naphthoflavone and 2-methylbenzimidazole with benzyloxyresorufin, and Proadifen with methoxy- and ethoxyresorufin, respectively, were evaluated further. <i>β</i>-Naphthoflavone-treated groups were clearly distinguished from the corn oil vehicle control group by all of the assays and by the effects of the modulators in three of the four assay/modulator combinations. Enzyme activities of the phenobarbital and saline groups were statistically similar (<i>P</i>≥0.05) when assayed without modulator added, but each assay/modulator combination distinguished between these groups. The PCB-treated group was distinguished from the corn oil vehicle control group only for BROD activity, with or without the presence of modulator. Graphing of per cent modulation of BROD activity versus initial BROD activity provided the clearest distinction between all of the study groups. Identification of these selective in vitro modulators may improve detection and measurement of low level cytochrome P450 induction in avian species. Also, both the monooxygenase activities induced and the impacts of the modulators indicated differences between mammalian and avian cytochromes P450.</p>","language":"English","publisher":"Elsevier","doi":"10.1016/S0742-8413(98)10119-6","usgsCitation":"Renauld, A., Melancon, M.J., and Sordillo, L., 1999, Identification of in vitro cytochrome P450 modulators to detect induction by prototype inducers in the mallard duckling (<i>Anas platyrhynchos</i>: Comparative Biochemistry and Physiology, Part C: Pharmacology, Toxicology and Endocrinology, v. 122, no. 2, p. 273-281, https://doi.org/10.1016/S0742-8413(98)10119-6.","productDescription":"9 p.","startPage":"273","endPage":"281","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":199520,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"122","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a0ae4b07f02db5fb3ff","contributors":{"authors":[{"text":"Renauld, A.E.","contributorId":76854,"corporation":false,"usgs":true,"family":"Renauld","given":"A.E.","email":"","affiliations":[],"preferred":false,"id":339474,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Melancon, M. J.","contributorId":96206,"corporation":false,"usgs":true,"family":"Melancon","given":"M.","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":339475,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Sordillo, L.M.","contributorId":55118,"corporation":false,"usgs":true,"family":"Sordillo","given":"L.M.","email":"","affiliations":[],"preferred":false,"id":339473,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":5223263,"text":"5223263 - 1999 - Factors influencing counts in an annual survey of Snail Kites in Florida","interactions":[],"lastModifiedDate":"2017-05-09T16:29:07","indexId":"5223263","displayToPublicDate":"2010-06-16T12:18:49","publicationYear":"1999","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3544,"text":"The Auk","onlineIssn":"1938-4254","printIssn":"0004-8038","active":true,"publicationSubtype":{"id":10}},"title":"Factors influencing counts in an annual survey of Snail Kites in Florida","docAbstract":"<p><span>Snail Kites (<i>Rostrhamus sociabilis</i>) in Florida were monitored between 1969 and 1994 using a quasi-systematic annual survey. We analyzed data from the annual Snail Kite survey using a generalized linear model where counts were regarded as overdispersed Poisson random variables. This approach allowed us to investigate covariates that might have obscured temporal patterns of population change or induced spurious patterns in count data by influencing detection rates. We selected a model that distinguished effects related to these covariates from other temporal effects, allowing us to identify patterns of population change in count data. Snail Kite counts were influenced by observer differences, site effects, effort, and water levels. Because there was no temporal overlap of the primary observers who collected count data, patterns of change could be estimated within time intervals covered by an observer, but not for the intervals among observers. Modeled population change was quite different from the change in counts, suggesting that analyses based on unadjusted counts do not accurately model Snail Kite population change. Results from this analysis were consistent with previous reports of an association between water levels and counts, although further work is needed to determine whether water levels affect actual population size as well as detection rates of Snail Kites. Although the effects of variation in detection rates can sometimes be mitigated by including controls for factors related to detection rates, it is often difficult to distinguish factors wholly related to detection rates from factors related to population size. For factors related to both, count survey data cannot be adequately analyzed without explicit estimation of detection rates, using procedures such as capture-recapture.</span></p>","language":"English","publisher":"American Ornithological Society","doi":"10.2307/4089366","usgsCitation":"Bennetts, R., Link, W., Sauer, J., and Sykes, P., 1999, Factors influencing counts in an annual survey of Snail Kites in Florida: The Auk, v. 116, no. 2, p. 316-323, https://doi.org/10.2307/4089366.","productDescription":"8 p.","startPage":"316","endPage":"323","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":487022,"rank":1,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.2307/4089366","text":"Publisher Index Page"},{"id":195854,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"116","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a05e4b07f02db5f872d","contributors":{"authors":[{"text":"Bennetts, R.E.","contributorId":103214,"corporation":false,"usgs":true,"family":"Bennetts","given":"R.E.","affiliations":[],"preferred":false,"id":338243,"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":338241,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"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":338242,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Sykes, P.W. Jr.","contributorId":107385,"corporation":false,"usgs":true,"family":"Sykes","given":"P.W.","suffix":"Jr.","email":"","affiliations":[],"preferred":false,"id":338244,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":5223817,"text":"5223817 - 1999 - Fifty-year trends in a box turtle population in Maryland","interactions":[],"lastModifiedDate":"2016-01-04T15:51:40","indexId":"5223817","displayToPublicDate":"2010-06-16T12:18:49","publicationYear":"1999","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":"Fifty-year trends in a box turtle population in Maryland","docAbstract":"<p>A survey conducted in 1995 investigated long term declines reported in a population of box turtles Terrapene Carolina monitored each decade since 1945 in bottomland hardwood forest at the Patuxent Wildlife Research Center, Maryland. Methods duplicated past surveys in most respects, but were supplemented by radiotelemetry and a survey of dominant vegetation. Seventy different turtles were found on the 11.8 ha study area, a decline of &gt;75% since peak populations were recorded in 1955. Searchers were less efficient in 1995 than in 1945-1975 for a variety of possible reasons. Among turtles recorded, approximately equal numbers persisted from each of the past five decades, with some individuals surviving &gt;70 years. A sex ratio strongly favoring males was first recorded in 1975 and continued in 1995, but juveniles and subadults were found in greater proportion in 1995 than in any other survey. Six of nine radio-marked turtles left the bottomland study area and migrated to the adjoining bluffs to hibernate, suggesting more extensive movements and perhaps less stable home ranges than formerly thought. Age structure of trees indicated a gradual change to more shade-tolerant species. Examination of rates of change from survey data suggested that major losses probably resulted from changes in hydrology that exacerbated flooding in 1972, with recovery only beginning in 1995 and perhaps limited both by repeated flood events and successional changes in the forest. Slow recovery from losses may indicate that populations of the species would respond poorly to exploitation.</p>","language":"English","publisher":"Elsevier","doi":"10.1016/S0006-3207(98)00107-4","usgsCitation":"Hall, R., Henry, P., and Bunck, C., 1999, Fifty-year trends in a box turtle population in Maryland: Biological Conservation, v. 88, no. 2, p. 165-172, https://doi.org/10.1016/S0006-3207(98)00107-4.","productDescription":"8 p.","startPage":"165","endPage":"172","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":202191,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"88","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49fbe4b07f02db5f4883","contributors":{"authors":[{"text":"Hall, R.J.","contributorId":32885,"corporation":false,"usgs":true,"family":"Hall","given":"R.J.","email":"","affiliations":[],"preferred":false,"id":339593,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Henry, P.F.P.","contributorId":14531,"corporation":false,"usgs":true,"family":"Henry","given":"P.F.P.","email":"","affiliations":[],"preferred":false,"id":339592,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Bunck, C.M.","contributorId":72337,"corporation":false,"usgs":true,"family":"Bunck","given":"C.M.","email":"","affiliations":[],"preferred":false,"id":339594,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":5223333,"text":"5223333 - 1999 - Identification, inheritance, and linkage of B-G-like and MHC class I genes in cranes","interactions":[],"lastModifiedDate":"2024-05-08T13:38:32.58036","indexId":"5223333","displayToPublicDate":"2010-06-16T12:18:49","publicationYear":"1999","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2333,"text":"Journal of Heredity","active":true,"publicationSubtype":{"id":10}},"title":"Identification, inheritance, and linkage of B-G-like and MHC class I genes in cranes","docAbstract":"<p><span>We identified&nbsp;</span><i>B-G</i><span>-like genes in the whooping and Florida sandhill cranes and linked them to the major histocompatibility complex (MHC). We evaluated the inheritance of&nbsp;</span><i>B-G</i><span>-like genes in families of whooping and Florida sandhill cranes using restriction fragment patterns (RFPs). Two&nbsp;</span><i>B-G</i><span>-like genes, designated&nbsp;</span><i>wcbg1</i><span>&nbsp;and&nbsp;</span><i>wcbg2</i><span>, were located within 8 kb of one another. The fully sequenced&nbsp;</span><i>wcbg2</i><span>&nbsp;gene encodes a&nbsp;</span><i>B-G</i><span>-IgV-like domain, an additional Ig-like domain, a transmembrane domain, and a single heptad domain typical of α-helical coiled coils. Patterns of restriction fragments in DNA from the whooping crane and from a number of other species indicate that the&nbsp;</span><i>B-G</i><span>-like gene families of cranes are large with diverse sequences. Segregation of RFPs in families of Florida sandhill cranes provide evidence for genetic polymorphism in the&nbsp;</span><i>B-G</i><span>-like genes. The restriction fragments generally segregated in concert with MHC haplotypes assigned by serological typing and by single stranded conformational polymorphism (SSCP) assays based in the second exon of the crane MHC class I genes. This study supports the concept of a long-term association of polymorphic&nbsp;</span><i>B-G</i><span>-like genes with MHC. It also establishes SSCP as a means for evaluating MHC genetic variability in cranes.</span></p>","language":"English","publisher":"Oxford Academic","doi":"10.1093/jhered/90.1.152","usgsCitation":"Jarvi, S., Goto, R., Gee, G., Briles, W., and Miller, M., 1999, Identification, inheritance, and linkage of B-G-like and MHC class I genes in cranes: Journal of Heredity, v. 90, no. 1, p. 152-159, https://doi.org/10.1093/jhered/90.1.152.","productDescription":"8 p.","startPage":"152","endPage":"159","numberOfPages":"8","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":201748,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"90","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ac9e4b07f02db67c768","contributors":{"authors":[{"text":"Jarvi, S.I.","contributorId":60341,"corporation":false,"usgs":true,"family":"Jarvi","given":"S.I.","affiliations":[],"preferred":false,"id":338455,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Goto, R.M.","contributorId":13347,"corporation":false,"usgs":true,"family":"Goto","given":"R.M.","email":"","affiliations":[],"preferred":false,"id":338452,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Gee, G.F.","contributorId":70335,"corporation":false,"usgs":true,"family":"Gee","given":"G.F.","email":"","affiliations":[],"preferred":false,"id":338456,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Briles, W.E.","contributorId":34614,"corporation":false,"usgs":true,"family":"Briles","given":"W.E.","email":"","affiliations":[],"preferred":false,"id":338454,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Miller, M.M.","contributorId":24048,"corporation":false,"usgs":true,"family":"Miller","given":"M.M.","email":"","affiliations":[],"preferred":false,"id":338453,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":5223818,"text":"5223818 - 1999 - Temporal differences in point counts of bottomland forest landbirds","interactions":[],"lastModifiedDate":"2012-02-02T00:15:42","indexId":"5223818","displayToPublicDate":"2010-06-16T12:18:49","publicationYear":"1999","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3783,"text":"The Wilson Bulletin","printIssn":"0043-5643","active":true,"publicationSubtype":{"id":10}},"title":"Temporal differences in point counts of bottomland forest landbirds","docAbstract":"We compared number of avian species and individuals in morning and evening point counts during the breeding season and during winter in a bottomland hardwood forest in west-central Mississippi. USA.  In both seasons, more species and individuals were recorded during morning counts than during evening counts. We also compared morning and evening detections for 18 species during the breeding season and 9 species during winter.  Blue Jay (Cyanocitta cristata), Mourning Dove (Zenaida macroura), and Red-bellied Woodpecker (Melanerpes carolinus) were detected significantly more often in morning counts than in evening counts during the breeding season.  Tufted Titmouse (Baeolophus bicolor) was recorded more often in morning Counts than evening counts during the breeding season and during winter.  No species was detected more often in evening counts.  Thus, evening point counts of birds during either the breeding season or winter will likely underestimate species richness, overall avian abundance, and the abundance of some individual species in bottomland hardwood forests.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Wilson Bulletin","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","collaboration":"5273_Smith.pdf","usgsCitation":"Smith, W., and Twedt, D., 1999, Temporal differences in point counts of bottomland forest landbirds: The Wilson Bulletin, v. 111, no. 1, p. 139-143.","productDescription":"139-143","startPage":"139","endPage":"143","numberOfPages":"5","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":17380,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://elibrary.unm.edu/sora/Wilson/v111n01/p0139-p0143.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":200183,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"111","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4adae4b07f02db6855da","contributors":{"authors":[{"text":"Smith, W.P.","contributorId":97217,"corporation":false,"usgs":true,"family":"Smith","given":"W.P.","email":"","affiliations":[],"preferred":false,"id":339595,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Twedt, D.J. 0000-0003-1223-5045","orcid":"https://orcid.org/0000-0003-1223-5045","contributorId":105009,"corporation":false,"usgs":true,"family":"Twedt","given":"D.J.","affiliations":[],"preferred":false,"id":339596,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":5223808,"text":"5223808 - 1999 - Potential roadside biases due to habitat changes along Breeding Bird Survey routes","interactions":[],"lastModifiedDate":"2023-11-20T13:21:12.626722","indexId":"5223808","displayToPublicDate":"2010-06-16T12:18:49","publicationYear":"1999","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1318,"text":"Condor","active":true,"publicationSubtype":{"id":10}},"title":"Potential roadside biases due to habitat changes along Breeding Bird Survey routes","docAbstract":"Breeding Bird Surveys (BBS) are conducted along roadside routes to enable a large geographic area to be surveyed.  Yet the potential biases of sampling populations only from roadsides have received little attention.  We sampled aerial photography of BBS routes taken in the mid-1960s and late-1980s to evaluate whether habitat changes that occurred along roadsides were also occurring in the surrounding area, and whether the frequency of habitats encountered along roadsides were similar to that off-route.  We examined 28 routes in Maryland and 25 routes in Ohio, and defined roadside area as within 200 m of the road, and off-route as 200-1,600 m from the road.  Most habitat changes that occurred along BBS roadsides also were occurring in the off-route areas.  However, increases in urban cover was significantly greater along the road in Maryland where urbanization of farmland was the predominant habitat change.  The small increase in urban cover in Ohio was not significantly greater along the road.  Construction of single family homes was greater along BBS roadsides in both states.  In Ohio, the greatest change in habitat was the conversion of farmland back to forest, which was not significantly greater along the road.  Changes associated with urbanization were more biased towards roadsides than the reforestation of farmland.  Within one time period, roadside areas had less forest and more agricultural and urban cover types than occurred off-route.","language":"English","publisher":"Oxford Academic","doi":"10.2307/1370445","usgsCitation":"Keller, C., and Scallan, J., 1999, Potential roadside biases due to habitat changes along Breeding Bird Survey routes: Condor, v. 101, no. 1, p. 50-57, https://doi.org/10.2307/1370445.","productDescription":"8 p.","startPage":"50","endPage":"57","numberOfPages":"8","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":479403,"rank":2,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.2307/1370445","text":"Publisher Index Page"},{"id":200307,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"101","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b23e4b07f02db6ae173","contributors":{"authors":[{"text":"Keller, C.M.E.","contributorId":28332,"corporation":false,"usgs":true,"family":"Keller","given":"C.M.E.","email":"","affiliations":[],"preferred":false,"id":339565,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Scallan, J.T.","contributorId":51420,"corporation":false,"usgs":true,"family":"Scallan","given":"J.T.","email":"","affiliations":[],"preferred":false,"id":339566,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":5223327,"text":"5223327 - 1999 - Influence of deer abundance on the abundance of questing adult Ixodes scapularis (Acari: Ixodidae)","interactions":[],"lastModifiedDate":"2024-05-09T16:27:04.295693","indexId":"5223327","displayToPublicDate":"2010-06-16T12:18:49","publicationYear":"1999","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2385,"text":"Journal of Medical Entomology","active":true,"publicationSubtype":{"id":10}},"title":"Influence of deer abundance on the abundance of questing adult Ixodes scapularis (Acari: Ixodidae)","docAbstract":"<p><span>Nymphal and adult&nbsp;</span><i>Ixodes scapularis</i><span>&nbsp;Say were sampled by flagging at 2 sites on a barrier island, Fire Island, NY, and at 2 sites on the nearby mainland. Nymphal densities did not differ consistently between island and mainland sites, but adult densities were consistently lower on the island. We tested whether lower adult densities on the island resulted from greater nymphal mortality on the island than the mainland, or whether adult ticks on the island were poorly sampled by flagging because they had attached abundantly to deer, which were common on Fire Island. Differential nymphal mortality on islands versus mainland did not explain this difference in adult densities because survival of flat and engorged nymphs in enclosures was the same at island and mainland sites. Ticks were infected by parasitic wasps on the island and not the mainland, but the infection rate (4.3%) was too low to explain the difference in adult tick densities. In contrast, exclusion of deer by game fencing on Fire Island resulted in markedly increased numbers of adult ticks in flagging samples inside compared with samples taken outside the exclosures. Therefore, the scarcity of adult ticks in flagging samples on Fire Island resulted, at least in part, from the ticks being unavailable to flagging samples because they were on deer hosts. Differences in the densities of flagged ticks inside and outside the exclosures were used to estimate the percentage of questing adults on Fire Island that found deer hosts, excluding those that attached to other host species. Approximately 56% of these questing adult ticks found deer hosts in 1995 and 50% found deer hosts in 1996. Therefore, in areas where vertebrate hosts are highly abundant, large proportions of the questing tick population can find hosts. Moreover, comparisons of tick densities at different sites by flagging can be potentially biased by differences in host densities among sites.</span></p>","language":"English","publisher":"Oxford Academic","doi":"10.1093/jmedent/36.3.376","usgsCitation":"Ginsberg, H., and Zhioua, E., 1999, Influence of deer abundance on the abundance of questing adult Ixodes scapularis (Acari: Ixodidae): Journal of Medical Entomology, v. 36, no. 3, p. 376-381, https://doi.org/10.1093/jmedent/36.3.376.","productDescription":"6 p.","startPage":"376","endPage":"381","numberOfPages":"6","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":487056,"rank":2,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1093/jmedent/36.3.376","text":"Publisher Index Page"},{"id":198365,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"36","issue":"3","noUsgsAuthors":false,"publicationDate":"1999-05-01","publicationStatus":"PW","scienceBaseUri":"4f4e478ee4b07f02db489d7c","contributors":{"authors":[{"text":"Ginsberg, H. S. 0000-0002-4933-2466","orcid":"https://orcid.org/0000-0002-4933-2466","contributorId":27576,"corporation":false,"usgs":true,"family":"Ginsberg","given":"H. S.","affiliations":[],"preferred":false,"id":338434,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Zhioua, E.","contributorId":27165,"corporation":false,"usgs":true,"family":"Zhioua","given":"E.","affiliations":[],"preferred":false,"id":338433,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":5224004,"text":"5224004 - 1999 - Contaminant exposure and effects database for wild terrestrial vertebrates:  A source for information on endocrine disrupting chemicals","interactions":[],"lastModifiedDate":"2012-02-02T00:15:41","indexId":"5224004","displayToPublicDate":"2010-06-16T12:18:47","publicationYear":"1999","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2090,"text":"International Symposium on Environmental Endocrine Disruptors","active":true,"publicationSubtype":{"id":10}},"title":"Contaminant exposure and effects database for wild terrestrial vertebrates:  A source for information on endocrine disrupting chemicals","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"International Symposium on Environmental Endocrine Disruptors","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","usgsCitation":"Golden, N.H., Ottinger, M.A., Rattner, B., Cohen, J., Loges, L., and Erwin, R., 1999, Contaminant exposure and effects database for wild terrestrial vertebrates:  A source for information on endocrine disrupting chemicals: International Symposium on Environmental Endocrine Disruptors, v. 1999.","productDescription":"241 (abstract)","startPage":"241 (abs)","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":200231,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"1999","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b05e4b07f02db699d07","contributors":{"authors":[{"text":"Golden, N. H.","contributorId":55541,"corporation":false,"usgs":true,"family":"Golden","given":"N.","email":"","middleInitial":"H.","affiliations":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"preferred":false,"id":340200,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Ottinger, M. A.","contributorId":99078,"corporation":false,"usgs":true,"family":"Ottinger","given":"M.","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":340203,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"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":340202,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Cohen, J.B.","contributorId":29914,"corporation":false,"usgs":true,"family":"Cohen","given":"J.B.","email":"","affiliations":[],"preferred":false,"id":340198,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Loges, L.M.","contributorId":45421,"corporation":false,"usgs":true,"family":"Loges","given":"L.M.","email":"","affiliations":[],"preferred":false,"id":340199,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Erwin, R.M.","contributorId":57396,"corporation":false,"usgs":true,"family":"Erwin","given":"R.M.","email":"","affiliations":[],"preferred":false,"id":340201,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}}
,{"id":5223850,"text":"5223850 - 1999 - Abundance and reproduction of songbirds in burned and unburned pine forests of the Georgia Piedmont","interactions":[],"lastModifiedDate":"2012-02-02T00:15:38","indexId":"5223850","displayToPublicDate":"2010-06-16T12:18:36","publicationYear":"1999","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2284,"text":"Journal of Field Ornithology","active":true,"publicationSubtype":{"id":10}},"title":"Abundance and reproduction of songbirds in burned and unburned pine forests of the Georgia Piedmont","docAbstract":"We studied the abundance and productivity of songbirds in prescribed burned and unburned mature (>60 yr) pine forests at Piedmont National Wildlife Refuge, Georgia, during 1993-1995.  We estimated species abundance, richness, and evenness using data from 312 point counts in 18 burned sites and six unburned sites.  We measured gross habitat features in 0.04-ha circles centered on each point count station.  We calculated productivity estimates at nests of seven of the most common nesting species.  Habitat components we measured in 1-, 2-, and 3-yr post-burn sites were similar, but most components differed between burned and unburned sites.  Although 98 species were detected during point counts, we report only on the 46 species that nested in the area and were detected >10% of the counts in either habitat class.  Twenty-one species preferred burned sites and six preferred unburned sites.  Avian species richness and evenness were similar for burned and unburned sites. Burned sites were preferred for nesting over unburned sites.  Only nine nests of six species were found in unburned sites.  Productivity estimates were low in burned sites.  One or more eggs hatched in only 59 of 187 nests monitored, and an average of only 0.82 chicks per nest were estimated to have fledged.  Predation was the most common probable cause for nest failure, ranging from 45% in the Northern Cardinal (Cardinalis cardinalis) to 64% in the Summer Tanager (Piranga rubra).  Because the sources of predation at the refuge are unknown, future research should address this issue.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Journal of Field Ornithology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","usgsCitation":"White, D.H., Chapman, B., Brunjes, J., Raftovich, R., and Seginak, J., 1999, Abundance and reproduction of songbirds in burned and unburned pine forests of the Georgia Piedmont: Journal of Field Ornithology, v. 70, no. 3, p. 414-424.","productDescription":"414-424","startPage":"414","endPage":"424","numberOfPages":"11","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":200343,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":16987,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://elibrary.unm.edu/sora/JFO/v070n03/p0414-p0424.pdf","linkFileType":{"id":1,"text":"pdf"}}],"volume":"70","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b13e4b07f02db6a3834","contributors":{"authors":[{"text":"White, Donald H.","contributorId":97868,"corporation":false,"usgs":true,"family":"White","given":"Donald","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":339703,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Chapman, B.R.","contributorId":56762,"corporation":false,"usgs":true,"family":"Chapman","given":"B.R.","email":"","affiliations":[],"preferred":false,"id":339701,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Brunjes, J.H. IV","contributorId":32269,"corporation":false,"usgs":true,"family":"Brunjes","given":"J.H.","suffix":"IV","email":"","affiliations":[],"preferred":false,"id":339700,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Raftovich, R.V. Jr.","contributorId":59914,"corporation":false,"usgs":true,"family":"Raftovich","given":"R.V.","suffix":"Jr.","affiliations":[],"preferred":false,"id":339702,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Seginak, J.T.","contributorId":100783,"corporation":false,"usgs":true,"family":"Seginak","given":"J.T.","affiliations":[],"preferred":false,"id":339704,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":5223852,"text":"5223852 - 1999 - Trash-caused mortality in Mongolian raptors","interactions":[],"lastModifiedDate":"2012-02-02T00:15:33","indexId":"5223852","displayToPublicDate":"2010-06-16T12:18:36","publicationYear":"1999","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":698,"text":"Ambio","active":true,"publicationSubtype":{"id":10}},"title":"Trash-caused mortality in Mongolian raptors","docAbstract":"On four expeditions (1994, 1995, 1997, and 1998) through Mongolia, we found two kinds of mortality associated with trash gathered by parent raptors as part of the nest building process.  Our observations of actual mortality were limited to three species: the golden eagle (Aquila chrysaetos) (2 clutches of eggs), the saker falcon (Falco cherrug) (4 nestlings), and the upland buzzard (Buteo hemilasius) (1 nestling); all from the eastern half of Mongolia.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Ambio","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","usgsCitation":"Ellis, D.H., and Lish, J., 1999, Trash-caused mortality in Mongolian raptors: Ambio, v. 28, no. 6, p. 536-537.","productDescription":"536-537","startPage":"536","endPage":"537","numberOfPages":"2","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":202003,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":16990,"rank":200,"type":{"id":11,"text":"Document"},"url":"https://www.jstor.org/stable/4314949","linkFileType":{"id":5,"text":"html"}}],"volume":"28","issue":"6","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4affe4b07f02db697d75","contributors":{"authors":[{"text":"Ellis, D. H.","contributorId":79830,"corporation":false,"usgs":true,"family":"Ellis","given":"D.","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":339708,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Lish, J.W.","contributorId":13331,"corporation":false,"usgs":true,"family":"Lish","given":"J.W.","email":"","affiliations":[],"preferred":false,"id":339707,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":5223869,"text":"5223869 - 1999 - Using endoscopy to diagnose hatching problems in cranes","interactions":[],"lastModifiedDate":"2018-02-06T13:07:28","indexId":"5223869","displayToPublicDate":"2010-06-16T12:18:28","publicationYear":"1999","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":910,"text":"Association of Avian Veterinarians Proceedings","active":true,"publicationSubtype":{"id":10}},"title":"Using endoscopy to diagnose hatching problems in cranes","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Association of Avian Veterinarians Proceedings","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","usgsCitation":"Olsen, G.H., 1999, Using endoscopy to diagnose hatching problems in cranes: Association of Avian Veterinarians Proceedings, v. 1999, p. 147-148.","productDescription":"147-148","startPage":"147","endPage":"148","numberOfPages":"2","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":202012,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"1999","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a16e4b07f02db603c46","contributors":{"authors":[{"text":"Olsen, Glenn H. 0000-0002-7188-6203 golsen@usgs.gov","orcid":"https://orcid.org/0000-0002-7188-6203","contributorId":40918,"corporation":false,"usgs":true,"family":"Olsen","given":"Glenn","email":"golsen@usgs.gov","middleInitial":"H.","affiliations":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"preferred":false,"id":339775,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":5223861,"text":"5223861 - 1999 - [Book review]  Wetland birds:  Habitat resources and conservation implications, by Milton W. Weller","interactions":[],"lastModifiedDate":"2012-02-02T00:15:34","indexId":"5223861","displayToPublicDate":"2010-06-16T12:18:28","publicationYear":"1999","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3731,"text":"Waterbirds","onlineIssn":"19385390","printIssn":"15244695","active":true,"publicationSubtype":{"id":10}},"title":"[Book review]  Wetland birds:  Habitat resources and conservation implications, by Milton W. Weller","docAbstract":"Milton Weller's love of wetlands and their inhabitants comes through in this book, and he continues a leadership role in a world of field ecologists where fewer and fewer are really experiencing the wet and wild.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Waterbirds","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","usgsCitation":"Erwin, R., 1999, [Book review]  Wetland birds:  Habitat resources and conservation implications, by Milton W. Weller: Waterbirds, v. 22, no. 2, p. 320-321.","productDescription":"320-321","startPage":"320","endPage":"321","numberOfPages":"2","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":16728,"rank":200,"type":{"id":11,"text":"Document"},"url":"https://www.jstor.org/stable/1522224","linkFileType":{"id":5,"text":"html"}},{"id":202007,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"22","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e47abe4b07f02db499a81","contributors":{"authors":[{"text":"Erwin, R.M.","contributorId":57396,"corporation":false,"usgs":true,"family":"Erwin","given":"R.M.","email":"","affiliations":[],"preferred":false,"id":339741,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":5223389,"text":"5223389 - 1999 - Predicting chick survival and productivity of Roseate Terns from data on early growth","interactions":[],"lastModifiedDate":"2012-02-02T00:15:37","indexId":"5223389","displayToPublicDate":"2010-06-16T12:13:00","publicationYear":"1999","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3731,"text":"Waterbirds","onlineIssn":"19385390","printIssn":"15244695","active":true,"publicationSubtype":{"id":10}},"title":"Predicting chick survival and productivity of Roseate Terns from data on early growth","docAbstract":"Early growth of Roseate Tern (Sterna dougallii) chicks is a strong predictor of chick survival and hence of productivity.  We developed discriminant functions to predict chick survival from body-masses measured during the first 3 days of life.  Productivity is estimated by assuming that almost all A-chicks (first-hatched in each brood) survive to fledging, and using the discriminant functions to predict survival of B-chicks (second-hatched in each brood).  A relation between survival rates and classification rates is derived, allowing discriminant function results to be used in predicting survival rates.  In the absence of predation, the resulting estimates of chick survival and productivity are almost as good as those obtained by more intensive methods, but require much less effort and much less disturbance.  This approach might be useful for other seabird species in which chick survival is determined primarily by parental performance.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Waterbirds","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","usgsCitation":"Nisbet, I., Hatfield, J., Link, W., and Spendelow, J., 1999, Predicting chick survival and productivity of Roseate Terns from data on early growth: Waterbirds, v. 22, no. 1, p. 90-97.","startPage":"90","endPage":"97","numberOfPages":"8","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":199825,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"22","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4acce4b07f02db67e9d7","contributors":{"authors":[{"text":"Nisbet, I.C.T.","contributorId":54942,"corporation":false,"usgs":true,"family":"Nisbet","given":"I.C.T.","email":"","affiliations":[],"preferred":false,"id":338629,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hatfield, Jeff S.","contributorId":41372,"corporation":false,"usgs":true,"family":"Hatfield","given":"Jeff S.","affiliations":[],"preferred":false,"id":338628,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"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":338627,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Spendelow, J. A. 0000-0001-8167-0898","orcid":"https://orcid.org/0000-0001-8167-0898","contributorId":72478,"corporation":false,"usgs":true,"family":"Spendelow","given":"J. A.","affiliations":[],"preferred":false,"id":338630,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":5223393,"text":"5223393 - 1999 - Controlling for varying effort in count surveys: An analysis of Christmas Bird Count data","interactions":[],"lastModifiedDate":"2024-02-15T15:30:02.367825","indexId":"5223393","displayToPublicDate":"2010-06-16T00:00:00","publicationYear":"1999","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2151,"text":"Journal of Agricultural, Biological, and Environmental Statistics","active":true,"publicationSubtype":{"id":10}},"title":"Controlling for varying effort in count surveys: An analysis of Christmas Bird Count data","docAbstract":"<p><span>The Christmas Bird Count (CBC) is a valuable source of information about midwinter populations of birds in the continental U.S. and Canada. Analysis of CBC data is complicated by substantial variation among sites and years in effort expended in counting; this feature of the CBC is common to many other wildlife surveys. Specification of a method for adjusting counts for effort is a matter of some controversy. Here, we present models for longitudinal count surveys with varying effort; these describe the effect of effort as proportional to exp(B effortp), where B and p are parameters. For any fixed p, our models are loglinear in the transformed explanatory variable (effort)p and other covariables. Hence, we fit a collection of loglinear models corresponding to a range of values of p and select the best effort adjustment from among these on the basis of fit statistics. We apply this procedure to data for six bird species in five regions, for the period 1959-1988.</span></p>","language":"English","publisher":"Springer","doi":"10.2307/1400592","usgsCitation":"Link, W., and Sauer, J., 1999, Controlling for varying effort in count surveys: An analysis of Christmas Bird Count data: Journal of Agricultural, Biological, and Environmental Statistics, v. 4, no. 2, p. 116-125, https://doi.org/10.2307/1400592.","productDescription":"10 p.","startPage":"116","endPage":"125","numberOfPages":"10","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":198686,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"4","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4adce4b07f02db686566","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":338647,"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":338648,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":5223890,"text":"5223890 - 1999 - Species, habitat alterations affect bee pollinators in U.S. northeast","interactions":[],"lastModifiedDate":"2013-03-16T19:20:20","indexId":"5223890","displayToPublicDate":"2010-06-16T00:00:00","publicationYear":"1999","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3030,"text":"People, Land, and Water","active":true,"publicationSubtype":{"id":10}},"title":"Species, habitat alterations affect bee pollinators in U.S. northeast","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"People, Land, and Water","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","usgsCitation":"Ginsberg, H., 1999, Species, habitat alterations affect bee pollinators in U.S. northeast: People, Land, and Water, v. 6, no. 5.","productDescription":"22","startPage":"22","numberOfPages":"22","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":202013,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"6","issue":"5","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49e4e4b07f02db5e5ebe","contributors":{"authors":[{"text":"Ginsberg, H. S. 0000-0002-4933-2466","orcid":"https://orcid.org/0000-0002-4933-2466","contributorId":27576,"corporation":false,"usgs":true,"family":"Ginsberg","given":"H. S.","affiliations":[],"preferred":false,"id":339850,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":5223334,"text":"5223334 - 1999 - Toxicity of lead-contaminated sediment to mallards","interactions":[],"lastModifiedDate":"2018-03-23T15:12:49","indexId":"5223334","displayToPublicDate":"2010-06-16T00:00:00","publicationYear":"1999","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":887,"text":"Archives of Environmental Contamination and Toxicology","active":true,"publicationSubtype":{"id":10}},"title":"Toxicity of lead-contaminated sediment to mallards","docAbstract":"<p>Because consumption of lead-contaminated sediment has been suspected as the cause of waterfowl mortality in the Coeur d?Alene River basin in Idaho, we studied the bioavailability and toxicity of this sediment to mallards (Anas platyrhynchos). In experiment 1, one of 10 adult male mallards died when fed a pelleted commercial duck diet that contained 24% lead-contaminated sediment (with 3,400 &mu;g/g lead in the sediment). Protoporphyrin levels in the blood increased as the percentage of lead-contaminated sediment in the diet increased. Birds fed 24% lead-contaminated sediment exhibited atrophy of the breast muscles, green staining of the feathers around the vent, viscous bile, green staining of the gizzard lining, and renal tubular intranuclear inclusion bodies. Mallards fed 24% lead-contaminated sediment had means of 6.1 &mu;g/g of lead in the blood and 28 &mu;g/g in the liver (wet-weight basis) and 1,660 &mu;g/g in the feces (dry-weight basis). In experiment 2, we raised the dietary concentration of the lead-contaminated sediment to 48%, but only about 20% sediment was actually ingested due to food washing by the birds. Protoporphyrin levels were elevated in the lead-exposed birds, and all of the mallards fed 48% lead-contaminated sediment had renal tubular intranuclear inclusion bodies. The concentrations of lead in the liver were 9.1 &mu;g/g for mallards fed 24% lead-contaminated sediment and 16 &mu;g/g for mallards fed 48% lead-contaminated sediment. In experiment 3, four of five mallards died when fed a ground corn diet containing 24% lead-contaminated sediment (with 4,000 &mu;g/g lead in this sample of sediment), but none died when the 24% lead-contaminated sediment was mixed into a nutritionally balanced commercial duck diet; estimated actual ingestion rates for sediment were 14% and 17% for the corn and commercial diets. Lead exposure caused elevations in protoporphyrin, and four of the five mallards fed 24% lead-contaminated sediment in a commercial diet and all five fed the contaminated sediment in a corn diet had renal intranuclear inclusion bodies. Lead was higher in the livers of mallards fed 24% lead-contaminated sediment in the corn diet (38 &mu;g/g) than in the commercial diet (13 &mu;g/g).</p>","language":"English","publisher":"Springer","doi":"10.1007/s002449900478","usgsCitation":"Heinz, G.H., Hoffman, D.J., Sileo, L., Audet, D., and LeCaptain, L.J., 1999, Toxicity of lead-contaminated sediment to mallards: Archives of Environmental Contamination and Toxicology, v. 36, no. 3, p. 323-333, https://doi.org/10.1007/s002449900478.","productDescription":"11 p.","startPage":"323","endPage":"333","numberOfPages":"11","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":199325,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States of America","state":"Idaho","otherGeospatial":"Coeur d'Alene River basin","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -117.04010009765625,\n              47.98992166741417\n            ],\n            [\n              -116.57318115234375,\n              48.1789071002632\n            ],\n            [\n              -116.34521484375001,\n              48.17524408990215\n            ],\n            [\n              -116.07604980468749,\n              48.09275716032736\n            ],\n            [\n              -115.80413818359375,\n              47.98808345357488\n            ],\n            [\n              -115.66955566406249,\n              47.88503897004144\n            ],\n            [\n              -115.54046630859375,\n              47.522765270504436\n            ],\n            [\n              -115.5377197265625,\n              47.39834920035926\n            ],\n            [\n              -115.6036376953125,\n              47.28854494625744\n            ],\n            [\n              -115.86181640625001,\n              47.12995075666307\n            ],\n            [\n              -116.0101318359375,\n              47.03082254778662\n            ],\n            [\n              -116.15295410156249,\n              46.976504510552\n            ],\n            [\n              -116.48254394531249,\n              46.961510504873075\n            ],\n            [\n              -116.92199707031249,\n              46.991494313050424\n            ],\n            [\n              -116.9879150390625,\n              47.06638028321398\n            ],\n            [\n              -117.01812744140625,\n              47.16357498846737\n            ],\n            [\n              -117.04284667968749,\n              47.26991141830741\n            ],\n            [\n              -117.05657958984375,\n              47.76148371616669\n            ],\n            [\n              -117.04010009765625,\n              47.98992166741417\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"36","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e48cee4b07f02db54562f","contributors":{"authors":[{"text":"Heinz, G. H.","contributorId":85905,"corporation":false,"usgs":true,"family":"Heinz","given":"G.","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":338460,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hoffman, D. J.","contributorId":12801,"corporation":false,"usgs":true,"family":"Hoffman","given":"D.","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":338457,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Sileo, L.","contributorId":46895,"corporation":false,"usgs":true,"family":"Sileo","given":"L.","email":"","affiliations":[],"preferred":false,"id":338459,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Audet, D. J.","contributorId":38949,"corporation":false,"usgs":false,"family":"Audet","given":"D. J.","affiliations":[],"preferred":false,"id":338458,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"LeCaptain, L. J.","contributorId":91056,"corporation":false,"usgs":true,"family":"LeCaptain","given":"L.","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":338461,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70021561,"text":"70021561 - 1999 - Foraminiferal faunal estimates of paleotemperature: Circumventing the no-analog problem yields cool ice age tropics","interactions":[],"lastModifiedDate":"2025-06-17T15:11:56.513201","indexId":"70021561","displayToPublicDate":"2010-05-04T00:00:00","publicationYear":"1999","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":5790,"text":"Paleoceanography and Paleoclimatology","active":true,"publicationSubtype":{"id":10}},"title":"Foraminiferal faunal estimates of paleotemperature: Circumventing the no-analog problem yields cool ice age tropics","docAbstract":"<p><span>The sensitivity of the tropics to climate change, particularly the amplitude of glacial-to-interglacial changes in sea surface temperature (SST), is one of the great controversies in paleoclimatology. Here we reassess faunal estimates of ice age SSTs, focusing on the problem of no-analog planktonic foraminiferal assemblages in the equatorial oceans that confounds both classical transfer function and modern analog methods. A new calibration strategy developed here, which uses past variability of species to define robust faunal assemblages, solves the no-analog problem and reveals ice age cooling of 5° to 6°C in the equatorial current systems of the Atlantic and eastern Pacific Oceans. Classical transfer functions underestimated temperature changes in some areas of the tropical oceans because core-top assemblages misrepresented the ice age faunal assemblages. Our finding is consistent with some geochemical estimates and model predictions of greater ice age cooling in the tropics than was inferred by Climate: Long-Range Investigation, Mapping, and Prediction (</span><i>CLIMAP</i><span>) [1981] and thus may help to resolve a long-standing controversy. Our new foraminiferal transfer function suggests that such cooling was limited to the equatorial current systems, however, and supports CLIMAP's inference of stability of the subtropical gyre centers.</span></p>","language":"English","publisher":"American Geophysical Union","doi":"10.1029/1999PA900012","issn":"08838305","usgsCitation":"Mix, A., Morey, A., Pisias, N.G., and Hostetler, S.W., 1999, Foraminiferal faunal estimates of paleotemperature: Circumventing the no-analog problem yields cool ice age tropics: Paleoceanography and Paleoclimatology, v. 14, no. 3, p. 350-359, https://doi.org/10.1029/1999PA900012.","productDescription":"10 p.","startPage":"350","endPage":"359","costCenters":[],"links":[{"id":502556,"rank":2,"type":{"id":41,"text":"Open Access External Repository Page"},"text":"External Repository"},{"id":229070,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"14","issue":"3","noUsgsAuthors":false,"publicationDate":"2010-05-04","publicationStatus":"PW","scienceBaseUri":"505a130ae4b0c8380cd544c6","contributors":{"authors":[{"text":"Mix, A.C.","contributorId":31139,"corporation":false,"usgs":true,"family":"Mix","given":"A.C.","email":"","affiliations":[],"preferred":false,"id":390303,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Morey, A.E.","contributorId":57227,"corporation":false,"usgs":true,"family":"Morey","given":"A.E.","email":"","affiliations":[],"preferred":false,"id":390305,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Pisias, N. G.","contributorId":93640,"corporation":false,"usgs":false,"family":"Pisias","given":"N.","email":"","middleInitial":"G.","affiliations":[],"preferred":false,"id":390306,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Hostetler, S. W. 0000-0003-2272-8302","orcid":"https://orcid.org/0000-0003-2272-8302","contributorId":42911,"corporation":false,"usgs":true,"family":"Hostetler","given":"S.","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":390304,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70021590,"text":"70021590 - 1999 - Stratigraphic relations of australites in the Port Campbell Embayment, Victoria","interactions":[],"lastModifiedDate":"2025-05-14T15:59:28.59516","indexId":"70021590","displayToPublicDate":"2010-02-04T00:00:00","publicationYear":"1999","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2715,"text":"Meteoritics and Planetary Science","active":true,"publicationSubtype":{"id":10}},"title":"Stratigraphic relations of australites in the Port Campbell Embayment, Victoria","docAbstract":"<p><span>In the Port Campbell Embayment of Victoria, australites have been found&nbsp;</span><i>in situ</i><span>&nbsp;in channel deposits of the Hanson Plain Sand of Pliocene and Pleistocene age. The large majority of the australites, however, occur as a lag deposit at the basal contact of the Sturgess Sand of late Pleistocene and Holocene age and are spatially correlated with ferruginous sandstone clasts that are derived from the Hanson Plain Sand. Some of the tektites are imbedded in or bonded to the ferruginous sandstone clasts, but most are found as individual tektite fragments. A few percent of the tektites have nearly perfectly preserved, complete aerodynamically shaped forms. The sandstone clasts and associated tektites have been reworked from the much older underlying Hanson Plain and have been locally concentrated in the lag deposit. Some tektites also occur at higher levels in the Sturgess Sand, almost invariably in association with stone flakes, exotic stones transported by the aborigines and, locally, with middens of mollusc shells. Circumstantial evidence indicates that the aborigines transported the tektites found in the upper part of the Sturgess, particularly at Stanhope Bay. As Port Campbell australites unequivocally occur in strata much older than the late Pleistocene and Holocene Sturgess, there is no longer any conflict between the apparent stratigraphic age of the tektites and the middle Pleistocene ages obtained by various chronometric methods.</span></p>","language":"English","publisher":"Wiley","doi":"10.1111/j.1945-5100.1999.tb01346.x","issn":"10869379","usgsCitation":"Shoemaker, E.M., and Uhlherr, H.R., 1999, Stratigraphic relations of australites in the Port Campbell Embayment, Victoria: Meteoritics and Planetary Science, v. 34, no. 3, p. 369-384, https://doi.org/10.1111/j.1945-5100.1999.tb01346.x.","productDescription":"16 p.","startPage":"369","endPage":"384","costCenters":[],"links":[{"id":490121,"rank":2,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1111/j.1945-5100.1999.tb01346.x","text":"Publisher Index Page"},{"id":229511,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Australia","state":"Victoria","city":"Port Campbell","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              142.8607177734375,\n              -38.78406349514289\n            ],\n            [\n              143.26171875,\n              -38.78406349514289\n            ],\n            [\n              143.26171875,\n              -38.24249456800327\n            ],\n            [\n              142.8607177734375,\n              -38.24249456800327\n            ],\n            [\n              142.8607177734375,\n              -38.78406349514289\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"34","issue":"3","noUsgsAuthors":false,"publicationDate":"2010-02-04","publicationStatus":"PW","scienceBaseUri":"505b9974e4b08c986b31c42b","contributors":{"authors":[{"text":"Shoemaker, Eugene Merle","contributorId":20342,"corporation":false,"usgs":true,"family":"Shoemaker","given":"Eugene","email":"","middleInitial":"Merle","affiliations":[],"preferred":false,"id":390398,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Uhlherr, H. Ralph","contributorId":61195,"corporation":false,"usgs":true,"family":"Uhlherr","given":"H.","email":"","middleInitial":"Ralph","affiliations":[],"preferred":false,"id":390397,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70021206,"text":"70021206 - 1999 - A petrographical and geochemical study of quartzose nodules, country rocks, and dike rocks from the Upheaval Dome structure, Utah","interactions":[],"lastModifiedDate":"2025-05-14T15:53:11.429424","indexId":"70021206","displayToPublicDate":"2010-02-04T00:00:00","publicationYear":"1999","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2715,"text":"Meteoritics and Planetary Science","active":true,"publicationSubtype":{"id":10}},"title":"A petrographical and geochemical study of quartzose nodules, country rocks, and dike rocks from the Upheaval Dome structure, Utah","docAbstract":"Upheaval Dome, in Canyonlands National Park, Utah, USA, is a unique structure on the Colorado Plateau. It has earlier been interpreted as an impact structure or as a pinched-off salt diapir. Some subrounded quartzose fragments were found in a ring depression near the eastern margin of the structure and, based on vesicularity and apparent flow structure, the fragments were interpreted by early researchers as 'impactites.' Our petrographic studies show no indication of a high-temperature history and are in agreement with a slow, low-temperature formation of the quartz nodules. Compositionally, the lag deposit samples are almost pure SiO2. They show no chemical similarity to any of the possible target rocks (e.g., Navajo Sandstone), from which they should have formed by melting if they were impactites. Instead, the samples have relatively high contents of elements that indicate fluid interaction (e.g., hydrothermal growth), such as As, Sb, Ba, and U, and show positive Ce anomalies. Thus, we interpret the 'lag deposit samples' as normal low-temperature (hydrothermally-grown?) quartz that show no indication of being impact-derived. In addition, a petrographic and geochemical analysis of a series of dike samples yielded no evidence for shock metamorphism or a meteoritic component.","language":"English","publisher":"Wiley","doi":"10.1111/j.1945-5100.1999.tb01404.x","issn":"10869379","usgsCitation":"Koeberl, C., Plescia, J.B., Hayward, C., and Reimold, W., 1999, A petrographical and geochemical study of quartzose nodules, country rocks, and dike rocks from the Upheaval Dome structure, Utah: Meteoritics and Planetary Science, v. 34, no. 6, p. 861-868, https://doi.org/10.1111/j.1945-5100.1999.tb01404.x.","productDescription":"8 p.","startPage":"861","endPage":"868","costCenters":[],"links":[{"id":229819,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Utah","otherGeospatial":"Canyonlands National Park, Upheaval Dome","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -109.94785592135237,\n              38.44747955100547\n            ],\n            [\n              -109.94785592135237,\n              38.42798957811195\n            ],\n            [\n              -109.91307266216305,\n              38.42798957811195\n            ],\n            [\n              -109.91307266216305,\n              38.44747955100547\n            ],\n            [\n              -109.94785592135237,\n              38.44747955100547\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    }\n  ]\n}","volume":"34","issue":"6","noUsgsAuthors":false,"publicationDate":"2010-02-04","publicationStatus":"PW","scienceBaseUri":"5059e4d6e4b0c8380cd46975","contributors":{"authors":[{"text":"Koeberl, C.","contributorId":79214,"corporation":false,"usgs":true,"family":"Koeberl","given":"C.","affiliations":[],"preferred":false,"id":389059,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Plescia, J. B.","contributorId":15689,"corporation":false,"usgs":true,"family":"Plescia","given":"J.","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":389058,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Hayward, C.L.","contributorId":101406,"corporation":false,"usgs":true,"family":"Hayward","given":"C.L.","email":"","affiliations":[],"preferred":false,"id":389060,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Reimold, W.U.","contributorId":103401,"corporation":false,"usgs":true,"family":"Reimold","given":"W.U.","affiliations":[],"preferred":false,"id":389061,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
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