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Documents disponibles écrits par cet auteur (11)
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Article
Chelsea E. Weithman, Auteur ; James D. Fraser, Auteur ; Sarah M. Karpanty, Auteur ; Daniel H. Catlin, AuteurMobility of precocial chicks facilitates self-feeding and escape from predators, but also allows chicks to move into potentially dangerous areas. At Cape Hatteras National Seashore and Pea Island National Wildlife Refuge, North Carolina, precoci[...]
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Chelsea E. Weithman, Auteur ; Daniel Gibson, Auteur ; Katie M. Walker, Auteur ; Sidney B. Maddock, Auteur ; James D. Fraser, Auteur ; Sarah M. Karpanty, Auteur ; Daniel H. Catlin, AuteurPiping Plovers (Charadrius melodus) undertake comparatively short migrations for a shorebird and were not previously thought to congregate in large numbers during migration. Superpopulation size (individuals occurring at the study site during th[...]
Article
Kelsi L. Hunt, Auteur ; James D. Fraser, Auteur ; Sarah M. Karpanty, Auteur ; Daniel H. Catlin, AuteurHabitat quality can have a profound effect on the condition and fitness of individual birds and on population demography. We investigated the effects of habitat metrics (invertebrate abundance and habitat type) on the condition (egg mass, adult [...]
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Kelsi L. Hunt, Auteur ; Lauren R. Dinan, Auteur ; Meryl J. Friedrich, Auteur ; Mary Bomberger Brown, Auteur ; Joel G. Jorgensen, Auteur ; Daniel H. Catlin, Auteur ; James D. Fraser, AuteurPiping Plovers (Charadrius melodus) are primarily monogamous birds that usually raise only one brood per season, but rare instances of double brooding have been documented. Piping Plovers breeding in the northern Great Plains, USA were studied i[...]
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Stephanie M. Nefas, Auteur ; Kelsi L. Hunt, Auteur ; James D. Fraser, Auteur ; Sarah M. Karpanty, Auteur ; Daniel H. Catlin, Auteur
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Daniel H. Catlin, Auteur ; Olga Milenkaya, Auteur ; Kelsi L. Hunt, Auteur ; Meryl J. Friedrich, Auteur ; James D. Fraser, AuteurThe goal of many animal conservation efforts is to improve short-term demography, but there is growing interest in the potential for producing more fit individuals, resulting in long-lasting demographic impacts. The environments that animals exp[...]
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Christy N. Wails, Auteur ; Daniel H. Catlin, Auteur ; Samantha G. Robinson, Auteur ; Henrietta A. Bellman, Auteur ; Katie W. Oliver, Auteur ; Hope L. VanDerwater, Auteur ; Sharon S. Dorsey, Auteur ; Audrey DeRose-Wilson, Auteur ; Sarah M. Karpanty, Auteur ; James D. Fraser, AuteurThe use of unique markers in ornithology has a long history and is predicated on the assumption that markers have negligible effects on behavior and survival. The assumption that marks are harmless is particularly important with imperiled specie[...]
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Kelsi L. Hunt, Auteur ; Daniel H. Catlin, Auteur ; Joy H. Felio, Auteur ; James D. Fraser, AuteurEvaluating the possible effects of intensive research on species being studied and on the results of studies is important for both ethical and scientific reasons. We captured, banded, recaptured, and measured prefledged Piping Plover (Charadrius[...]
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CONOR P. McGOWAN, Auteur ; Daniel H. Catlin, Auteur ; Terry L. Shaffer, Auteur ; Cheri L. Gratto-Trevor, Auteur ; Carol Aron, AuteurListing a species under the Endangered Species Act (ESA) and developing a recovery plan requires U.S. Fish and Wildlife Service to establish specific and measurable criteria for delisting. Generally, species are listed because they face (or are [...]
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Audrey DeRose-Wilson, Auteur ; James D. Fraser, Auteur ; Sarah M. Karpanty, Auteur ; Daniel H. Catlin, AuteurDespite concerns about their population status, information about the habitat preferences, population size, and vital statistics of Wilson's Plovers (Charadrius wilsonia) is currently lacking. We compared habitat characteristics of nest sites an[...]
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Jonathan B. Cohen, Auteur ; James D. Fraser, Auteur ; Daniel H. Catlin, AuteurThe threatened Atlantic Coast population Of Piping Plovers (Charadrius melodus) has not increased in recent years and remains 332 pairs short of the recovery goal of 2000 pairs. Habitat loss to development is a major threat to the population, an[...]
