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Documents disponibles écrits par cet auteur (17)
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Article
Eleanor P. Gaines, Auteur ; Stephen J. Dinsmore, Auteur ; Michael T. Murphy, AuteurUnderstanding the factors contributing to variation in demographic parameters and their influences on population growth is fundamental to effective conservation of small populations, but this information is often not available. Among shorebirds,[...]
Article
Allison K. Pierce, Auteur ; Stephen J. Dinsmore, Auteur ; Michael B. Wunder, Auteur
Article
Rachel A. Vanausdall, Auteur ; Stephen J. Dinsmore, AuteurWetlands in the Prairie Pothole Region (PPR) have experienced declines in areal cover, and many remaining wetlands are degraded. Recently. restoration of wetlands has been a key management strategy for waterbirds. In Iowa, the Department of Natu[...]
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M. Edye Kornegay, Auteur ; Amber N. M. Wiewel, Auteur ; Jaime A. Collazo, Auteur ; James F. Saracco, Auteur ; Stephen J. Dinsmore, AuteurThe ratio of juvenile to adult birds in mist-net samples is used to monitor avian productivity, but whether it is a “true” estimate of per capita productivity or an index proportional to productivity depends on whether capture probability is not[...]
Article
Tyler M. Harms, Auteur ; Stephen J. Dinsmore, AuteurAnalysis of data from point counts, a common method for monitoring bird population trends, has evolved to produce estimates of various population parameters (e.g., density, abundance, and occupancy) while simultaneously estimating detection prob[...]
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Colby Behrens, Auteur ; Zachary J. Ruff, Auteur ; Tyler M. Harms, Auteur ; Stephen J. Dinsmore, AuteurNest attendance behaviour in birds is a function of the careful balance between the risk of nest predation and the needs of the parents and nestlings. This attendance must be carefully regulated, as increased parental activity at the nest increa[...]
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William J. Reiter-Marolf, Auteur ; Stephen J. Dinsmore, Auteur ; Julie A. Blanchong, AuteurABSTRACT Bald Eagles (Haliaeetus leucocephalus) were rare only a few decades ago but have undergone a spectacular recovery range-wide. While their numbers have increased, there is concern about exposure of Bald Eagles to environmental contaminan[...]
Article
Allison K. Pierce, Auteur ; Stephen J. Dinsmore, Auteur ; Dennis Jorgensen, Auteur ; Michael B. Wunder, AuteurUnderstanding the migratory movements and habitats used during the annual cycle of migrants is essential to developing comprehensive conservation strategies. Mountain Plovers (Charadrius montanus) are short-distance migrants listed as a species [...]
Article
Paul D. B. Skrade, Auteur ; Stephen J. Dinsmore, Auteur ; Carol M. Vleck, AuteurABSTRACT The hormones prolactin (PRL) and testosterone (T) are linked to breeding behaviors such as territory defense, incubation, and brood-rearing in birds. The Mountain Plover (Charadrius montanus) is a shorebird with an uncommon parental car[...]
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Sharyn L. Hood, Auteur ; Stephen J. Dinsmore, AuteurSnowy Plovers (Charadrius alexandrinus) and Wilson's Plovers (C. wilsonia) are shorebird species of increasing conservation concern, with populations apparently declining in North America. However, estimates of current populations are needed bef[...]
Article
Tyler M. Harms, Auteur ; Stephen J. Dinsmore, AuteurABSTRACT Wetlands continue to decline throughout North America and the Prairie Pothole Region, thus emphasizing the importance of understanding population trends and habitat associations of wetland species to ensure effective conservation and ha[...]
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Tyler M. Harms, Auteur ; Stephen J. Dinsmore, Auteur
Article
Theresa M. Childers, Auteur ; Stephen J. Dinsmore, Auteur
Article
Cory J. Gregory, Auteur ; Stephen J. Dinsmore, Auteur ; Larkin A. Powell, Auteur ; Joel G. Jorgensen, AuteurLong-billed Curlews (Numenius americanus) are shorebirds of high conservation concern in North America. Populations have declined in the last 150 yr primarily due to habitat loss and conversion. We conducted a 2-yr study to estimate the density [...]
Article
Tyler M. Harms, Auteur ; Stephen J. Dinsmore, Auteur
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Aaron T. Pearse, Auteur ; Kenneth J. Reinecke, Auteur ; Stephen J. Dinsmore, Auteur ; Richard M. Kaminski, AuteurWildlife conservation plans generally require reliable data about population abundance and density. Aerial surveys often can provide these data; however, associated costs necessitate designing and conducting surveys efficiently. We developed met[...]
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Mark A. Colwell, Auteur ; Jason J. Meyer, Auteur ; Michael A. Hardy, Auteur ; Sean E. Mcallister, Auteur ; Amber N. Transou, Auteur ; Ron R. Levalley, Auteur ; Stephen J. Dinsmore, AuteurPredation is an important cause of nest failure for many birds and has shaped the life-history characteristics of many species, especially ground-nesting shorebirds. We examined nesting success, causes of clutch failure and nest survival in rela[...]
