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Auteur G. Vernon Byrd |
Documents disponibles écrits par cet auteur (4)
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Article
Sadie K. Wright, Auteur ; G. Vernon Byrd, Auteur ; Heather M. Renner, Auteur ; Arthur L. Sowls, AuteurRed-faced Cormorants (Phalacrocorax urile) are North Pacific endemics recognized as a vulnerable species, but little is known about their breeding ecology. We studied Red-faced Cormorants on St. Paul Island, Alaska, from 1975 to 2009, with more [...]![]()
Article
Ian L. Jones, Auteur ; Fiona M. Hunter, Auteur ; Gregory J. Robertson, Auteur ; Jeffrey C. Williams, Auteur ; G. Vernon Byrd, AuteurAnnual survival rate and other demographic parameters of whiskered auklets Aethia pygmaea, a small planktivorous seabird, were measured at Buldir Island Alaska during 1992-2003 to provide comparative information for auk life history studies and [...]![]()
Article
Alexander L. Bond, Auteur ; Ian L. Jones, Auteur ; Jeffrey C. Williams, Auteur ; G. Vernon Byrd, AuteurSeabirds are effective samplers of the marine environment, and can be used to measure resource partitioning among species and sites via food loads destined for chicks. We examined the composition, overlap, and relationships to changing climate a[...]![]()
Article
Margaret R. Petersen, Auteur ; G. Vernon Byrd, Auteur ; Sarah A. Sonsthagen, Auteur ; Matthew G. Sexson, AuteurIslands provide refuges for populations of many species where they find safety from predators, but the introduction of predators frequently results in elimination or dramatic reductions in island-dwelling organisms. When predators are removed, r[...]



