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Winter home range and habitat selection differs among breeding populations of herring gulls in eastern North America

Anderson, Christine M ; Gilchrist, H Grant ; Ronconi, Robert A ; Shlepr, Katherine R ; Clark, Daniel E ; Weseloh, D V Chip ; Robertson, Gregory J ; Mallory, Mark L

Movement ecology, 2019-03, Vol.7 (1), p.8-8, Article 8 [Periódico revisado por pares]

England: BioMed Central Ltd

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Winter home range and habitat selection differs among breeding populations of herring gulls in eastern North America
Autor: Anderson, Christine M ; Gilchrist, H Grant ; Ronconi, Robert A ; Shlepr, Katherine R ; Clark, Daniel E ; Weseloh, D V Chip ; Robertson, Gregory J ; Mallory, Mark L
Assuntos: Animal behavior ; Aquatic habitats ; Behavior ; Bird ; Breeding ; Connectivity ; Eggs ; Fisheries ; Fishes ; Gulls ; Habitat selection ; Habitat use ; Habitat utilization ; Habitats ; Herring gull ; Home range ; Lakes ; Landfill ; Laridae ; Migratory birds ; Motor vehicle drivers ; Non-breeding ; Ornithological research ; Polar environments ; Population biology ; Population studies ; Populations ; Survival ; Tracking ; Urban populations ; Winter
É parte de: Movement ecology, 2019-03, Vol.7 (1), p.8-8, Article 8
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SourceType-Scholarly Journals-1
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Descrição: Recognizing the factors influencing migratory individuals throughout their annual cycle is important for understanding the drivers of population dynamics. Previous studies have found that Herring Gulls ( ) in the Atlantic region have lower survival rates than those in the Great Lakes and the Arctic. One possible explanation for divergent survival rates among these populations is differences in their non-breeding habitats. We tracked Herring Gulls from five populations, breeding in the eastern Arctic, the Great Lakes, Newfoundland, Sable Island, and the Bay of Fundy. We assessed the extent of migratory connectivity between breeding and wintering sites, and tested if there were differences in home range size or habitat selection among these populations during the winter. The tracked Herring Gulls had strong migratory connectivity between their breeding and wintering areas. We found that Herring Gulls from the Arctic spent most of the winter in marine habitats, while the other populations used a wider variety of habitats. However, the Newfoundland and Sable Island populations selected for urban habitats, and almost all individuals the specialized in urban habitats came from one of the three Atlantic populations. Our results suggest that there could potentially be a link between urban habitat use during the winter and reduced adult survival in Atlantic Canada Herring Gulls.
Editor: England: BioMed Central Ltd
Idioma: Inglês

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Winter home range and habitat selection differs among breeding populations of herring gulls in eastern North America

Anderson, Christine M ; Gilchrist, H Grant ; Ronconi, Robert A ; Shlepr, Katherine R ; Clark, Daniel E ; Weseloh, D V Chip ; Robertson, Gregory J ; Mallory, Mark L

England: BioMed Central Ltd

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