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Keith A. Hobson
Environment Canada
EcologyStable isotope ratioPopulationTrophic levelBiology
501Publications
89H-index
30kCitations
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Publications 502
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#1Laura Cardenas-Ortiz (U of S: University of Saskatchewan)H-Index: 1
#2Nicholas J. BaylyH-Index: 11
Last. Keith A. Hobson (U of S: University of Saskatchewan)H-Index: 89
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#1Louise ChampouxH-Index: 16
#2Jean-François Rail (CWS: Canadian Wildlife Service)H-Index: 12
Last. Magella Guillemette (Université du Québec à Rimouski)H-Index: 16
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Abstract Exposure to oil can have long-term impacts on migratory birds. Following the 2010 Deepwater Horizon blowout in the Gulf of Mexico (GOM), we investigated potential impacts of oil exposure on a population of northern gannets (Morus bassanus) that breed on Bonaventure Island (Quebec, Canada) and winter in GOM and along the U.S. Atlantic coast (AC). Blood and feather samples were collected from adults previously equipped with geolocators to determine wintering locations. Parent and alkylate...
1 CitationsSource
#1Simeon Lisovski (UC Davis: University of California, Davis)H-Index: 12
#2Zoltán Németh (UC Davis: University of California, Davis)H-Index: 9
Last. Marilyn Ramenofsky (UC Davis: University of California, Davis)H-Index: 32
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White-crowned Sparrow (Zonotrichia leucophrys) populations of western North America exhibit dramatic differences in life history strategies including migration behavior. However, individual migration strategies and population-level migratory patterns remain largely unknown for this species. Here, we focused on the long-distance migratory subspecies, Gambel’s White-crowned Sparrow (Zonotrichia leucophrys gambelii). We used ringing, tracking and stable hydrogen isotope (δ2H) analysis of individual...
3 CitationsSource
#1Rebecca L. Holberton (UMaine: University of Maine)H-Index: 27
#2Steven L. Van Wilgenburg (CWS: Canadian Wildlife Service)H-Index: 20
Last. Keith A. Hobson (EC: Environment Canada)H-Index: 89
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Declining numbers of Blackpoll Warblers (Setophaga striata) have been documented at long-term migration monitoring sites as well as in breeding areas. However, the “loop migration” of Blackpoll Warblers makes it difficult to ascribe population change at migration monitoring sites to specific breeding populations. Individuals from all populations across the breeding range of Blackpoll Warblers concentrate in fall along the Atlantic coastline of eastern North America prior to initiating a transoce...
5 CitationsSource
#1Keith A. Hobson (EC: Environment Canada)H-Index: 89
#2Brett K. SandercockH-Index: 33
Last. Reed Bowman (Archbold Biological Station)H-Index: 24
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#1Keith A. Hobson (EC: Environment Canada)H-Index: 89
#2Brett K. SandercockH-Index: 33
Last. Reed Bowman (Archbold Biological Station)H-Index: 24
view all 5 authors...
Source
#1Keith A. Hobson (EC: Environment Canada)H-Index: 89
#2Brett K. SandercockH-Index: 33
Last. Reed Bowman (Archbold Biological Station)H-Index: 24
view all 5 authors...
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1 CitationsSource
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