Search Results - "Sean Boyd, W."

Pacific Barrow's Goldeneye refine migratory phenology in response to overwintering temperatures and annual snowmelt by Kemp, Jesse, Boyd, W. Sean, Forstner, Tesia M., Esler, Daniel, Bowman, Timothy D., Douglas, David C., Hogan, Danica, McAdie, Malcolm, Thompson, Jonathan E., Willie, Megan, Green, David J.

“…Timing of seasonal bird migrations is broadly determined by internal biological clocks, which are synchronized by photoperiod, but individuals often refine…”
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Where east meets west: Phylogeography of the high Arctic North American brant goose by Wilson, Robert E., Boyd, W. Sean, Sonsthagen, Sarah A., Ward, David H., Clausen, Preben, Dickson, Kathryn M., Ebbinge, Barwolt S., Gudmundsson, Gudmundur A., Sage, George K., Rearick, Jolene R., Derksen, Dirk V., Talbot, Sandra L.

“…Genetic variation in Arctic species is often influenced by vicariance during the Pleistocene, as ice sheets fragmented the landscape and displaced populations…”
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Evaluation of breeding distribution and chronology of North American scoters by Bianchini, Kristin, Gilliland, Scott G., Berlin, Alicia M., Bowman, Timothy D., Sean Boyd, W., De La Cruz, Susan E. W., Esler, Daniel, Evenson, Joseph R., Flint, Paul L., Lepage, Christine, McWilliams, Scott R., Meattey, Dustin E., Osenkowski, Jason E., Perry, Matthew C., Poulin, Jean‐François, Reed, Eric T., Roy, Christian, Savard, Jean‐Pierre L., Savoy, Lucas, Schamber, Jason L., Spiegel, Caleb S., Takekawa, John, Ward, David H., Mallory, Mark L.

“…North America's scoter species are poorly monitored relative to other waterfowl. Black Melanitta americana, surf M. perspicillata, and white‐winged M. deglandi…”
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Migratory connectivity and variation in migration phenology within the Pacific population of Barrow's Goldeneye (Bucephala islandica) by Forstner, Tesia M., Boyd, W. Sean, Esler, Daniel, Bowman, Timothy D., Schamber, Jason L., McAdie, Malcolm, Thompson, Jonathan E., Green, David J.

“…Effective management of migratory animals requires an understanding of individual movement patterns throughout the annual cycle. We used satellite transmitters…”
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Effects of off-bottom shellfish aquaculture on winter habitat use by molluscivorous sea ducks by Žydelis, Ramūnas, Esler, Daniel, Kirk, Molly, Sean Boyd, W

“…1.Shellfish farming is an expanding segment of marine aquaculture, but environmental effects of this industry are only beginning to be considered.2.The…”
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Annual Winter Site Fidelity of Barrow’s Goldeneyes in the Pacific by WILLIE, MEGAN, ESLER, DANIEL, BOYD, W. SEAN, BOWMAN, TIMOTHY, SCHAMBER, JASON, THOMPSON, JONATHAN

“…Coastal regions on the Pacific north coast of North America provide important wintering habitat for many species of sea ducks. Although winter range and…”
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FORAGING BEHAVIORS OF SURF SCOTERS AND WHITE-WINGED SCOTERS DURING SPAWNING OF PACIFIC HERRING by LEWIS, TYLER L, ESLER, DANIEL, SEAN BOYD, W

“…Winter diets of Surf (Melanitta perspicillata) and White-winged Scoters (M. fusca) are composed primarily of bivalves. During spawning of Pacific herring…”
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Stopover Habitats of Spring Migrating Surf Scoters in Southeast Alaska by Lok, Erika K, Esler, Daniel, Takekawa, John Y, Cruz, Susan W. De La, Boyd, W. Sean, Nysewander, David R, Evenson, Joseph R, Ward, David H

“…Habitat conditions and nutrient reserve levels during spring migration have been suggested as important factors affecting population declines in waterfowl,…”
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Spatial variation in polycyclic aromatic hydrocarbon exposure in Barrow's goldeneye (Bucephala islandica) in coastal British Columbia by Willie, Megan, Esler, Daniel, Boyd, W. Sean, Molloy, Philip, Ydenberg, Ronald C.

“…Barrow's goldeneyes are sea ducks that winter throughout coastal British Columbia (BC). Their diet consists primarily of intertidal blue mussels, which can…”
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Seasonal variability in vulnerability for Cassin's auklets (Ptychoramphus aleuticus) exposed to microplastic pollution in the Canadian Pacific region by O'Hara, Patrick D., Avery-Gomm, Stephanie, Wood, Jocelyn, Bowes, Victoria, Wilson, Laurie, Morgan, Ken H., Boyd, W. Sean, Hipfner, J. Mark, Desforges, Jean-Pierre, Bertram, Douglas F., Hannah, Charles, Ross, Peter S.

“…Marine plastic pollution is an emerging global conservation challenge, potentially impacting organisms at all trophic levels. However, currently it is unclear…”
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Brood Size Affects Future Reproduction in a Long-Lived Bird with Precocial Young by Leach, Alan G, Sedinger, James S, Riecke, Thomas V, Van Dellen, Amanda W, Ward, David H, Boyd, W Sean

“…Estimation of trade-offs between current reproduction and future survival and fecundity of long-lived vertebrates is essential to understanding factors that…”
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Evaluating conservation units using network analysis: a sea duck case study by Lamb, Juliet S, Cooper‐Mullin, Clara, Gilliland, Scott G, Berlin, Alicia M, Bowman, Timothy D, Boyd, W Sean, De La Cruz, Susan EW, Esler, Daniel, Evenson, Joseph R, Flint, Paul, Lepage, Christine, Meattey, Dustin E, Osenkowski, Jason E, Paton, Peter WC, Perry, Matthew C, Rosenberg, Dan, Savard, Jean‐Pierre L, Savoy, Lucas, Schamber, Jason, Ward, David H, Takekawa, John Y, McWilliams, Scott R

“…Conserving migratory wildlife requires understanding how groups of individuals interact across seasons and landscapes. Telemetry reveals individual movements…”
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Temporary vegetation disturbance as an explanation for permanent loss of tidal wetlands by Kirwan, Matthew L., Murray, A. Brad, Boyd, W. Sean

“…Coastal ecosystems respond to sea level and sediment supply change according to complex, three‐way interactions between vegetation, hydrology, and sediment…”
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Declining Survival of Black Brant From Subarctic and Arctic Breeding Areas by LEACH, ALAN G., WARD, DAVID H., SEDINGER, JAMES S., LINDBERG, MARK S., BOYD, W. SEAN, HUPP, JERRY W., RITCHIE, ROBERT J.

“…Since the mid 1990s, the number of black brant (Branta bernicla nigricans; brant) nests on the Yukon-Kuskokwim Delta (YKD), Alaska, USA, the historically…”
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Spatial variation in life-history trade-offs results in an ideal free distribution in Black Brant Geese by Nicolai, Christopher A, Sedinger, James S, Ward, David H, Boyd, W. Sean

“…Ideal free distribution theory predicts that individuals distribute themselves so fitness is equal among patches. In this paper we evaluate all components of…”
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SPACING PATTERNS, MATING SYSTEMS, AND WINTER PHILOPATRY IN HARLEQUIN DUCKS by Robertson, Gregory J, Cooke, Fred, Ian Goudie, R, Sean Boyd, W

“…Many species of waterfowl form pair bonds during the nonbreeding season, yet current descriptions of mating systems and patterns of philopatry in waterfowl…”
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Movements of wintering surf scoters: predator responses to different prey landscapes by Kirk, Molly, Esler, Daniel, Iverson, Samuel A, Boyd, W. Sean

“…The distribution of predators is widely recognized to be intimately linked to the distribution of their prey. Foraging theory suggests that predators will…”
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SURVIVAL, EMIGRATION, AND WINTER POPULATION STRUCTURE OF HARLEQUIN DUCKS by Cooke, Fred, Robertson, Gregory J, Smith, Cyndi M, Ian Goudie, R, Sean Boyd, W

“…A population of individually marked Harlequin Ducks (Histrionicus histrionicus) at White Rock, British Columbia, Canada was examined to measure the degree of…”
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MARBLED MURRELET BRACHYRAMPHUS MARMORATUS MOVEMENTS AND MARINE HABITAT USE NEAR PROPOSED TANKER ROUTES TO KITIMAT, BC, CANADA by Bertram, Douglas F, Macdonald, Christie A, O'hara, Patrick D, Cragg, Jenna L, Janssen, Michael H, McAdie, Malcolm, Boyd, W Sean

“…We report on movements and marine habitat use of breeding Marbled Murrelets Brachyramphus marmoratus offshore of Kitimat, British Columbia, Canada, with…”
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Foraging Behavior of Surf Scoters (Melanitta Perspicillata)and White-Winged Scoters (M. Fusca) in Relation to Clam Density: Inferring Food Availability and Habitat Quality by Lewis, Tyler L, Esler, Daniel, Boyd, W. Sean

“…Birds are known to modify their foraging behavior in relation to food availability. Once understood, these relationships can be used to draw inferences about…”
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