Search Results - "Schamber, Jason"

Harvest of waterfowl and Sandhill Crane in rural Alaska: Geographic and seasonal patterns by Naves, Liliana C, Schamber, Jason L

“…We estimated the annual harvest of waterfowl and Sandhill Crane Grus canadensis and their eggs by Alaska's rural residents and described seasonal and…”
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Survival estimates and hunter outreach are priorities for the collaborative harvest management of Emperor Goose in Alaska by Mengak, Lara F., Naves, Liliana C., Schamber, Jason L.

“…Emperor Goose (Anser canagicus) harvest in Alaska was re-opened in 2017 after a 30-year closure, but goose numbers available for a sustainable harvest remain…”
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Distribution and Population Size of Emperor Geese during the Breeding Season on the Seward Peninsula, Alaska by Lewis, Tyler L., Dimarzio, Tasha J., Schamber, Jason L.

“…The Emperor Goose (Anser canagicus) is a year-round occupant of northern latitudes, spending its entire annual cycle in coastal habitats of western Alaska and…”
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Evaluating the validity of using unverified indices of body condition by Schamber, Jason L., Esler, Daniel, Flint, Paul L.

“…Condition indices are commonly used in an attempt to link body condition of birds to ecological variables of interest, including demographic attributes such as…”
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Carryover Effects Associated with Winter Location Affect Fitness, Social Status, and Population Dynamics in a Long-Distance Migrant by Sedinger, James S., Schamber, Jason L., Ward, David H., Nicolai, Christopher A., Conant, Bruce

“…We used observations of individually marked female black brant geese (Branta bernicla nigricans; brant) at three wintering lagoons on the Pacific coast of Baja…”
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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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Emperor goose fall–winter harvest monitoring and hunter's perspectives in Alaska by Naves, Liliana C., Schamber, Jason L., Mengak, Lara F., Keating, Jacqueline M., Fall, James A.

“…Monitoring harvests and understanding hunters' perspectives are key for effective harvest management. Emperor goose (Anser canagicus) harvest in Alaska was…”
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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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Constraint versus restraint in the body mass dynamics during moult of a species with precocial young by Van Dellen, Amanda W., Riecke, Thomas V., Leach, Alan G., Nicolai, Christopher A., Person, Brian T., Lemons, Patrick R., Eichholz, Michael W., Lindberg, Mark S., Schamber, Jason L., Herzog, Mark P., Sedinger, James S.

“…Body mass declines during wing moult in numerous, but not all, populations of Anatidae. We assessed two leading hypotheses for body mass dynamics during wing…”
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Carry-Over Effects of Winter Location Contribute to Variation in Timing of Nest Initiation and Clutch Size in Black Brant (Branta bernicla nigricans) by Schamber, Jason L, Sedinger, James S, Ward, David H

“…We assessed carry-over effects from winter location on timing of nest initiation and clutch size of Black Brant (Branta bernicla nigricans) using observations…”
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Long-Term Persistence of Spent Lead Shot in Tundra Wetlands by Flint, Paul L, Schamber, Jason L

“…We seeded experimental plots with number 4 lead pellets and sampled these plots for 10 years to assess the settlement rate of pellets in tundra wetland types…”
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Variation in body mass dynamics among sites in Black Brant Branta bernicla nigricans supports adaptivity of mass loss during moult by Fondell, Thomas F., Flint, Paul L., Schmutz, Joel A., Schamber, Jason L., Nicolai, Christopher A.

“…Birds employ varying strategies to accommodate the energetic demands of moult, one important example being changes in body mass. To understand better their…”
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Chronic hydrocarbon exposure of harlequin ducks in areas affected by the Selendang Ayu oil spill at Unalaska Island, Alaska by Flint, Paul L., Schamber, Jason L., Trust, Kimberly A., Miles, A. Keith, Henderson, John D., Wilson, Barry W.

“…We evaluated chronic exposure of harlequin ducks (Histrionicus histrionicus) to hydrocarbons associated with the 2004 M/V Selendang Ayu oil spill at Unalaska…”
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Seasonal Movements and Distribution of Steller's Eiders ("Polysticta stelleri") Wintering at Kodiak Island, Alaska by ROSENBERG, DANIEL H., PETRULA, MICHAEL J., SCHAMBER, JASON L., ZWIEFELHOFER, DENNY, HOLLMÉN, TUULA E., HILL, DOUGLAS D., Giguère, Nicole

“…We used satellite telemetry in 2004–06 to describe the annual movements and habitat use of a segment of the Pacific population of Steller's Eiders (Polysticta…”
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Intercolony Variation in Growth of Black Brant Goslings on the Yukon-Kuskokwim Delta, Alaska by Fondell, Thomas F, Flint, Paul L, Sedinger, James S, Nicolai, Christopher A, Schamber, Jason L

“…Recent declines in black brant (Branta bernicla nigricans) are likely the result of low recruitment. In geese, recruitment is strongly affected by habitat…”
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Reproductive Ecology and Habitat use of Pacific Black Scoters (Melanitta Nigra Americana) Nesting on the Yukon-Kuskokwim Delta, Alaska by Schamber, Jason L, Broerman, Fred J, Flint, Paul L

“…Abundance indices of Black Scoters (Melanitta nigra. americana) breeding in Alaska indicate a long-term population decline without obvious cause (s). However,…”
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Effects of El NiñO on Distribution and Reproductive Performance of Black Brant by Sedinger, James S., Ward, David H., Schamber, Jason L., Butler, William I., Eldridge, William D., Conant, Bruce, Voelzer, James F., Chelgren, Nathan D., Herzog, Mark P.

“…Climate in low-latitude wintering areas may influence temperate and high-latitude breeding populations of birds, but demonstrations of such relationships have…”
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Molecular typing of Escherichia coli strains associated with threatened sea ducks and near-shore marine habitats of south-west Alaska by Hollmén, Tuula E., DebRoy, Chitrita, Flint, Paul L., Safine, David E., Schamber, Jason L., Riddle, Ann E., Trust, Kimberly A.

“…Summary In Alaska, sea ducks winter in coastal habitats at remote, non‐industrialized areas, as well as in proximity to human communities and industrial…”
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Population Dynamics of Long-Tailed Ducks Breeding on the Yukon-Kuskokwim Delta, Alaska by Schamber, Jason L., Flint, Paul L., Grand, J. Barry, Wilson, Heather M., Morse, Julie A.

“…Population estimates for long-tailed ducks in North America have declined by nearly 50% over the past 30 years. Life history and population dynamics of this…”
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Latitudinal variation in population structure of wintering Pacific Black Brant by Schamber, Jason L., Sedinger, James S., Ward, David H., Hagmeier, Kate R.

“…Latitudinal variation in population structure during the winter has been reported in many migratory birds, but has been documented in few species of waterfowl…”
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