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Comparative ecology of several subspecies of Canada geese during winter in western Oregon

Creator:: Simpson, Susan Gay
Resource Type:: Masters Thesis
Full Text:: Comparative ecology of several subspecies of Canada geese

Ecology of harlequin ducks in Prince William Sound, Alaska, during summer

Creator:: Dzinbal, Kenneth A.
Abstract:: Harlequin ducks (Histrionicus histrionicus) were observed during the summers of 1979 and 1980 in Sawmill Bay, northeast Prince William Sound, Alaska. Harlequins were associated with a short, medium gradient, non-glacial stream (Stellar Creek) also used by salmon. Although harlequins nested along Stellar Creek, they apparently did not establish home ranges...
Resource Type:: Masters Thesis
Full Text:: Ecology of harlequin ducks in Prince William Sound, Alaska

Foraging ecology of migrant waterbirds, Lake Abert, Oregon

Creator:: Boula, Kathryn Marcile
Abstract:: Seven species of water-dependent birds (northern phalarope, Phalaropus lobatus; American avocet, Recurvirostra americana; Wilson's phalarope, P. tricolor; eared grebe, Podiceps nigricollis; ring-billed gull Larus delawarensis; California gull, L. californicus; and northern shoveler, Anas clypeata) were studied during the fall migrations of 1982 and 1983 to determine the diets and foraging...
Resource Type:: Masters Thesis

Foraging ecology of prairie falcons in northern California

Creator:: Haak, Bruce A.
Abstract:: Nine Prairie Falcons (Falco mexicanus) were radio-tagged in northern California during the spring and summer of 1976 and 1977 to study foraging behavior. The mean home range size for 3 males was 227.8 km²; largest portions of the home range were used during the incubation period. Shifts in foraging areas...
Resource Type:: Masters Thesis
Full Text:: Master of Science in Wildlife Science presented on J%,L /19 Title: FORAGING ECOLOGY OF PRAIRIE FALCONS

Nesting ecology of mallards in the Willamette Valley of Oregon

Creator:: Rickerson, Eric V.
Abstract:: Although widely studied in many portions of North America, little is known about the specific habitat requirements of mallard ducks (Anas platyrhynchos) during the breeding season in western Oregon. I radio-marked 72 female mallards in the Willamette Valley of Oregon in March-April 1995-96 to document wetland habitat selection during pre-nesting...
Resource Type:: Masters Thesis
Full Text:: mallard nesting ecology research in the Willamette Valley of Oregon, 1995-1996. 6 Corva S METHODS

Ecology of female northern pintails during winter in the San Joaquin Valley, California

Creator:: Fleskes, Joseph P.
Abstract:: I radio-tagged 191 Hatch-Year (HY) and After-Hatch-Year (AHY) female northern pintails (Anas acuta) in the San Joaquin Valley (SJV), California and studied their movements, habitat use and survival during August March, 1991-94. Overall, 94.3% wintered in central California; the highest percentage left during the 1991 drought. Tulare Basin and Mendota...
Resource Type:: Dissertation
Full Text:: Ecology of female northern pintails during winter in the San

Ecology of mallard ducklings on Lower Klamath National Wildlife Refuge, California

Creator:: Mauser, David M.
Abstract:: The ecology of female mallards (Anas platyrhynchos) and their broods was studied during 1988-90 on Lower Klamath National Wildlife Refuge, California. Survival of 127 radio-marked ducklings from 64 broods was 0.18 to 10 days of life, and 0.37 and 0.34 to fledging for 1988, 1989, and 1990, respectively. For the...
Resource Type:: Dissertation
Full Text:: Ecology of mallard ducklings on Lower Klamath National

Nesting and foraging ecology of band-tailed pigeons in western Oregon

Creator:: Leonard, Jerome Patrick
Abstract:: Pacific Coast band-tailed pigeons (Columba fasciata) have declined markedly during the past several decades. Despite implementation of increasingly restrictive hunting regulations, populations have shown minimal signs of recovery. I radio-marked 127 adult band-tailed pigeons in the central Oregon Coast Range in April-May of 1993-95 to document nesting chronology and productivity,...
Resource Type:: Dissertation
Full Text:: Foraging Ecology of Band-tailed Pigeons in Western Oregon. Abstract approved: L. Jarvis Pacific Coast

Population ecology of a pheasant population augmented by release of game farm pheasants

Creator:: Engbring, John
Resource Type:: Masters Thesis
Full Text:: : POPULATION ECOLOGY OF A PHEASANT POPULATION AUGMENTED BY RELEASE OF GAME FARM PHEASANTS Abstract approved

Nesting habitat and ecology of Aleutian terns on the Copper River Delta, Alaska

Creator:: Holtan, Lars H.
Resource Type:: Masters Thesis
Full Text:: ECOLOGY OF ALEUTIAN TERNS ON THE COPPER RIVER DELTA. ALASKA Abstract approved: Jarvis A study of the

ScholarsArchive@OSU

Comparative ecology of several subspecies of Canada geese during winter in western Oregon

Ecology of harlequin ducks in Prince William Sound, Alaska, during summer

Foraging ecology of migrant waterbirds, Lake Abert, Oregon

Foraging ecology of prairie falcons in northern California

Nesting ecology of mallards in the Willamette Valley of Oregon

Ecology of female northern pintails during winter in the San Joaquin Valley, California

Ecology of mallard ducklings on Lower Klamath National Wildlife Refuge, California

Nesting and foraging ecology of band-tailed pigeons in western Oregon

Population ecology of a pheasant population augmented by release of game farm pheasants

Nesting habitat and ecology of Aleutian terns on the Copper River Delta, Alaska

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