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Filtering by: Creator Working Lands for Wildlife Committee Member Pereira, Cliff Degree Field Wildlife Science Degree Level Doctoral

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:

Wildlife Refuge, California AN ABSTRACT OF THE THESIS OF David M. Mauser for the degree of Doctor of
Local weather, regional climate, and population dynamics of northern spotted owls in Washington and Oregon

Creator:

Glenn, Elizabeth M.

Abstract:

Since the early 1990s, declines in northern spotted owl (Strix occidentalis caurina) populations have been documented through extensive field surveys and range-wide demographic analyses. Although loss of late-successional forest has been credited as the primary cause for spotted owl population declines, environmental variation has also been shown to influence vital...

Resource Type:

Dissertation

Full Text:

. Glenn for the degree of Doctor of Philosophy in Wildlife Science presented on March 6, 2009. Title
Harlequin duck demography during winter in Prince William Sound, Alaska : effects of the Exxon Valdez oil spill

Creator:

Esler, Daniel

Abstract:

The 1989 Exxon Valdez oil spill was a major perturbation of nearshore habitats of Prince William Sound, a wintering area for harlequin ducks (Histrionicus histrionicus). This research was designed to evaluate harlequin duck population recovery from the oil spill from 1995 to 1998, using a demographic approach to assess both...

Resource Type:

Dissertation

Full Text:

Esler for the degree of Doctor of Philosophy in Wildlife Science presented on September 27,2000. Title

ScholarsArchive@OSU

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

Local weather, regional climate, and population dynamics of northern spotted owls in Washington and Oregon

Harlequin duck demography during winter in Prince William Sound, Alaska : effects of the Exxon Valdez oil spill

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