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Filtering by: Creator Swisher, Ely Martin Advisor Jarvis, Robert L.

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
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:

Leder, Mandy Lindeberg, Bruce March, Anita Martin, Joshua Millstein, John Moreland, Jerry Phillips