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Food habits, dietary overlap and gastric evacuation rates of rockfishes (genus Sebastes)

Creator:: Brodeur, Richard D.
Abstract:: Euphausiids constituted the major food of five co-occuring species of rockfishes (Sebastes spp.). Copepods, decapods, cephalopods, amphipods, fishes and other pelagic prey were also consumed but were less important to the overall diet. Two species, S. flavidus and S. diploproa, were relatively euryphagous, utilizing a high number of prey taxa....
Resource Type:: Masters Thesis
Full Text:: . Bill Pearcy, George Boehlert, Carl Bond and Vern Weber for their cooperation during the study and

Relationships between oceanographic factors and the distribution of juvenile coho salmon (Oncorhynchus kisutch) off Oregon and Washington, 1982-1983

Creator:: Chung, Alton W.
Abstract:: Juvenile coho salmon (101-400 mm) were sampled by purse seine off the Pacific Coast from Waatch Point, Washington to Four Mile Creek, Oregon, out to 30 mi offshore, during the months of May, June, and September in 1982 and 1983. Sea surface temperature, surface salinity, surface chlorophyll-a concentration, and Secchi...
Resource Type:: Masters Thesis
Full Text:: warmest aloha goes to my advisor and mentor, Bill Pearcy, for his moral support, patience, understanding

Feeding habits of northern fur seals (Callorhinus ursinus) in the eastern Bering Sea

Creator:: Sinclair, Elizabeth
Abstract:: This study was conducted to determine the composition and size of prey consumed by northern fur seals (Callorhinus ursinus) in the eastern Bering Sea. Eighty three northern fur seals were collected in the summer and fall of 1981, 1982, and 1985 for examination of gastrointestinal contents. A total of 139...
Resource Type:: Masters Thesis
Full Text:: teacher ACKNOWLEDGEMENTS I extend special thanks to my advisor, Bill Pearcy for his enthusiasm and

Behavioral and demographic characteristics of northern sea lion rookeries

Creator:: Merrick, Richard L.
Abstract:: Northern sea lions (Eumetopias lubatus) were studied at three sites (Rogue Reef, Oregon, Marmot Island, Alaska, and T.Ugamak Island, Alaska) during the 1982, 1983, 1985, and 1986 breeding seasons. Data were collected on female activity budgets, attendance patterns, births, copulations, population structure, and patterns of seasonal and daily abundance. Females...
Resource Type:: Masters Thesis

Seasonal changes in English sole distribution : an analysis of the inshore trawl fishery off Oregon

Creator:: Hewitt, Gary R.
Abstract:: Oregon English sole catch data from 0 to 80 fathoms between Coos Bay and Cape Lookout were examined for the years 1973, 1975, and 1976. English sole is a major target species of this inshore trawl fishery. Comparison of depths of maximal values of catch per unit effort, effort, and...
Resource Type:: Masters Thesis
Full Text:: . Pearcy Oregon English sole catch data from 0 to 80 fathoms between Coos Bay and Cape Lookout were

Feeding relationships within assemblages of nearshore and mid-continental shelf benthic fishes off Oregon

Creator:: Wakefield, Willard Waldo
Resource Type:: Masters Thesis
Full Text:: Pearcy, Carl Bond, and Robert Morris. A special thanks belongs to Dr. Pearcy for his guidance and

Biochemical adaptation of deep-sea fishes : susceptibility of dehydrogenases to pressure-inactivation and proteolysis

Creator:: Hennessey, John Patrick
Resource Type:: Dissertation
Full Text:: . Jim Lannan, Marilyn Gum, Dr. Bill Pearcy and Dr. Bob Olson. Last, but not least, I thank my parents

Developmental grazing capabilities of Pseudocalanus sp. and Acartia clausi (CI to adult)

Creator:: Dexter, Barbara Lynne
Resource Type:: Dissertation
Full Text:: gladly follow. Thanks to Dr. Bill Pearcy and Dr. Bob Olsen, who remained quietly supportive throughout

Population dynamics and feeding ecology of the copepod, Metridia pacifica, in the subarctic Pacific Ocean

Creator:: Batchelder, Harold Parker
Resource Type:: Dissertation
Full Text:: thoughts and opinions about science and scientists. I would also like to thank Larry Small, Bill Pearcy

Photoperiod and the timing of pupping in the Pacific harbor seal (Phoca vitulina richardsi) with notes on reproduction in northern fur seals and Dall porpoises

Creator:: Temte, Jonathan L.
Abstract:: Birth and pupping season records of Pacific harbor seals (Phoca vitulina richardsi) were used in an analysis of photoperiod effect on the timing of birth in this species. Dates and latitudes of births were converted into photoperiods using a photoperiod equation. Sequential dates from parturition were converted into photoperiods and...
Resource Type:: Masters Thesis
Full Text:: marine mammals. Bill Pearcy and Charles Miller of the OSU School of Oceanography supplied a thorough

ScholarsArchive@OSU

Food habits, dietary overlap and gastric evacuation rates of rockfishes (genus Sebastes)

Relationships between oceanographic factors and the distribution of juvenile coho salmon (Oncorhynchus kisutch) off Oregon and Washington, 1982-1983

Feeding habits of northern fur seals (Callorhinus ursinus) in the eastern Bering Sea

Behavioral and demographic characteristics of northern sea lion rookeries

Seasonal changes in English sole distribution : an analysis of the inshore trawl fishery off Oregon

Feeding relationships within assemblages of nearshore and mid-continental shelf benthic fishes off Oregon

Biochemical adaptation of deep-sea fishes : susceptibility of dehydrogenases to pressure-inactivation and proteolysis

Developmental grazing capabilities of Pseudocalanus sp. and Acartia clausi (CI to adult)

Population dynamics and feeding ecology of the copepod, Metridia pacifica, in the subarctic Pacific Ocean

Photoperiod and the timing of pupping in the Pacific harbor seal (Phoca vitulina richardsi) with notes on reproduction in northern fur seals and Dall porpoises

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