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Filtering by: Academic Affiliation Fisheries and Wildlife Remove constraint Academic Affiliation: Fisheries and Wildlife Committee Member Warren, Charles E. Remove constraint Committee Member: Warren, Charles E. Decade 1980-1989 Remove constraint Decade: 1980-1989

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Ecology of breeding mallards : nest parasitism; brood survival; and habitat utilization

Creator:

Talent, Larry Gene

Abstract:

In 1976 and 1977 I examined three broad problems associated with the recruitment of young mallards, Anas platyrhynchos, in the Prairie Pothole Region of North Dakota. The three problems studied were: the effects of interspecific nest parasitism on production; the chronology and magnitude of total-brood loss during the brood-rearing period;...

Resource Type:

Dissertation
Trophic adaptations and relationships of rockfishes (Sebastes spp.) of Oregon

Creator:

Pequeño, Germán E.

Abstract:

A comparative analysis of structures related to capture and processing of food, in 624 specimens belonging to 31 species of Sebastes of Oregon was made. The structures studied were the following: the tooth-bearing bones (premaxillary, dentary, vomer, palatine); the maxillary, angular, articular, parasphenoid and glossohyal bones; the lower limb of...

Resource Type:

Dissertation
A model for understanding the influence of selective and nonselective harvest on fish populations

Creator:

Hirai, Takayuki

Abstract:

To understand the influence of selective harvesting on the adaptive capacity of fish populations in changing environments, a computer simulation model was developed. In the model, hypothetical populations were composed of five different life histories, which were genetically determined. Each life history type had its own rate of survival and...

Resource Type:

Masters Thesis
Seasonal distribution and environment of adult Pacific herring (Clupea harengus pallasi) near Auke Bay, Lynn Canal, southeastern Alaska

Creator:

Carlson, Harry Richard

Abstract:

The distribution of adult Pacific herring (Clupea harengue pallasi) near Auke Bay, Lynn Canal, southeastern Alaska, varied by depth and geographic area over 24 successive months during 1973-75. From June through September, schools concentrated at 5- to 37-m depths where zooplankton was abundant, and moderate currents were present in a...

Resource Type:

Dissertation
Stream habitat utilization and behavior of sympatric and allopatric wild cutthroat trout (Salmo clarki) and hatchery coho salmon (Oncorhynchus kitsutch)

Creator:

Jacobs, Steven Edward

Abstract:

The behavior and stream habitat utilization of juvenile hatchery-reared coho salmon (Ovicozihynchus kisutch) and wild cutthroat trout (Salmo clarki) were examined to assess the nature of interactions between the species potentially resulting from introductions of hatchery coho salmon in streams. Habitat utilization was monitored in Mill Creek, Polk Co., Oregon...

Resource Type:

Masters Thesis

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Academic Affiliation

Fisheries and Wildlife[remove]5

Advisor

Bond, Carl E.2
Jarvis, Robert L.1
Liss, William J.1
Schreck, Carl B.1

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1980 to 1988

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Committee Member

Warren, Charles E.[remove]5
Horton, Howard F.2
Buckhouse, John C.1
Coblentz, Bruce E.1
Ewing, Richard D.1
more Committee Members »

Creator

Carlson, Harry Richard1
Hirai, Takayuki1
Jacobs, Steven Edward1
Pequeno, German E.1
Talent, Larry Gene1

Date

Date range begin – Date range end

Current results range from 1980 to 1987

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Decade

1980-1989[remove]5

Degree Field

Fisheries3
Fisheries and Wildlife1
Wildlife Science1

Degree Level

Doctoral3
Master's2

Degree Name

Doctor of Philosophy (Ph.D.)3
Master of Science (M.S.)2

Language

English [eng]5

Non-Academic Affiliation

Oregon State University. Graduate School5

Peer Reviewed

No4

Resource Type

Dissertation3
Masters Thesis2

Rights Statement

Copyright Not Evaluated5

Subject

Coho salmon1
Cutthroat trout1
Fish populations -- Computer simulation1
Fishes -- Conservation1
Mallard1
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