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Filtering by: Academic Affiliation Fisheries and Wildlife Remove constraint Academic Affiliation: Fisheries and Wildlife Committee Member Weber, Lavern Remove constraint Committee Member: Weber, Lavern Decade 1980-1989 Remove constraint Decade: 1980-1989

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Influences of environmental acidification on salmonid reproduction

Creator:

Weiner, Gary S.

Abstract:

Reproduction of salmonid fishes in acidic water was studied using the rainbow trout (Salmo gairdneri). Adult trout were exposed to various levels of hydrogen ion (pH levels 4.5, 5.0, 5.5, and control [6.5 to 7.1]) during the final 6 weeks of reproductive maturation. Reduced survival rates of the progeny of...

Resource Type:

Masters Thesis
Chemoreception in coho salmon (Oncorhynchus kisutch) : aspects of behavior, physiology, and toxicology

Creator:

Rehnberg, Bradley Glenn

Abstract:

Detection of L-serine and D,L-alanine by juvenile coho salmon (Oncorhynchus kisutch) was measured in a two-choice Y-trough. Threshold concentration for olfactory detection of L-serine was 10-8 M for zero-age parr, 1O-7 M for yearling parr, 10-5 M for smolts in late April-early May, and 10-6 M for smolts in June....

Resource Type:

Dissertation
Handling and remote setting techniques for Pacific oyster larvae Crassostrea gigas

Creator:

Henderson, Bruce Alan

Resource Type:

Masters Thesis
In search of the optimum stocking density for chum salmon (Oncorhynchus keta) eggs in shallow matrix substrate incubators

Creator:

Kapuscinski, Anne R.

Abstract:

Within the tested range of 1000 - 7000 eyed eggs/ft² gravel substrate (1.08 - 7.53 eggs/cm²), the optimum stocking density for chum salmon (Oncorhynchus keta) eggs in shallow matrix substrate incubators occurred at 3000 - 4000 eggs/ft². Premature fry, which predominated early emergence, showed greater variability in lipid content than...

Resource Type:

Masters Thesis
Physiology of interrenal function in juvenile coho salmon (Oncorhynchus kisutch) and effects of hatchery rearing practices

Creator:

Patino, Reynaldo

Abstract:

Periodic determinations of plasma hormone levels suggested that changes in interrenal activity are unrelated to changes in thyroidal or gonadal activity during development (smoltification) of juvenile coho salmon (Oncorhynchus kisutch). Moreover, in an experiment where fish were reared under various conditions of crowding and water inflow rate, it appeared that...

Resource Type:

Dissertation

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Academic Affiliation

Fisheries and Wildlife[remove]5

Advisor

Schreck, Carl B.3
Breese, Wilbur P.1
Lannan, James1
Li, Hiram W.1

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1981 to 1988

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Committee Member

Weber, Lavern[remove]5
Chapman, Gary1
Ewing, Richard1
Hendricks, Jerry1
Lackey, Robert1
more Committee Members »

Creator

Henderson, Bruce Alan1
Kapuscinski, Anne R.1
Patino, Reynaldo1
Rehnberg, Bradley Glenn1
Weiner, Gary S.1

Date

Date range begin – Date range end

Current results range from 1980 to 1988

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Decade

1980-1989[remove]5

Degree Field

Fisheries and Wildlife4
Fisheries1

Degree Level

Master's3
Doctoral2

Degree Name

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

Language

English [eng]5

Non-Academic Affiliation

Oregon State University. Graduate School5

Peer Reviewed

No2

Resource Type

Masters Thesis3
Dissertation2

Rights Statement

Copyright Not Evaluated5

Subject

Chum salmon1
Coho salmon1
Coho salmon -- Physiology1
Crassostrea gigas1
Interrenal gland -- Physiology1
more Subjects »

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