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Theses

Science Quality and Integrity

The USGS provides unbiased, objective, and impartial scientific information upon which our audiences, including resource managers, planners, and other entities, rely.

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Browse more than 100 theses authored by our scientists going back to 1959 and refine search by topic, location, year, and advanced search.

Filter Total Items: 158

Biological effects of dietary T-2 toxin on the chick and rainbow trout

No abstract available at this time
Authors
James Lee Coffin

An analysis of the extracellular growth products of Aeromonas salmonicida as virulence factors and potential immunogens

No abstract available at this time
Authors
R.C. Cipriano
By
Ecosystems Mission Area, Eastern Ecological Science Center

Histopathology of selected diseases of salmonids

No abstract available 
Authors
W. T. Yasutake
By
Ecosystems Mission Area, Western Fisheries Research Center

Interactions of lead polychlorinated biphenyl with duck plague virus infection in mallard ducks

No abstract available.
Authors
B.E. Barga
By
Ecosystems Mission Area, National Wildlife Health Center

Investigations of coyote reproductive behavior

No abstract available at this time
Authors
D. A. Barnum

Pathologic manifestations of viral erythrocytic necrosis in fish

No abstract available 
Authors
J.R. MacMillan
By
Ecosystems Mission Area, Western Fisheries Research Center

The adaptive significance of flocking among wintering shorebirds

No abstract available at this time
Authors
B.E. Kus
By
Ecosystems Mission Area, Western Ecological Research Center (WERC)

An evaluation of the river die-away biodegradation test

No abstract available at this time
Authors
G.D. Wylie
By
Ecosystems Mission Area, Western Ecological Research Center (WERC)

Pen-rearing of silver salmon (Oncorhynchus kisutch) in San Francisco Bay

No abstract available 
Authors
S.D. Smith
By
Ecosystems Mission Area, Western Fisheries Research Center

Population biology of plains cottonwood (Populus sargentii) in northeast Colorado. (Undergraduate honors thesis)

No abstract available at this time
Authors
K. McEachern
By
Ecosystems Mission Area, Western Ecological Research Center (WERC)

Population dynamics and sediment relations of Gemma gemma in San Francisco Bay

No abstract available.
Authors
J.K. Thompson

Dietary sulfur requirements of fish: nutritional, pathological, and biochemical criteria

No abstract available at this time
Authors
Jimmy Wayne Page
By
Ecosystems Mission Area, Eastern Ecological Science Center