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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

Migratory behavior of Heterosigma carterae, implications for bloom development

No abstract available 
Authors
P.K. Hershberger
By
Ecosystems Mission Area, Western Fisheries Research Center

Movements, distribution, and population dynamics of polar bears in the Beaufort Sea

No abstract available.
Authors
Steven C. Amstrup
By
Ecosystems Mission Area, Alaska Science Center

Tracing human impacts in natural systems: geckos in the Pacific and amphibians in the Central Valley

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

Diet and diet selection of the desert tortoise (Gopherus agassizii) in the northeast Mojave Desert

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

The biogeochemical fate of organic acids in a shallow aquifer contaminated with gasoline

No abstract available.
Authors
Isabelle M. Cozzarelli
By
Geology, Minerals, Energy, and Geophysics Science Center

Foraging ecology and habitat utilization of the desert tortoise (Gopherus agassizii) in the western Mojave Desert

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

Seasonal reproduction of Potamocorbula amurensis in San Francisco Bay, California

No abstract available.
Authors
Francis Parchaso

Vegetation establishment and channel narrowing along a Great Plains stream following a catastrophic flood

No abstract available.
Authors
J. M. Friedman
By
Ecosystems Mission Area, Fort Collins Science Center

Wildlife habitat inventory and monitoring, Golden Gate National Recreation Area, California: a pilot study

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

Disturbance dynamics of Pitcher's thistle (Cirsium pitcheri) populations in Great Lakes sand dune landscapes

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

Ecological impact of human disturbance on the Desert Tortoise Natural Area, Kern County, California, 1987-1992

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

The evolution of avian song: a study of the impact of sound propagation on animal communication

No abstract available at this time
Authors
W.I. Boarman