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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 almost 1,000 books authored by our scientists over the past 100+ year history of the USGS and refine search by topic, location, year, and advanced search.

Filter Total Items: 971

Prey availability for foraging Piping Plovers along the Platte River in Nebraska

No abstract available.
Authors
J. G. Corn, M. Armbruster

Vegetation needs of the desert tortoise in the Sonoran and Mojave Deserts

No abstract available.
Authors
T. E. Cordery, T. A. Duck, T. C. Esque, J. J. Slack

Functions and values of western riparian ecosystems

No abstract available.
Authors
Lee S. Ischinger

HEP refresher workbook

No abstract available.
Authors
R. B. Stiehl

The effects of ingested plastic on growth and survival of albatross chicks

We studied the effects of ingested plastic on the growth and survival of chicks of Laysan Albatrosses Diomedea immutabilis and Black-footed albatrosses D. nigripes on Midway Atoll during the nesting seasons of 1986 and 1987. Weights and proventricular contents of the chicks were determined periodically through the nesting cycle. Large (>22 cm1)volumes of plastic were present in the proventriculi
Authors
Paul R. Sievert, Louis Sileo
By
Ecosystems Mission Area, National Wildlife Health Center

A trail development plan for the New River Gorge National River

No abstract available.
Authors
P. Jensen, D. Regan, J. L. Marion
By
Ecosystems Mission Area, Eastern Ecological Science Center

Answering questions about desert tortoises: a guide for people who work with the public

No abstract available at this time
Authors
K.H. Berry

Ecology and Environmental Management of Lyme Disease

No abstract available.
By
Ecosystems Mission Area, Eastern Ecological Science Center

Fish diseases diagnosis and prevention methods

No abstract available at this time

Interface Between Ecology and Development in California

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

Modern and ancient coal-forming environments

No abstract available 

Puerto Rican parrot (Amazona vittata) reproductive behavior: a guideline for management of active nests

One explanation for the failure of intensively monitored Puerto Rican Parrot nests is that observers may lack the information needed to evaluate pair behavior and to recognize behaviors indicative of nest problems. I examined the behavior of Puerto Rican Parrots during eight non-problematic and six problematic nesting attempts to 1) describe behavior of pairs that experienced no notable nest prob
Authors
K.A. Wilson
By
Ecosystems Mission Area, Eastern Ecological Science Center