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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.

Browse more than 5,500 book chapters authored by our scientists over the past 100+ year history of the USGS and refine search by topic, location, year, and advanced search.

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January 1, 1984

Species composition of fish communities in northern Wisconsin lakes: Relation to pH

Fish communities in circumneutral Wisconsin lakes contained significantly more species than did those in acidic lakes (pH 5.1-6.0). Common, as well as rare, species occurred with lower frequency in acidic lakes than in circumneutral lakes. Certain taxa, such as minnows and darters, were either absent or rare in the acidic lakes, probably because of pH-related stress. The differences in species

Authors

J.G. Wiener, P.J. Rago, J.M. Eilers

By

Ecosystems Mission Area, Upper Midwest Environmental Sciences Center

January 1, 1984

Status and conservation of seabirds in the southeastern United States

No abstract available.

Authors

R. B. Clapp, P. A. Buckley

By

Ecosystems Mission Area, Eastern Ecological Science Center

January 1, 1984

Stress and disease in the aquatic environment: individual and population-level responses

No abstract available

Authors

Gary Wedemeyer, C.P. Goodyear

By

Ecosystems Mission Area, Western Fisheries Research Center

January 1, 1984

Suppression of bath immunization in rainbow trout by contaminant bath pretreatments

No abstract available at this time

Authors

D. P. Anderson, O. W. Dixon, F. W. van Ginkel

By

Ecosystems Mission Area, Eastern Ecological Science Center

January 1, 1984

The Big Cypress Swamp

No abstract available

Authors

B. F. McPherson

January 1, 1984

The Patuxent team

No abstract available.

Authors

M. C. Perry

By

Ecosystems Mission Area, Eastern Ecological Science Center

January 1, 1984

Threatened breeding birds of Maryland

No abstract available.

Authors

C.S. Robbins, D.D. Boone

By

Ecosystems Mission Area, Eastern Ecological Science Center, Chesapeake Bay Activities

January 1, 1984

Toxicity of chemical mixtures

Abstract not submitted to date

Authors

L. L. Marking

By

Ecosystems Mission Area, Upper Midwest Environmental Sciences Center

January 1, 1984

Transportation of live fish

No abstract available at this time

Authors

H.K. Dupree, J.V. Huner

By

Ecosystems Mission Area, Eastern Ecological Science Center

January 1, 1984

Trimorphodon

No abstract available at this time

Authors

N. J. Scott, R.W. McDiarmid

By

Ecosystems Mission Area, Western Ecological Research Center (WERC)

January 1, 1984

Trimorphodon biscutatus

No abstract available at this time

Authors

N. J. Scott, R.W. McDiarmid

By

Ecosystems Mission Area, Western Ecological Research Center (WERC)

January 1, 1984

Trimorphodon tau

No abstract available at this time

Authors

N. J. Scott, R.W. McDiarmid

By

Ecosystems Mission Area, Western Ecological Research Center (WERC)