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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

California's living marine resources and their utilization: sea otter

No abstract available.
Authors
G.R. VanBlaricom, R.A. Hardy

Cypress Creek National Wildlife Refuge biological concept plan

No abstract available.
Authors
J. E. Roelle, D. B. Hamilton

The effect of mesoscale vegetation distribution on the hydrologic cycle and regional and global climate

No abstract available.
Authors
R. A. Pielke, T. J. Lee, Timothy G.F. Kittel, J. M. Cram, T. N. Chase, G. A. Dalu, Jill Baron

Economic analysis of critical habitat designation effects for the northern spotted owl

No abstract available.
Authors
M. L. Schamberger, J. J. Charbonneau, M. J. Hay, R.L. Johnson

Characteristics of cyanobacterial-lichen soil crusts in long-term saguaro monitoring plots

No abstract available.
Authors
J. Belnap

Changes in chemical characteristics of water in selected wetlands in the Cottonwood Lake area, North Dakota, U.S.A., 1967-1989

No abstract available.
Authors
James W. LaBaugh, George A. Swanson
By
Ecosystems Mission Area, Northern Prairie Wildlife Research Center

A comparison of the nesting success of mourning doves and American robins in conventionally managed and organic orchards

A comparative study was undertaken to document more closely the effects of operational pesticide use on non-target avian species. Mourning Dove (Zenaida macroura) and American Robin (Turdus migratorius) nesting activity was monitored in three organic and three conventional orchards during two breeding seasons. Surveys were conducted to characterize the avian community within orchards under both
Authors
K.M. Fluetsch
By
Ecosystems Mission Area, Eastern Ecological Science Center

A comprehensive trail inventory and recommendations for development and maintenance of a trail system in Delaware Water Gap National Recreation Area. Final Research Report

No abstract available.
Authors
Pat Williams, J. L. Marion, R. Rajala
By
Ecosystems Mission Area, Eastern Ecological Science Center

A stochastic population model of mid-continental mallards

No abstract available.
Authors
Rolf R. Koford, J.R. Sauer, D. H. Johnson, J. D. Nichols, M. D. Samuel
By
Ecosystems Mission Area, National Wildlife Health Center

Forum on land use and land Cover: Summary report

This report includes the agenda and abstracts of presentations from the Forum on Land Use and Land Cover Data, cohosted by the U. S. Geological Survey (USGS) and the U.S. Environmental Protection Agency (USEPA), February 25-27,1992 at the USGS National Center in Reston, Virginia. The Forum was conducted under the auspices of the Federal Geographic Data Committee (FGDC) and was attended by Federal

Majestic Molokai: A nature lover's guide

No abstract available.
Authors
A.K. Kepler, C.B. Kepler
By
Ecosystems Mission Area, Eastern Ecological Science Center

Results of the First Joint US-USSR Central Pacific Expedition (BERPAC), Autumn 1988

No abstract available.
Authors
J. F. Turner, H.J. O'Connor, Y.A. Izrael, A.V. Tsyban
By
Ecosystems Mission Area, Eastern Ecological Science Center