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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 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.

Filter Total Items: 6063

The supply of suspended sediment from the Sacramento River to San Francisco Bay, I, concentrations and transports

No abstract available.
Authors
L. E. Schemel, S.W. Hager, D. Childers

Toxicity of fire retardant chemicals and fire suppressant foams to vertebrate and invertebrate wildlife species

Under laboratory conditions, acute single-dose oral toxicity tests (LD50) were conducted with three fire retardant chemicals (Fire-Trol GTS-R, Phos-Chek D75-F, and Fire-Trol LCG-R) and two fire suppressant foams (Silv-Ex and Phos-Chek WD-881) to determine effects on adult northern bobwhite, American kestrel, red-winged blackbird, and white-footed mouse. In addition, earthworms were exposed (LC50)
Authors
Nimish B. Vyas, Elwood F. Hill
By
Ecosystems Mission Area, Eastern Ecological Science Center

Toxicological significance of mercury in freshwater fish

Abstract not submitted to date
Authors
J.G. Wiener, D.J. Spry
By
Ecosystems Mission Area, Upper Midwest Environmental Sciences Center

Transportation and handling of salmonids

No abstract available
Authors
Gary Wedemeyer
By
Ecosystems Mission Area, Western Fisheries Research Center

Uncertainties in assessing contaminant exposure from sediments

No abstract available.
Authors
S. N. Luoma, N.S. Fisher
By
Ecosystems Mission Area, Toxic Substances Hydrology, Environmental Health Program

Vegetative index for characterizing drought patterns

No abstract available.
Authors
James D. Rowland, A. Nadeau, J. C. Brock, R. W. Klaver, D. G. Moore, J. Lewis
By
Earth Resources Observation and Science (EROS) Center

Veterinary aspects of releasing endangered Whooping Cranes (Grus americana) in Florida

No abstract available.
Authors
Glenn H. Olsen, M. Spalding, J.A. Langenberg
By
Ecosystems Mission Area, Eastern Ecological Science Center

Veterinary techniques for rearing crane chicks

No abstract available.
Authors
Glenn H. Olsen, J.A. Langenberg
By
Ecosystems Mission Area, Eastern Ecological Science Center

Viruses associated with diseases of walleye, sauger, and walleye x sauger hybrids

No abstract available at this time
Authors
P. E. McAllister
By
Ecosystems Mission Area, Eastern Ecological Science Center

Voucher specimens

No abstract available.
Authors
R.P. Reynolds, R.J. Crombie, R.W. McDiarmid, Terry L. Yates
By
Ecosystems Mission Area, Eastern Ecological Science Center

Waterfowl communities in the northern plains: Chapter 13

Features that determine the composition of avian communities have received extensive and enthusiastic attention, both empirically and theoretically (e.g., Cody 1974; Strong et al. 1984; Wiens, 1989a,b). Interspecific competition for limited resources is one influence widely regarded as critical, but others include species-specific responses to environmental conditions, predation, parasitism, comme
Authors
Douglas H. Johnson
By
Ecosystems Mission Area, Northern Prairie Wildlife Research Center

Wave and current processes and beach changes on a microtidal estuarine beach at Fire Island, NY

No abstract available.
Authors
K.F. Nordstrom, N.L. Jackson, J.R. Allen, D.J. Sherman
By
Ecosystems Mission Area, Eastern Ecological Science Center