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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.
The USGS provides unbiased, objective, and impartial scientific information upon which our audiences, including resource managers, planners, and other entities, rely.
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
Optimal exploitation strategies for an animal population in a stochastic serially correlated environment
Optimal exploitation strategies were studied for an animal population in a stochastic, serially correlated environment. This is a general case and encompasses a number of important cases as simplifications. Data on the mallard (Anas platyrhynchos) were used to explore the exploitation strategies and test several hypotheses because relatively much is known concerning the life history and general
Authors
D.R. Anderson
Research on shore and upland migratory birds in New Jersey: Clapper rail studies: 1974 final report
No abstract available.
Authors
R.E. Mangold
Sport fishery and wildlife research 1972
No abstract available.
Aquatic animal health
No abstract available at this time
Fish pathology: a guide to the recognition and treatment of diseases and injuries of fishes, with emphasis on environmental and pollution problems
No abstract available at this time
Authors
H. H. Reichenbach-Klinke, M. Landolt
Geological literature on the San Joaquin Valley of California
The following list of references includes most of the geological literature on the San Joaquin Valley and vicinity in central California (see figure 1) published prior to January 1, 1973. The San Joaquin Valley comprises all or parts of 11 counties -- Alameda, Calaveras, Contra Costa, Fresno, Kern, Kings, Madera, Merced, San Joaquin, Stanislaus, and Tulare (figure 2). As a matter of convenient geo
Authors
J.C. Maher, W.M. Trollman, J.M. Denman
Ground control requirements for precision processing of ERTS images
With the successful flight of the ERTS-1 satellite, orbital height images are available for precision processing into products such as 1:1,000,000-scale photomaps and enlargements up to 1:250,000 scale. In order to maintain positional error below 100 meters, control points for the precision processing must be carefully selected, clearly definitive on photos in both X and Y. Coordinates of selected
Authors
Thomas C. Burger
Nutrient requirements of trout, salmon, and catfish
No abstract available at this time
Authors
J.E. Halver, J.A. Coates, C.W. Deyoe, H.K. Dupree, G. Post, R.O. Sinnhuber
Proceedings of the Black-footed Ferret & Prairie Dog Workshop, September 4-6, 1973
Both State and Federal agencies have been working with the black-footed ferret and prairie dog during the past few years. Much of the work is not extensive enough for publication in scientific journals and is, therefore, not reported. The objective of this Workshop was to bring workers together for discussion of the current status of the two species. Each of the Conservation Departments in the sta
Authors
R.L. Linder, C.N. Hillman