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Page 4579, results 114451 - 114475

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Habitat Suitability Index Models: Spotted seatrout
Paul T. Kostecki
1984, FWS/OBS 82/10.75
The estuarine spotted seatrout, a primarily estuarine species, is one of the most important sport and commercial fishes in coastal Gulf of Mexico waters (Arnold et a1. 1976). Spotted seatrout rank second by weight in catches by U.S. saltwater sport fishermen (National Marine Fisheries Services 1981) ....
Habitat Suitability Index Models and Instream Flow Suitability Curves: Spotted bass
Thomas E. McMahon, Glen Gebhart, O. Eugene Maughan, Patrick C. Nelson
1984, FWS/OBS 82/10.72
The Habitat Suitability Index (HSI) models presented in this publication aid in identifying habitat variable important to the growth and survival of spotted bass (Micropterus punctulatus). Facts, ideas, and concepts obtained from the research literature and expert reviews are synthesized and presented in a format that can be used for...
A reconnaissance study of saltwater contamination in the El Dorado aquifer, Union County, Arkansas
Matthew E. Broom, T. F. Kraemer, William V. Bush
1984, Water-Resources Investigations Report 84-4012
Since 1960 chloride concentrations in the El Dorado aquifer have increased near El Dorado, Arkansas. The aquifer is a major source for municipal and industrial water supply in Union County. Greatest withdrawal occurs near El Dorado. Because of this withdrawal, the potentiometric surface at El Dorado has been lowered more...
Uses, funding, and availability of continuous streamflow data in Montana
R.R. Shields, M. K. White
1984, Open-File Report 84-862
This report documents the results of a study of the uses, funding, and availability of continuous streamflow data collected and published by the U.S. Geological Survey in Montana. Data uses and funding sources are identified for the 218 continuous streamflow gages currently (1984) being operated. These stations are supported by...
Habitat Suitability Index Models: The Arizona guild and layers of habitat models
Henry L. Short
1984, FWS/OBS 82/10.70
This document is part of the Habitat Suitability Index Models Series, which provides habitat information useful for impact assessment and habitat management. Both of the models described in this report are based on the significant association of Wildlife species with vegetation structure. The models compare the structure in the study...
Habitat Suitability Index Models: Black brant
Richard L. Schroeder
1984, FWS/OBS 82/10.63
A review and synthesis of existing information were used to develop a habitat suitability index model for wintering habitat of the black brant (Branta bernicla nigracans). The model consolidates habitat use information into a framework appropriate for field application and is scaled to produce an index value between 0.0 (unsuitable...
Habitat Suitability Index Models: Muskrat
Arthur W. Allen, Robert D. Hoffman
1984, FWS/OBS 82/10.46
The muskrat (Ondatra zibethicus) is the most valuable semi-aquatic furbearer in North America, with a total fur trade income in the millions of dollars (Willner et al. 1980). With the exception of Florida, and coastal Georgia and South Carol ina, native and introduced populations of muskrats occur throughout most of...
Habitat Suitability Index Models: Walleye
Thomas E. McMahon, James W. Terrell, Patrick C. Nelson
1984, FWS/OBS 82/10.56
The wall eye is native to freshwater ri vers and 1akes of Canada and the United States, with rare occurrences in brackish water (Scott and Crossman 1973). In the United States, its native range occurs primarily in drainages east of the Rocky Mountains and west of the Appalachians; however, it...