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Page 4685, results 117101 - 117125

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Habitat Suitability Index Models: Field sparrow
Patrick J. Sousa
1983, FWS/OBS 82/10.62
Habitat preferences of the field sparrow (Spizella pusilla) are described in this report, which is one of a series of Habitat Suitability Index (HSI) models. A review and synthesis of the literature is followed by the development of a habitat model for the field sparrow throughout its breeding range in...
Habitat Suitability Index Models: Mink
Arthur W. Allen
1983, FWS/OBS 82/10.61
The mink (Mustela vison) is a predatory, semiaquatic mammal that is generally associated with stream and river banks, lake shores, fresh and saltwater marshes, and marine shore habitats (Gerell 1970).  Mink are chiefly nocturnal and remain active throughout the year (Marshall 1936); Gerell 1969; Burgess 1978)....
Habitat Suitability Index Models: Littleneck clam
Kenneth Rodnick, Hiram W. Li
1983, FWS/OBS 82/10.59
The littleneck clam, a member of the family Veneridae, is a hardshell species found in estuaries, bays, sloughs, and open coastl ines along the Pacific coast. This clam primarily inhabits the intertidal zone, but also occurs in subtidal areas (Hancock et ale 1979). It ranges from the Aleutian Islands to...
Biology, population structure, and estimated forage requirements of lake trout in Lake Michigan
Gary W. Eck, LaRue Wells
1983, Technical Paper 111
Data collected during successive years (1971-79) of sampling lake trout (Salvelinus namaycush) in Lake Michigan were used to develop statistics on lake trout growth, maturity, and mortality, and to quantify seasonal lake trout food and food availability. These statistics were then combined with data on lake trout year-class strengths and...
Habitat Suitability Index Models: Gulf of Mexico American Oyster
Edwin W. Cake Jr.
1983, FWS/OBS 82/10.57
The American or eastern oyster (Crassostrea virrinica [Gmelin]), a bivalve in the family Ostreidae, is an important commercia and recreational species along the Atlantic and Gulf of Mexico coasts of North America and other areas (U.S. Pacific coast and Hawaii) where it has been introduced (Galtsoff 1964). It evolved over...
Habitat Suitability Index Models: Yellow perch
Douglas A. Krieger, James W. Terrell, Patrick C. Nelson
1983, FWS/OBS 82/10.55
A review and synthesis of existing information were used to develop riverine and lacustrine habitat models for yellow perch (Perca flavescens). The models are scaled to produce an index of habitat suitability between 0 (unsuitable habitat) to 1 (optimally suitable habitat) for riverine, lacustrine, and palustrine habitat in the 48...
Habitat Suitability Index Models: Northern Gulf of Mexico brown shrimp and white shrimp
Robert Eugene Turner, Michael S. Brody
1983, FWS/OBS 82/10.54
A review and synthesis of existing information were used to develop estuarine habitat models for brown shrimp (Penaeus aztecus) and white shrimp (Penaeus setiferus). The models are scaled to produce an index of habitat suitability between 0 (unsuitable habitat) to 1 (optimally suitable habitat) for estuarine areas of the northern...
Habitat suitability index models: redhead (wintering)
Rebecca J. Howard, Harold A. Kantrud
1983, FWS/OBS 82/10.53
The redhead is a North American waterfowl species with economic as well as ecological importance. It is highly desired by hunters. Retrieved redhead kill in the United States averaged 143,000 birds during the three waterfowl seasons from 1975 to 1977 (U.S. Department of the Interior 1981a, 1981b). Populations on the...
Habitat Suitability Index Models: Mottled duck
James C. Rorabaugh, Phillip J. Zwank
1983, FWS/OBS 82/10.52
The mottled duck is a mallard-like resident species of the Gulf of Mexico coast, from the marshes of Pearl River on the Lou i si ana-Ht ss t ss ipp i border to the Al varado Lagoon near Veracruz, Mexico (Bell rose 1976). The highest densities of nesting mottl ed...
Habitat Suitability Index Models: Clapper rail
James C. Lewis, Russell L. Garrison
1983, FWS/OBS 82/10.51
A review and synthesis of existing information were used to develop a model suitable for evaluating the quality of coastal habitat of clapper rails (Rallus longirostris). The model is scaled to produce an index of habitat suitability between 0 (unsuitable habitat) and 1 (optimally suitable habitat) for coastal areas of...
Habitat Suitability Index Models: Coho salmon
Thomas E. McMahon
1983, FWS/OBS 82/10.49
The coho salmon (Oncorhynchus kisutch) is native to the northern Pacific Ocean, spawning and rearing in streams from Monterey Bay, California, to Point Hope, Alaska, and southward along the Asiatic coast to Japan. Its center of abundance in North America is from Oregon to Alaska (Briggs 1953; Godfrey 1965; Hart...
Habitat Suitability Index Models: Fallfish
Joan G. Trial, Charles S. Wade, Jon G. Stanley, Patrick C. Nelson
1983, FWS/OBS 82/10.48
A review and synthesis of existing information were used to develop riverine and lacustrine habitat models for fallfish (Semotilis corporalis), a freshwater species. The models are scaled to produce an index of habitat suitability between 0 (unsuitable habitat) to 1 (optimally suitable habitat) for freshwater, marine and estuarine areas of...
Habitat Suitability Index Models: Williamson's sapsucker
Patrick J. Sousa
1983, FWS/OBS 82/10.47
The Williamson's sapsucker (Sphyrapicus thyroideus) " ... inhabits middle elevation pine forests and high elevation spruce-fir forests" (Crockett 1975:111) as well as aspen stands (Hansley 1977; Hansley, pers. comm.) throughout its range in the western Uni ted States. The Rocky Mounta in subspecies (S. t. nataliae) exhibits altitudinal and latitudinal...
Habitat Suitability Index Models: Baird's sparrow
Patrick J. Sousa, W. Neil McDonal
1983, FWS/OBS 82/10.44
A review and synthesis of existing information were used to develop a habitat model for Baird's sparrow. The model is scaled to produce an index of suitability between 0 (unsuitable habitat) to 1 (optimally suitable habitat) for Baird's sparrow habitat in the Northern Great Plains. Habitat suitability indices are designed...