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Page 4603, results 115051 - 115075

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Sex specificity of behavioral dominance and fasting endurance in wintering canvasbacks: Experimental results
Matthew C. Perry, J.D. Nichols, M.J. Conroy, H.H. Obrecht III, B. Kenneth Williams
Milton W. Weller, editor(s)
1988, Book chapter, Waterfowl in Winter
Hand-reared canvasbacks (Aythya valisineria) of varying sex ratios were maintained in pens during winter 1980-81 (3M-3F, 6M-0F, 0M-6F) and winter 1981-82 (4M-2F, 2M-4F) and fed two diets (control and stress). They were observed during feeding trials to determine intrasexual and intersexual aggressive activity. There was little evidence that either diet...
Some considerations in modeling the mallard life cycle
Douglas H. Johnson, J.D. Nichols, M.J. Conroy, L.M. Cowardin
Milton W. Weller, editor(s)
1988, Book chapter, Waterfowl in Winter
We outline a population model proposed to accommodate the full life cycle of the mallard (Anas platyrhynchos}. Events during the breeding season are better understood than events at other times of the year, but recent findings suggest the importance of phenomena away from the breeding grounds. Several processes are discussed...
Developing of 10-year EEZ seafloor mapping and research program
M. Lockwood, G. W. Hill
1988, Marine Geodesy (12) 167-175
Mapping and research on the seafloor adjacent to the United States has been a national effort involving elements of the Department of the Interior, the Department of Commerce, certain academic institutions, and private industry, the latter primarily for the exploration for oil and gas. These activities were accelerated by...
FOLD, federally owned Landsat data, April 1988
Water Resources Division, U.S. Geological Survey
1988, Report
The FOLD data base lists all Landsat CCT's held by participating agencies. Duplicate CCT listings are maintained when more than one agency holds identical CCT's; this permits the user to select the most convenient site to obtain a copy. Copies of the listing are distributed by EDC to contributing agencies...
Landforms of the United States
John T. Hack
1988, Report
The United States contains a great variety of landforms which offer dramatic contrasts to a cross-country traveler. Mountains and desert areas, tropical jungles and areas of permanently frozen subsoil, and deep canyons and broad plains are examples of the Nation's varied surface. The presentday landforms the features that make up...
Habitat Suitability Index Models: Red king crab
Stephen C. Jewett, Christopher P. Onuf
1988, FWS/OBS 82/10.153
A review and synthesis of existing information were used to develop a Habitat Suitability Index (HSI) model for evaluating habitat of different life stages of red king crab (Paralithodes camtschatica). A model consolidates habitat use information into a framework appropriate for field application, and is scaled to produce an index...
A comparison of coupled freshwater-saltwater sharp-interface and convective-dispersive models of saltwater intrusion in a layered aquifer system
Mary C. Hill
1988, Developments in Water Science 211-216
Simulated results of the coupled freshwater-saltwater sharp interface and convective-dispersive numerical models are compared by using steady-state cross-sectional simulations. The results indicate that in some aquifers the calculated sharp interface is located further landward than would be expected....