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Page 4865, results 121601 - 121625

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Genetic and developmental studies of albino chorus frogs
Paul Stephen Corn
1986, Journal of Heredity (77) 164-172
Albino (amelanic) adult chorus frogs (Pseudacris triseriata) occurred with frequencies of 7 percent in 1981 and 12 percent in 1982 in breeding aggregations at a pond in the foothills of the Colorado Front Range. Laboratory matings and examination of albino egg masses suggest that the absence of melanin is due...
Using climate data to predict grizzly bear litter size
Harold D. Picton, Richard R. Knight
1986, Bears: Their Biology and Management (6) 41-44
A 5-year double-bind test was conducted to test the predictive capability of a previously published (Picton 1978) regression (Y= 2.01 + 0.042x), which described the relationship between the littler size of grizzly bears (Ursus arctos horribilis) and an index of climate plus carrion availability (climate-carrion index). This regression showed...
Comparison of capture-recapture and visual count indices of prairie dog densities in black-footed ferret habitat
Kathleen A. Fagerstone, Dean E. Biggins
1986, Great Basin Naturalist Memoirs (8) 94-98
Black-footed ferrets (Mustela nigripes) are dependent on prairie dogs (Cynomys spp.) for food and on their burrows for shelter and rearing young. A stable prairie dog population may therefore be the most important factor determining the survival of ferrets. A rapid method of determining prairie dog density would be useful...
Long-term on-site and off-site effects of logging and erosion in the Redwood Creek basin, northern California
Danny K. Hagans, William E. Weaver, Mary Ann Madej
1986, Book, American Geophysical Union Meeting on Cumulative Effects
For nearly 15 years, the Redwood Creek Watershed in north coastal California has been the focus of both U.S. Geological Survey (USGS) and National Park Service (NPS) studies designed to document and quantify the nature of erosion, sedimentation and sediment transport processes active in the basin. While none of...