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Page 5360, results 133976 - 134000

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Avian surveys of large geographical areas: A systematic approach
J. M. Scott, J.D. Jacobi, F. L. Ramsey
1981, Wildlife Society Bulletin (9) 190-200
A multidisciplinary team approach was used to simultaneously map the distribution of birds, selected food items, and major vegetation types in 34,000- to 140,000-ha tracts in native Hawaiian forests. By using a team approach, large savings in time can be realized over attempts to conduct similar surveys of smaller scope,...
Breeding habit of the toad Bufo coccifer in Costa Rica, with a description of the tadpole
R.W. McDiarmid, M.S. Foster
1981, Southwestern Naturalist (26) 353-363
The breeding habits of Bufo coccifer were studied in northwestern Costa Rica between 1971 and 1974. This species breeds during the rainy season, at least from May through August. Males chorus from areas of shallow water. Their calls resemble those of Mexican representatives of the species in pulse rate and...
Tolerance of adult mallards to subacute ingestion of crude petroleum oil
Barnett A. Rattner
1981, Toxicology Letters (8) 337-342
Adult male mallards were fed untreated mash or mash containing 1.5% Prudhoe Bay crude oil for 7 days ad lib. During the initial 24 h of exposure to crude petroleum oil, ducks consumed less mash (P less than 0.05) and lost approx. 3.5% of their initial body weight (P less...
Parental development of Eimerian coccidia in sandhill and whooping cranes
M.N. Novilla, J. W. Carpenter, T.R. Spraker, T.K. Jeffers
1981, Journal of Protozoology (28) 248-255
In contrast with isosporoid species of coccidia that have established extraintestinal phases of development, the eimeriids, except for a few species, generally have been considered inhabitants of the intestinal tract. Eimeria infection in sandhill cranes (Grus canadensis) and whooping cranes (G. americana) may result in disseminated visceral coccidiosis. Nodules were observed in...
Gas-liquid chromatographic and gas-liquid chromatographic-mass spectrometric determination of fenvalerate and permethrin residues in grasshoppers and duck tissue samples
W. L. Reichel, E. J. Kolbe, C. J. Stafford
1981, Journal of the Association of Official Analytical Chemists (64) 1196-1200
A procedure is described for determining fenvalerate and permethrin residues in grasshoppers and duck tissues. Samples are Soxhlet-extracted with hexane and cleaned up by gel permeation chromatography with an in-line alumina column. Samples are analyzed by gas-liquid chromatography with electron capture detection, and confirmed by gas-liquid chromatography-mass spectrometry. The average...