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pro vyhledávání: ''
Autor:
Nancy J. Thomas, Nancy K. Businga, Julia A. Langenberg, Jane E. Wiedenhoeft, Jennifer L. Stenglein, Dennis M. Heisey, David J. Mladenoff, Timothy R. Van Deelen, Adrian P. Wydeven
Publikováno v:
The Journal of Wildlife Management. 79:1173-1184
We developed models and provide computer code to make carcass recovery data more useful to wildlife managers. With these tools, wildlife managers can understand the spatial, temporal (e.g., across time periods, seasons), and demographic patterns in m
Autor:
Tyler A. Campbell, Justin W. Fischer, Trevor J. Hefley, David B. Long, Michael J. Lavelle, Kurt C. VerCauteren, Seth R. Swafford, Scott E. Hygnstrom, Gregory E. Phillips
Publikováno v:
The Journal of Wildlife Management. 75:1200-1208
Populations offeralswine (Sus scrofa)are estimated to include >2 million animalsinthestate of Texas, USA, alone. Feral swine damage to property, crops, and livestock exceeds $50 million annually. These figures do not include the increased risks and c
Publikováno v:
The Journal of Wildlife Management. 58:525
Population levels of emperor geese (Chen canagica) in Alaska in 1993 were about half that estimated in the 1960s. Survival information is necessary for managers to decide how to best enhance recovery of this species to former levels. We calculated se
Autor:
Edward C. Soutiere
Publikováno v:
The Journal of Wildlife Management. 53:114
I derived survival rates of hand-reared mallards (Anas platyrhynchos) released on 2 private farms in Maryland using stochastic models. Survival rates of summer-banded young for the first hunting season to the time of postseason banding in February av
Publikováno v:
The Journal of Wildlife Management. 51:132
Significant (P 0.05) among the 5 sample areas. Yet, BHC levels were significantly highest (P < 0.005) from the Culiacain sample. Dieldrin was most commonly found in samples of pintails and whistling-ducks also from the Culiacin area, all suggesting l
Autor:
William E. Ricker
Publikováno v:
The Journal of Wildlife Management. 11:10
afinis afnis, with special reference to the malaria mosquito, Anopheles quadrimaculatus. Am. Journ. of Hygiene, 35: 144, January, 1942. HOWELL, HENRY H. 1945. The white bass in TVA waters. Journ. Tenn. Acad. Science, 20, No. 1, January, 1945. KRast,
Autor:
Robert W. Murray
Publikováno v:
The Journal of Wildlife Management. 12:37
NEW SALEM: The area contains 2,260 acres, and its nearest boundary is one mile north of Ashland. The topography is undulating and erosion has been moderate. It is considered Class III land. On the whole relatively high standards of agriculture have b
Autor:
Carlton M. Herman, Everett E. Wehr
Publikováno v:
The Journal of Wildlife Management. 18:509
The roundworm parasite, genus Amidostomum, occurs as an adult under the horny lining of the avian gizzard. It was originally described from domestic geese in Germany by Zeder in 1800, and has since been reported as a cause of extensive losses among t
Autor:
Richard A. Ryan
Publikováno v:
The Journal of Wildlife Management. 36:759
\Veights of 1,281 diving ducks of five species livetrapped on Seneca Lake, Ontario County New Tork, during January, February, and March of 1960, 1961, 1962, 196S, and 1971 are reported. Body weights drop significantly from early January through late
Autor:
Charles Buck, C. J. D. Brown
Publikováno v:
The Journal of Wildlife Management. 3:134
opinion among fish-culturists as to the time when trout and grayling fry should receive their initial feeding. The most common practice is to offer food when the fry first "swim up," i.e., at the time when the fish have absorbed sufficient yolk to en