Zobrazeno 1 - 4
of 4
pro vyhledávání: '"Richard B. Harris"'
Publikováno v:
The Journal of Wildlife Management. 56:201
Concerns have been raised that displacement from traditional calving and postcalving areas by petroleum exploration may cause increased calf mortality in the Porcupine Caribou (Rangifer tarandus) Herd. Consequently, we determined productivity and ear
Autor:
Richard B. Harris, Bart W. O'Gara
Publikováno v:
The Journal of Wildlife Management. 52:316
We evaluated the condition of mule deer (Odocoileus hemionus) and white-tailed deer (0. virginianus) killed by mountain lions (Felis concolor), coyotes (Canis latrans), and automobiles from December through March, 1969-81 in western Montana. Predator
Autor:
Richard B. Harris
Publikováno v:
The Journal of Wildlife Management. 50:165
Standard errors (SE) of trend lines arising from highly variable counts of animals are derived analytically given the variability of the counts, the number of years of trend monitoring, the number of replicate counts each year, and certain assumption
Autor:
Richard B. Harris, Lee H. Metzgar
Publikováno v:
The Journal of Wildlife Management. 51:802
Using simulation modeling, we assessed the potential for estimating harvest rates for generalized bear (Ursus spp.) populations from changes in kill sample sex ratios (Paloheimo and Fraser 1981, Fraser 1984). Models underlying these techniques requir