Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Phillip J. Zwank"'
Publikováno v:
Journal of Wildlife Management. 71:811-815
Some diurnal raptors are frequently observed at prairie dog (Cynomys sp.) colonies. As a result, some military installations have conducted prairie dog control activities to reduce the bird–aircraft strike hazard (BASH) potential of low-flying airc
Publikováno v:
Wildlife Society Bulletin. 32:1316-1320
Publikováno v:
Journal of Freshwater Ecology. 16:403-410
We examined the digestive tract contents of 1,437 Arkansas River shiners (Notropis girardi) and 1,943 peppered chubs (Macrhybopsis tetranema) collected from the Canadian River in New Mexico and Texas from September 1996 to August 1998. Both the Arkan
Publikováno v:
The Journal of Wildlife Management. 58:131
An estimated 80% of redheads (Aythya americana) winter on the Laguna Madre of south Texas and Mexico and feed almost exclusively on shoalgrass (Halodule wrightii) rhizomes. Shoalgrass abundance has decreased by 60% over the past 30 years, and because
Publikováno v:
The Southwestern Naturalist. 37:65
Autor:
Phillip J. Zwank, Charlotte D. Wilson
Publikováno v:
Conservation Biology. 1:165-168
Valentine et al. (1976) proposed release of captive, parent-reared Mississippi sandhill cranes (Grus canadensis pulla) to augment the endangered wild population. Field testing of the proposal was first attempted with a nonendangered subspecies, the F
Publikováno v:
Conservation Biology. 2:386-390
The Mississippi sandhill crane (Grus canadensispulla) is an endangered resident subspecies of southern Mississippi. The native population, never estimated to be more than 60 birds, has slowly declined during the past 40 years (Walkinshaw 1949; Valent
Publikováno v:
The Journal of Wildlife Management. 48:388
Performance of hunters shooting 11/4 oz of No. 6 lead shot was compared to those shooting 11/8 oz of No. 4 steel shot in 23/4-in. 12-gauge size for hunting ducks at Lacassine National Wildlife Refuge, Louisiana, during the 1980 and 1981 waterfowl sea
Publikováno v:
The Journal of Wildlife Management. 53:110
We established indices of mottled duck (Anas fulvigula) diurnal habitat use and densities in the agricultural areas of southwestern Louisiana during 9 aerial surveys, May 1984-April 1985. We identified 15 habitats on the area. Habitat composition of
Publikováno v:
The Journal of Wildlife Management. 52:253
We determined habitat use by adult eastern wild turkey females (Meleagris gallopavo silvestris) in the Mississippi River batture before and after selective thinning of riverfront hardwoods. Thinning reduced basal area from 20.3 to 13.7 m2/ha and decr