Species Composition and Trophic Structure of
A comparison of species composition and community structure of insects among habitats in the coastal and central prairie in Texas Species composition and trophic structure of the insect community were compared between coastal and central prairies ... [... more]
Northern Prairie Research Center |
Demographic Response of Black Bears at Cold Lake,
Uses improved methods of mark-recapture and survival analysis with a combination of new and previously published data to resolve issues concerning population regulation of black bears Previous reports described an increase in population density ... [... more]
Northern Prairie Research Center |
Jane E. Austin and Jerome R. Serie
Evaluates observations of Canvasback broods accompanying marked females and the movements of different age classes among ponds of different size and wetland class during five summers in southwestern Manitoba. Aythya valisineria, broods, ... [... more]
Northern Prairie Research Center |
Chris R. Rutledge
Lists and assesses the potential ecological impacts of the known exotic plant species occurring in Rocky Mountain National Park Department of Rangeland Ecosystem Science, Colorado State University Rutledge, Chris R., and Dr. Terry McLendon. 1996. ... [... more]
Northern Prairie Research Center |
John T. Lokemoen, Douglas H. Johnson, and David E. Sharp
Examines weights of several thousands of wild Mallard, Gadwall, and Blue-winged Teal in central North Dakota during 1976-81 to examine duckling growth patterns, adult weights, and the factors influencing them During 1976-81 we weighed several ... [... more]
Northern Prairie Research Center |
A Closer Look Series from North Dakota Outdoors
A series of short articles on various wildlife species and habitats encountered in North Dakota A Closer Look: The Cedar Waxwing A Closer Look: Giant Moths of North Dakota A Closer Look: The Great Ichneumon A Closer Look: The Lark Sparrow A ... [... more]
Northern Prairie Research Center |
Stephen H. Allen and Alan B. Sargeant
Dispersal patterns of red foxes in North Dakota based on recoveries of 363 of 854 foxes tagged as pups and relative to fox density Factors affecting red fox (Vulpes vulpes) dispersal patterns are poorly understood but warranted investigation ... [... more]
Northern Prairie Research Center |
Michael B. Whitt
Contrasts avian breeding species richness, density, diversity, and use of vegetation zones dominated by loosestrife with other wetland zones where loosestrife was absent or not dominant Purple loosestrife (Lythrum salicaria), a native of Eurasia, ... [... more]
Northern Prairie Research Center |
Caterpillars of Eastern Forests
Includes species descriptions, life cycle and morphology information, and tips on photographing, rearing, collecting, and preserving specimens of many caterpillars occurring in forests of the eastern United States For better and for worse, ... [... more]
Northern Prairie Research Center |
Direct Effect: Carbon Dioxide Fertilization
Summarizes the impact of greenhouse gases on biotic systems and describes potential effects on bird populations and their habitats Biotic response to the buildup of greenhouse gases in Earth's atmosphere is considerably more complex than an ... [... more]
Northern Prairie Research Center |
Mallard Recruitment in the
Information on breeding ecology and recruitment of radio-equipped mallards in central North Dakota during 1977-80 Cowardin, Lewis M., David S. Gilmer, and Charles W. Shaiffer. 1985. Mallard recruitment in the agricultural environment of North ... [... more]
Northern Prairie Research Center |
Long-term Declines in Nest Success of Prairie Ducks
Beauchamp, Wendy D., Rolf R. Koford, Thomas D. Nudds, Robert G. Clark, and Douglas H. Johnson. 1996. Long-term Declines in Nest Success of Prairie Ducks. Journal of Wildife Management 60(2):247-257. examines whether nest success of upland-nesting ... [... more]
Northern Prairie Research Center |
