Zobrazeno 1 - 10 of 18 pro vyhledávání: '"Lynn R. Irby"'
1
A Simple Solar Radiation Index for Wildlife Habitat Studies
Autor: Peter J. P. Gogan, Lynn R. Irby, John M. Vore, Kim A. Keating
Publikováno v: Journal of Wildlife Management. 71:1344-1348
Solar radiation is a potentially important covariate in many wildlife habitat studies, but it is typically addressed only indirectly, using problematic surrogates like aspect or hillshade. We devised a simple solar radiation index (SRI) that combines
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::be00e9bba8fb45bb8086c540520db745
https://doi.org/10.2193/2006-359
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2
Evaluation of a forage allocation model for Theodore Roosevelt National Park
Autor: Jack E. Norland, Jerry A Westfall, Mark A Sullivan, Lynn R. Irby
Publikováno v: Journal of Environmental Management. 64:153-169
We developed a forage allocation model using a deterministic, linear optimization module in a commercially available spreadsheet package to help resource managers in Theodore Roosevelt National Park (TRNP), North Dakota determine optimum numbers of f
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5bc34c19316d92a768ca2f0c65f54dfd
https://doi.org/10.1006/jema.2001.0514
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3
Effects of highways on wildlife and fish with special reference to Montana a ProCite literature collection
Autor: Lynn R. Irby, Kevin M. Podruzny
Publikováno v: Effects of highways on wildlife and fish with special reference to Montana a ProCite literature collection /
The objectives of the report are: (1) locate published and unpublished data on transportation system impacts on wildlife and fisheries that are relevant to problems likely to be encountered in Montana; (2) identify sources of data that are collected
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::320de65204aa6a5ddd4a0d15d4c7747e
https://doi.org/10.5962/bhl.title.55529
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5
Deer habitat in western Costa Rica: Impacts of changing technology and land use
Autor: Lynn R., Irby, Vaughan, Christopher
Publikováno v: Revista Wildlife Society Bulletin vol.24 no.4 1996
Repositorio UNA
Universidad Nacional de Costa Rica
instacron:UNA
White-tailed deer (Odocoileus virginianus) numbers on the Pacific Coast of Costa Rica probably peaked in the nineteenth century as native dry tropical forest was converted to shrubland and secondary forest. Overhunting and conversion of forest to cro
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3056::885248b0936c00e6892c352bec0b30f7
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6
Sex- and age-specific lungworm infection in Rocky Mountain bighorn sheep during winter
Autor: Lynn R. Irby, John G. Cook, Edward B. Arnett
Publikováno v: Journal of wildlife diseases. 29(1)
Sex- and age-specific fecal lungworm (Protostrongylus spp.) larvae concentrations in Rocky Mountain bighorn sheep (Ovis canadensis canadensis) from the Cinnabar Winter Range in southwestern Montana were determined. All 228 fecal samples collected fro
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d08678e3da77f9555f47d70681f742d7
https://pubmed.ncbi.nlm.nih.gov/8445795
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7
Effects of Recreational Shooting on Prairie Dog Colonies
Autor: Lynn R. Irby, Timothy C. Vosburgh
Publikováno v: The Journal of Wildlife Management. 62:363
The Bureau of Land Management (BLM) and the U.S. Fish and Wildlife Service (USFWS) manage lands in central Montana under a multiple-use mandate. These agencies are expected to provide forage for livestock and recreation for the public while maintaini
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::388e5d96001571d45d9fc40d28c8b917
https://doi.org/10.2307/3802300
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8
Agricultural Land Use Patterns of Native Ungulates in Southeastern Montana
Autor: Lynn R. Irby, Jamie P. Selting
Publikováno v: Journal of Range Management. 50:338
Mule deer (Odocoileus hemionus), white-tailed deer (Odocolieus virginianus), and pronghorn antelope (Antilocapra americana) use of 6 agricultural land use categories in southeastern Montana were monitored to identify use patterns at specific sites. A
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1672e9e341bd3d35c9b93a6235d8ce1c
https://doi.org/10.2307/4003296
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9
Economic Damage to Forage Crops by Native Ungulates as Perceived by Farmers and Ranchers in Montana
Autor: John Saltiel, James B. Johnson, Walter E. Zidack, Lynn R. Irby
Publikováno v: Journal of Range Management. 49:375
The perceived economic damage to forage crops in Montana attributed to native ungulates during 1992 was estimated using a mail survey of 2,200 randomly selected farms and ranches. The 1,120 respondents indicated that wild ungulates were present on 97
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2ef85524a6017af1f259d2d447728394
https://doi.org/10.2307/4002601
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10
Distribution, Movements, Habitat Usage, Food Habitats, and Associated Behavior of Reintroduced Elk in Theodore Roosevelt National Park
Autor: Clayton B. Marlow, Harold D. Picton, Lynn R. Irby, Mark G. Sullivan
Publikováno v: The UW National Parks Service Research Station Annual Reports. 9:120-125
Objectives, 1. Determination of daily and seasonal movements of elk (Cervus elaphus). 2. Identification of vegetation and physiographic characteristics of habitats and/or habitat complexes used for feeding, cover, mating, and calving. 3. Determinatio
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::31b6f085698f40944e90f83899889509
https://doi.org/10.13001/uwnpsrc.1985.2511
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