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Articles 511 - 540 of 8288
Full-Text Articles in Entire DC Network
Comparative Tolerance Of Four Stocks Of Cuttthroat Trout To Extremes In Temperature, Salinity, And Hypoxia, Eric J. Wagner, Ronney E. Arndt, Mark Brough
Comparative Tolerance Of Four Stocks Of Cuttthroat Trout To Extremes In Temperature, Salinity, And Hypoxia, Eric J. Wagner, Ronney E. Arndt, Mark Brough
Western North American Naturalist
Four stocks of cutthroat trout (Oncorhynchus clarki) were exposed to high temperature, high salinity, and low dissolved oxygen to determine inherent differences. The fish tested included 2 stocks of Bonneville cutthroat trout (O. c. utah), a lacustrine stock derived from Bear Lake and a fluvial-origin stock from southern Utah (Manning Meadow Reservoir). The other 2 stocks tested were from Electric Lake (largely Yellowstone cutthroat trout, O. c. bouvieri) and Jackson Hole, Wyoming (fine-spotted Snake River cutthroat trout, O. c. subsp.). Temperature tests were either critical thermal maximum (CTM) or 96-hour trials using juveniles acclimated between …
Index [And Table Of Contents] To Volume 61
Index [And Table Of Contents] To Volume 61
Western North American Naturalist
No abstract provided.
Physiological, Morphological, And Environmental Variation Among Geographically Isolated Cottonwood (Populus Deltoides) Populations In New Mexico, Diane L. Rowland, Lucille Beals, Amina A. Chaudhry, Ann S. Evans, Larry S. Grodeska
Physiological, Morphological, And Environmental Variation Among Geographically Isolated Cottonwood (Populus Deltoides) Populations In New Mexico, Diane L. Rowland, Lucille Beals, Amina A. Chaudhry, Ann S. Evans, Larry S. Grodeska
Western North American Naturalist
The ability of a plant population to respond and eventually adapt to environmental stress ultimately determines that population's survival. This becomes especially significant in environments where important plant resource levels have radically decreased. Southwestern riparian areas have numerous plant species that are experiencing radical changes in water availability due to construction of dams, and thus their ability to respond to such changes is critical. One such species likely to be greatly affected by these hydrological changes is Populus deltoides var. wislizenii (cottonwood) because it relies heavily on both groundwater and river surface volume as primary water sources. Both water sources …
Nanonemoura, A New Stonefly Genus From The Columbia River Gorge, Oregon (Plecoptera: Nemouridae), R. W. Baumann, G.R. Fiala
Nanonemoura, A New Stonefly Genus From The Columbia River Gorge, Oregon (Plecoptera: Nemouridae), R. W. Baumann, G.R. Fiala
Western North American Naturalist
Nanonemoura, a new genus of Nearctic Nemouridae, is described to accommodate Nemoura wahkeena Jewett. New descriptions and illustrations are provided for the adult male, adult female, and nymph collected at Wahkeena Spring, Columbia River George, Oregon. A diagnosis is furnished to distinguish the new genus from related genera of the subfamily Nemourinae.
Exotic Plants In Early And Late Seral Vegetation Of Fifteen Northern Rocky Mountain Environments (Hts), T. Weaver, D. Gusafson, J. Lichthardt
Exotic Plants In Early And Late Seral Vegetation Of Fifteen Northern Rocky Mountain Environments (Hts), T. Weaver, D. Gusafson, J. Lichthardt
Western North American Naturalist
We determined the capacity of exotic plants to invade major environmental types of the northern Rocky Mountains. We did this by observing their presence on disturbed and undisturbed sites in relatively well inoculated locations—corridors adjacent to highways—on transects across the mountains in Glacier National Park and Grand Teton National Park and on low-altitude sites between them. We draw 3 primary conclusions. First, of 29 exotics commonly found, the most dominant are intentionally introduced grasses (Agrostis, Bromus, Dactylis, and especially Phleum pratense and Poa pratensis) and legumes (Melilotus, Medicago, and Trifolium) rather than the forbs …
Experimental Manipulations Of Precipitation Seasonality: Effects On Oak (Quercus) Seedling Demography And Physiology, Jake F. Weltzin, Keirith A. Snyder, David G. Williams
Experimental Manipulations Of Precipitation Seasonality: Effects On Oak (Quercus) Seedling Demography And Physiology, Jake F. Weltzin, Keirith A. Snyder, David G. Williams
Western North American Naturalist
Predicted changes in regional precipitation patterns and soil moisture caused by anthropogenic trace gas emissions may affect the distribution and abundance of woody plants in arid and semiarid regions. To test the response of woody plants to potential changes in precipitation regimes, we manipulated summer and winter precipitation on plots that contained seedlings of Quercus emoryi Torr. (Emory oak), the dominant tree in oak savannas of the southwestern United States. Throughout the growing season, we monitored seedling survival and physiology (predawn leaf water potential, midday instantaneous gas exchange, and leaf carbon isotope discrimination). Seedling survival and physiological performance differed little …
A Habitat Suitability Model For Pygmy Rabbits (Brachylagus Idahoensis) In Southeastern Idaho, Kate I. Gabler, Laura T. Heady, John W. Laundré
A Habitat Suitability Model For Pygmy Rabbits (Brachylagus Idahoensis) In Southeastern Idaho, Kate I. Gabler, Laura T. Heady, John W. Laundré
Western North American Naturalist
A habitat suitability model was developed for pygmy rabbit (Brachylagus idahoensis) habitat on the Idaho National Engineering and Environmental Laboratory (INEEL) in southeastern Idaho. Suitable pygmy rabbit areas were characterized by greater cover and density of total shrubs and big sagebrush (Artemisia tridentata), as well as greater forb cover. Soil texture also played an important role in distinguishing suitable pygmy rabbit areas from nonuse sites. Principal components analysis (PCA) of several vegetation variables and soil texture was used to develop a habitat suitability model for pygmy rabbit habitat. This model, which can be used to successfully …
Sexual Dimorphism And Body Temperatures Of Sceloporus Siniferus From Guerrero, México, Julio A. Lemos-Espinal, Geoffrey R. Smith, Royce E. Ballinger
Sexual Dimorphism And Body Temperatures Of Sceloporus Siniferus From Guerrero, México, Julio A. Lemos-Espinal, Geoffrey R. Smith, Royce E. Ballinger
Western North American Naturalist
No abstract provided.
Notes On The Winter Diet Of Short-Eared Owls In Northern California, Raymond J. Bogiatto, John A. Hindley, Rebecca L. Surles
Notes On The Winter Diet Of Short-Eared Owls In Northern California, Raymond J. Bogiatto, John A. Hindley, Rebecca L. Surles
Western North American Naturalist
No abstract provided.
A Rule-Based Model For Mapping Potential Exotic Plant Distribution, Don G. Despain, T. Weaver, Richard J. Aspinall
A Rule-Based Model For Mapping Potential Exotic Plant Distribution, Don G. Despain, T. Weaver, Richard J. Aspinall
Western North American Naturalist
Wildland managers need a method to predict which portions of the lands under their stewardship are susceptible to invasion by exotic plants. We combined a database listing exotic plant species known to occur in major environmental types (habitat types) throughout the northern Rocky Mountains with a digital vegetation map of environmental types for a major national park in the region (Yellowstone National Park) to produce maps of areas potentially threatened by major exotic species. Such maps should be helpful to managers concerned with monitoring and controlling exotic plants.
Biology And Conservation Of The Coral Pink Sand Dunes Tiger Beetle, Cicindela Limbata Albissima Rumpp, C. Barry Kinsley, James M. Hill
Biology And Conservation Of The Coral Pink Sand Dunes Tiger Beetle, Cicindela Limbata Albissima Rumpp, C. Barry Kinsley, James M. Hill
Western North American Naturalist
This study investigated the distribution, abundance, and biology of Cicindela limbata albissima Rumpp, an endemic tiger beetle known only from the Coral Pink Sand Dunes (CPSD) in southwestern Utah. A recently implemented conservation agreement between BLM, USFWS, Utah State Parks, and Kane County protects most of the known habitat of this beetle from off-highway vehicle (OHV) use. A search of collection records and field surveys of 19 Great Basin sand dune sites indicated that this species occurs only at CPSD. Yearly index counts of adults (1992–1998) during peak season in May ranged from 331 in 1997 to 895 in 1993, …
Mortality Of The Endangered Wright Fishhook Cactus (Sclerocatus Wrightiae) By An Opuntia-Borer Beetle (Cerambycidae: Moneilema Semipunctatum), Ronald J. Kass
Mortality Of The Endangered Wright Fishhook Cactus (Sclerocatus Wrightiae) By An Opuntia-Borer Beetle (Cerambycidae: Moneilema Semipunctatum), Ronald J. Kass
Western North American Naturalist
No abstract provided.
11/14/2001 - Eiu4 To Help Freshman.Pdf, University Marketing And Communications
11/14/2001 - Eiu4 To Help Freshman.Pdf, University Marketing And Communications
2001
No abstract provided.
The Good 5 Cent Cigar (11/14/2001), University Of Rhode Island
The Good 5 Cent Cigar (11/14/2001), University Of Rhode Island
The Good 5 Cent Cigar (Student Newspaper Archives)
This is a digitized, downloadable version of the University of Rhode Island school newspaper.
Mustang Daily, November 14, 2001
Mustang Daily, November 14, 2001
Cal Poly Student Newspaper
Student newspaper of California Polytechnic State University, San Luis Obispo, CA.
The Winonan, Winona State University
Daily Eastern News: November 14, 2001, Eastern Illinois University
Daily Eastern News: November 14, 2001, Eastern Illinois University
November
No abstract provided.
University Of Montana Events Thursday, Nov 15, Through Tuesday, Nov. 27, 2001, University Of Montana--Missoula. Office Of University Relations
University Of Montana Events Thursday, Nov 15, Through Tuesday, Nov. 27, 2001, University Of Montana--Missoula. Office Of University Relations
University of Montana News Releases, 1928, 1956-present
No abstract provided.
The Lumberjack, November 14, 2001
The Lumberjack, November 14, 2001
Cal Poly Humboldt's Student Newspaper
The student newspaper of Humboldt State University.
Crow's Nest, November 14, 2001, Crow's Nest Staff
Crow's Nest, November 14, 2001, Crow's Nest Staff
Crow's Nest
The November 14, 2001, issue of the Crow's Nest.
The Guardian, November 14, 2001, Wright State University Student Body
The Guardian, November 14, 2001, Wright State University Student Body
The Guardian Student Newspaper
Twenty page issue of The Guardian, the official student-run newspaper for Wright State University. The Guardian has been published regularly since March of 1965.
November 14, 2001, The Daily Mississippian
November 14, 2001, The Daily Mississippian
Daily Mississippian (all digitized issues)
No abstract provided.
The Impact Of Publicly Funded Research On The Structure Of U.S. Agriculture, Jeffrey S. Royer
The Impact Of Publicly Funded Research On The Structure Of U.S. Agriculture, Jeffrey S. Royer
Cornhusker Economics
In recent years, there has been a substantial increase in the concentration of agricultural production in the United States as the number of farming and ranching operations has declined and the average size of those operations has grown. This increased concentration has been accompanied by increased coordination of production and marketing activities through contracting, consolidation and vertical integration. Although independent family farms and ranches have been responsible for most of the nation’s agricultural production historically, small and medium-sized operations are finding it difficult to compete in today’s increasingly industrialized food and agricultural sector.
University Of New Mexico Board Of Regents Minutes For November 13, 2001, University Of New Mexico Board Of Regents
University Of New Mexico Board Of Regents Minutes For November 13, 2001, University Of New Mexico Board Of Regents
Board of Regents Meeting Minutes
Minutes from the November 13, 2001 Board of Regents Meeting
November 13, 2001, Council On Teacher Education
Spartan Daily, November 13, 2001, San Jose State University, School Of Journalism And Mass Communications
Spartan Daily, November 13, 2001, San Jose State University, School Of Journalism And Mass Communications
Spartan Daily (School of Journalism and Mass Communications)
Volume 117, Issue 53
The Murray Ledger And Times, November 13, 2001, The Murray Ledger And Times
The Murray Ledger And Times, November 13, 2001, The Murray Ledger And Times
The Murray Ledger & Times
No abstract provided.
Protection Against Ischemia And Reperfusion Injury, Peter R. Oeltgen, Paul D. Bishop, Mark S. Kindy, Juan A. Sanchez
Protection Against Ischemia And Reperfusion Injury, Peter R. Oeltgen, Paul D. Bishop, Mark S. Kindy, Juan A. Sanchez
Molecular and Cellular Biochemistry Faculty Patents
A compound and method for using the compound to reduce injury associated with ischemia and reperfusion of mammalian organs such as the heart. The compound may be administered as part of a preconditioning strategy which reduces the extent of injury and improves organ function following cessation and restoration of blood flow. The compound may be used in preparation for planned ischemia or in a prophylactic manner in anticipation of further ischemic events.
Key To Asthma Attacks May Lie In Mouse Genes, Promising Research Published By Academy Of Sciences, University Of Dayton
Key To Asthma Attacks May Lie In Mouse Genes, Promising Research Published By Academy Of Sciences, University Of Dayton
News Releases
News release announces that Carissa M. Krane works with mice to mimic the traits of clinical patients with asthma.