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Articles 50611 - 50640 of 57395
Full-Text Articles in Entire DC Network
Colony Characters Of Termites As Related To Population Density And Habitat, W. L. Nutting, M. I. Haverty, J. P. Lafage, R. V. Carr
Colony Characters Of Termites As Related To Population Density And Habitat, W. L. Nutting, M. I. Haverty, J. P. Lafage, R. V. Carr
Memorandum
No abstract provided.
Demography, Foraging Activity Of Leaf-Cutter Ants, Acromyrmex Versicolor, In Relation To Colony Size And Location, Season, Vegetation And Temperature, F. G. Werner, S. L. Murray
Demography, Foraging Activity Of Leaf-Cutter Ants, Acromyrmex Versicolor, In Relation To Colony Size And Location, Season, Vegetation And Temperature, F. G. Werner, S. L. Murray
Memorandum
No abstract provided.
Proteolytic Activity Of Soil Microorganisms, Robert T. O'Brien
Proteolytic Activity Of Soil Microorganisms, Robert T. O'Brien
Memorandum
No abstract provided.
Aquatic Macroinvertebrates Of The Playa, G. Richardson, C. R. Ward, E. W. Huddleston
Aquatic Macroinvertebrates Of The Playa, G. Richardson, C. R. Ward, E. W. Huddleston
Memorandum
No abstract provided.
Statistical Analysis Of Desert Rock Distributions, Eugene Richard Heyman
Statistical Analysis Of Desert Rock Distributions, Eugene Richard Heyman
Memorandum
No abstract provided.
Data Summary For Aquatic Macroinvertebrates, L. G. Richardson, M. D. Merritt, C. R. Ward
Data Summary For Aquatic Macroinvertebrates, L. G. Richardson, M. D. Merritt, C. R. Ward
Memorandum
No abstract provided.
Transfer Of 32p From The Gastrointestinal Tract To Flesh As An Index Of Digestive Rate In The Desert Pupfish (Cyprindon Nevadensis), James Deacon
Memorandum
No abstract provided.
Dynamics And Productivity Of Aquatic Invertebrates In A Desert Environment, A. R. Gaufin, J. Stanford, E. Clubb, E. Nisonger
Dynamics And Productivity Of Aquatic Invertebrates In A Desert Environment, A. R. Gaufin, J. Stanford, E. Clubb, E. Nisonger
Memorandum
No abstract provided.
Reports Of 1971 Progress Volume 1 Central Studies, U.S. International Biological Program
Reports Of 1971 Progress Volume 1 Central Studies, U.S. International Biological Program
Progress reports
No abstract provided.
Reports Of 1971 Progress Volume 5 Aquatic Studies, U.S. International Biological Program
Reports Of 1971 Progress Volume 5 Aquatic Studies, U.S. International Biological Program
Progress reports
No abstract provided.
Assimilation, Metabolism And Growth Of Utah Chub, Gila Atraria, F.C. Cheng, R.L. Wallace, T.C. Bjornn, C. Macphee
Assimilation, Metabolism And Growth Of Utah Chub, Gila Atraria, F.C. Cheng, R.L. Wallace, T.C. Bjornn, C. Macphee
Progress reports
No abstract provided.
Environment And Communiy Organization In Grasslands Of Canyonlands National Park, Edgar F. Kleiner, K. T. Harper
Environment And Communiy Organization In Grasslands Of Canyonlands National Park, Edgar F. Kleiner, K. T. Harper
Canyonlands Research Bibliography
Sixty uniformly distributed stands in adjacent areas, 40 in Virginia Park (virgin) and 20 in Chesler Park (grazed), were analyzed. Cryptogamic and vascular species were recorded; cover was analyzed by the point sampling method, and frequency by means of 25 quadrats (each 0.125 m^2) per stand. The prevalent species (26 in Virginia, 23 in Chesler) were selected on the basis of a constancy-times-frequency index. Interspecific association patterns were determined by means of simple procedures based on quadrat frequency values for each species in the individual stands. Major environmental variables were recorded at each stand, and soil samples from four depths …
Utah State University Commencement, 1972 – Main Campus, Utah State University
Utah State University Commencement, 1972 – Main Campus, Utah State University
Commencement Programs
Seventy-Ninth Annual Commencement of Utah State University
Coyotes And Sheep, Frederic H. Wagner
Coyotes And Sheep, Frederic H. Wagner
Faculty Honor Lectures
To many persons not in the profession, the term wildlife management largely connotes the husbandry of fish, birds, or mammals for hunting and fishing purposes. Even if we grant an implied breadth in his use of the term "recreation," Leopold's (1933:3) definition of game management in his classic book by the same name tends to foster this impression: " ... the art of making land produce sustained annual crops of wild game for recreational
Natural Succession In North-Central Minnesota, Henry L. Hansen, Vilis Kurmis
Natural Succession In North-Central Minnesota, Henry L. Hansen, Vilis Kurmis
Aspen Bibliography
No abstract provided.
Cattle Use Of A Sprayed Aspen Parkland Range, J.E. Hilton, A.W. Bailey
Cattle Use Of A Sprayed Aspen Parkland Range, J.E. Hilton, A.W. Bailey
Aspen Bibliography
Aspen parkland range in central Alberta that had been treated with a herbicide two years prior to the study had greater grazing use of the sprayed forest vegetation than did the untreated forest.
Simulation Of The Daily Growth Of An Aspen Population From The Measured Co2-Exchange Rates Of The Components, G.C. Bate, D.T. Canvin
Simulation Of The Daily Growth Of An Aspen Population From The Measured Co2-Exchange Rates Of The Components, G.C. Bate, D.T. Canvin
Aspen Bibliography
The daily total CO2-exchange of an aspen population (32 trees) was measured using a growth chamber gas analysis system which had been shown to measure accurately the actual carbon gain of the population. The CO2-exchange rates of the components (e.g. roots, stems, leaves) were measured in the light and dark and these rates were used to calculate the total CO2-exchange of the population using a computer model. The carbon gain during the photoperiod was underestimated by 25% in the simulation while the carbon loss during the nyctoperiod was overestimated 100% by the simulation.
Phenetic Affinities In Small Populations Of New York Aspens, C.M. Harrison, F.A. Valentine
Phenetic Affinities In Small Populations Of New York Aspens, C.M. Harrison, F.A. Valentine
Aspen Bibliography
According to Anderson (1962) much of the variation in wild populations of plants is attributable to occasional introgressive hybridization.
The Basic Habitat Resource For Ruffed Grouse, Gordon W. Gullion, Franklin J. Svovoda
The Basic Habitat Resource For Ruffed Grouse, Gordon W. Gullion, Franklin J. Svovoda
Aspen Bibliography
No abstract provided.
Diffusion-Controlled Reaction Kinetics, David Peak, J W. Corbett
Diffusion-Controlled Reaction Kinetics, David Peak, J W. Corbett
All Physics Faculty Publications
The theory of diffusion-controlled correlated reaction kinetics is developed for the radiation boundary condition (RBC) at the reaction surface. Limited only by the assumptions of purely radial spatial dependence, of a spherical reaction surface, and of continuum diffusion, these results comprise a complete solution for these kinetics. The limiting solutions are obtained for the case of the Smoluchowski boundary condition (SBC) at the reaction surface; numerical solutions are presented, as are the analytic forms of certain limiting cases. The initial recovery for the RBC is linear in time, whereas for the SBC it is well known to be proportional to …
The 6300Å Predawn Enhancement: Excitation By Protoelectrons From The Magnetic Conjugate Point, Vincent B. Wickwar
The 6300Å Predawn Enhancement: Excitation By Protoelectrons From The Magnetic Conjugate Point, Vincent B. Wickwar
All Physics Faculty Publications
Incoherent scatter and tilting filter photometer data from Arecibo Observatory were combined to search for a contribution to the 6300 Å predawn enhancement due to impact excitation by photoelectrons from the magnetic conjugate point. Prior to about 105° conjugate solar zenith angle, calculations of the 6300 Å intensities due to dissociative recombination gave good agreement with the observed intensities. Then, with the arrival of conjugate photoelectrons (confirmed by plasma line enhancements), the observed intensities rose above the calculated, the difference increasing until a plateau was achieved at a conjugate solar zenith angle of about 95°. The difference or residual intensity …
Psychrometry In Water Relations Research, Utah Agircultural Experiment Station
Psychrometry In Water Relations Research, Utah Agircultural Experiment Station
UAES Publications
No abstract provided.
A Proposal To Study Soil Nutrient Losses Resulting From Clear Cutting The Aspen Forest Type, Zanner
A Proposal To Study Soil Nutrient Losses Resulting From Clear Cutting The Aspen Forest Type, Zanner
Aspen Bibliography
No abstract provided.
Computer Simulation Of Douglas-Fir Tree And Stand Growth, James D. Arney
Computer Simulation Of Douglas-Fir Tree And Stand Growth, James D. Arney
Aspen Bibliography
No abstract provided.
An Allometric Model For Bole Biomass Estimates Of Spruce And Aspen In Southwestern Colorado, Thomas D. Landis
An Allometric Model For Bole Biomass Estimates Of Spruce And Aspen In Southwestern Colorado, Thomas D. Landis
Aspen Bibliography
No abstract provided.
Aspen Minnesota's No. 1 Tree, George Rossman, Bob Rossman, Allen Rossman
Aspen Minnesota's No. 1 Tree, George Rossman, Bob Rossman, Allen Rossman
Aspen Bibliography
For thousands of years after the last glaciers disappeared from northern Minnesota, the forces of nature worked to develop a magnificent forest of predominantly white and red pine. Stands of big pines covered more than 5 million acres.
Deer And Aspen, American Box Board Co.
[I] Ceratocystis Canker Of Aspen. [Ii] Insect Transmission Of Ceratocystis Species Associated With Aspen Cankers, Thomas E. Hinds
[I] Ceratocystis Canker Of Aspen. [Ii] Insect Transmission Of Ceratocystis Species Associated With Aspen Cankers, Thomas E. Hinds
Aspen Bibliography
No abstract provided.
Insect Transmission Of Ceratocystis Species Associated With Aspen Cankers, Thomas E. Hinds
Insect Transmission Of Ceratocystis Species Associated With Aspen Cankers, Thomas E. Hinds
Aspen Bibliography
No abstract provided.
Youth, Maturity, And Old Age, James S. Fralish
Youth, Maturity, And Old Age, James S. Fralish
Aspen Bibliography
No abstract provided.