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Life Sciences Commons

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Environmental Sciences

Utah State University

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Articles 481 - 508 of 508

Full-Text Articles in Life Sciences

Biology Of Nematodes In Desert Ecosystems, R. Mankau, S. A. Sher Jan 1972

Biology Of Nematodes In Desert Ecosystems, R. Mankau, S. A. Sher

Memorandum

No abstract provided.


Development Of Techniques For Estimating Biomass Of Desert Inhabiting Invertebrate Animals, G. L. Bender, J. Macmahon, S. Szerlip Jan 1972

Development Of Techniques For Estimating Biomass Of Desert Inhabiting Invertebrate Animals, G. L. Bender, J. Macmahon, S. Szerlip

Memorandum

No abstract provided.


Evaluation Of Trap Stimulus In Relation To Probability Of Rodent Capture, D. F. Balph, R. D. Anderson Jan 1972

Evaluation Of Trap Stimulus In Relation To Probability Of Rodent Capture, D. F. Balph, R. D. Anderson

Memorandum

No abstract provided.


Evaluation Of Techniques For Estimating Population Sizes Of Desert Rodents, C. D. Jorgensen, H. D. Smith, D. T. Scott Jan 1972

Evaluation Of Techniques For Estimating Population Sizes Of Desert Rodents, C. D. Jorgensen, H. D. Smith, D. T. Scott

Memorandum

No abstract provided.


Demography And Role Of Herbivorous Ants In A Desert Ecosystem As Functions Of Vegetation, Soil And Climate Variables, W. G. Whiteford, G. Ettershank Jan 1972

Demography And Role Of Herbivorous Ants In A Desert Ecosystem As Functions Of Vegetation, Soil And Climate Variables, W. G. Whiteford, G. Ettershank

Memorandum

No abstract provided.


Food Habits Of Northern Rodents And Jackrabbits, W. E. Saul Jan 1972

Food Habits Of Northern Rodents And Jackrabbits, W. E. Saul

Memorandum

No abstract provided.


Role Of Annual Grasses And Shrubs In Nutrient Cycling Of Great Basin Plant Communities, C. M. Mckell, L. G. Kline Jan 1972

Role Of Annual Grasses And Shrubs In Nutrient Cycling Of Great Basin Plant Communities, C. M. Mckell, L. G. Kline

Memorandum

No abstract provided.


Effects Of Early And Late Irrigation In The Net Productivity Of Oryzopsis Hymenoids In Eastern Idaho, Lorentz C. Pearson Jan 1972

Effects Of Early And Late Irrigation In The Net Productivity Of Oryzopsis Hymenoids In Eastern Idaho, Lorentz C. Pearson

Memorandum

No abstract provided.


Effects Of Environmental Factors On Rates Of Primary Production Of Two Desert Grass Species, Gary L. Cunningham, Fred R. Balding Jan 1972

Effects Of Environmental Factors On Rates Of Primary Production Of Two Desert Grass Species, Gary L. Cunningham, Fred R. Balding

Memorandum

No abstract provided.


Gaseous Exchange In Mohave Desert Shrubs, S. Bamberg, A. Wallace Jan 1972

Gaseous Exchange In Mohave Desert Shrubs, S. Bamberg, A. Wallace

Memorandum

No abstract provided.


Factors Affecting The Movement And Distribution Of Anions In Desert Soils, J. J. Jurinak, R. A. Griffin Jan 1972

Factors Affecting The Movement And Distribution Of Anions In Desert Soils, J. J. Jurinak, R. A. Griffin

Memorandum

No abstract provided.


Soil Factors Influencing Water Uptake By Plants Under Desert Conditions, H. K. Qashu, D. D. Evans, R. S. Hanks, M. L. Wheeler Jan 1972

Soil Factors Influencing Water Uptake By Plants Under Desert Conditions, H. K. Qashu, D. D. Evans, R. S. Hanks, M. L. Wheeler

Memorandum

No abstract provided.


Radiative Environment And The Surface Temperature On A Microscale In A Sagebrush Biome, Inge Dirmhirn Jan 1972

Radiative Environment And The Surface Temperature On A Microscale In A Sagebrush Biome, Inge Dirmhirn

Memorandum

No abstract provided.


Colony Characters Of Termites As Related To Population Density And Habitat, W. L. Nutting, M. I. Haverty, J. P. Lafage, R. V. Carr Jan 1972

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.


Role Of Algae In Crust Formation And Nitrogen Cycling In Desert Soils, Raymond I. Lynn, Roy E. Cameron Jan 1972

Role Of Algae In Crust Formation And Nitrogen Cycling In Desert Soils, Raymond I. Lynn, Roy E. Cameron

Memorandum

No abstract provided.


Proteolytic Activity Of Soil Microorganisms, Robert T. O'Brien Jan 1972

Proteolytic Activity Of Soil Microorganisms, Robert T. O'Brien

Memorandum

No abstract provided.


Gaseous Losses Of Nitrogen From The Soil Of Semi-Arid Regions, T. C. Tucker, R. L. Westerman Jan 1972

Gaseous Losses Of Nitrogen From The Soil Of Semi-Arid Regions, T. C. Tucker, R. L. Westerman

Memorandum

No abstract provided.


Life History And Life Process Studies Of The Water Scavenger Beetle, Hydrophilus Triangularie Say, M. D. Hallmark, C. R. Ward Jan 1972

Life History And Life Process Studies Of The Water Scavenger Beetle, Hydrophilus Triangularie Say, M. D. Hallmark, C. R. Ward

Memorandum

No abstract provided.


Assimilation, Metabolism And Growth Of Utah Chub, Gila Artaria, F. C. Cheng, R. L. Wallace, T. C. Bjornn, C. Macphee Jan 1972

Assimilation, Metabolism And Growth Of Utah Chub, Gila Artaria, F. C. Cheng, R. L. Wallace, T. C. Bjornn, C. Macphee

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 Jan 1972

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.


Seasonal Use Of Soil Moisture By Mature Velvet Mesquite, Dwight R. Cable Jan 1972

Seasonal Use Of Soil Moisture By Mature Velvet Mesquite, Dwight R. Cable

Memorandum

No abstract provided.


Aphids Of Curlew Valley, George F. Knowlton Jan 1971

Aphids Of Curlew Valley, George F. Knowlton

Memorandum

No abstract provided.


Correspondence On Home Range Determination For Small Mammals, F.B. Turner, R.D. Anderson, D.F. Balph Jan 1971

Correspondence On Home Range Determination For Small Mammals, F.B. Turner, R.D. Anderson, D.F. Balph

Memorandum

No abstract provided.


Plant Observations In Validation Studies, David W. Goodall Jan 1970

Plant Observations In Validation Studies, David W. Goodall

Memorandum

No abstract provided.


Attendance Report: Small Mammal Workshop, Clive D. Jorgensen Jan 1970

Attendance Report: Small Mammal Workshop, Clive D. Jorgensen

Memorandum

No abstract provided.


Dolichopodidae (Diptera) And Braconidae (Hymenoptera) Of Curlew Valley, G. F. Knowlton, W.J. Hanson, G.E. Bohart Jan 1969

Dolichopodidae (Diptera) And Braconidae (Hymenoptera) Of Curlew Valley, G. F. Knowlton, W.J. Hanson, G.E. Bohart

Memorandum

No abstract provided.


Range Liverstock Nutrition And Its Importance In The Intermountain Region, C. Wayne Cook Dec 1956

Range Liverstock Nutrition And Its Importance In The Intermountain Region, C. Wayne Cook

Faculty Honor Lectures

It has been estimated that about 728 million acres or about 76 percent of the entire land area in the West is used for grazing (Stoddard and Smith 1956). In Utah about 93 percent of the land area or 48,900,000 acres is considered range land (Reuss and Blanch 1951). Although some of this range land is forested, a large area of it can be used only for grazing. Therefore, range livestock production is an important segment of western agriculture.

Before 19'00 most of the animals in the West grazed on the range all year. However, irrigation crop production has expanded …


Range Land Of America And Some Research On Its Management, Laurence A. Stoddart Apr 1945

Range Land Of America And Some Research On Its Management, Laurence A. Stoddart

Faculty Honor Lectures

Although grazing of livestock has been a practice and a profession of man almost from his beginning only recently has range management reached anything approaching a pre~ cise science. Although ' trials and errors over the years brought to light much practical methodology for assuring high production from grazing land, still it remained for the plant physiologist and ecologist to find the whys and wherefores, and to advance new methods and new thoughts which promise to increase productivity still further and at the same time maintain the great range resource.

The peculiar land situation that marked America in her forma~ …