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Environmental Sciences

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Articles 21751 - 21780 of 22657

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Physiological And Biochemical Studies Of Nitrogen Fixation In The Nodules Of Sagebrush (Artemisia Ludoviciana) And Other Desert Nitrogen-Fixing Systems, R. B. Farnsworth Jan 1975

Physiological And Biochemical Studies Of Nitrogen Fixation In The Nodules Of Sagebrush (Artemisia Ludoviciana) And Other Desert Nitrogen-Fixing Systems, R. B. Farnsworth

Memorandum

No abstract provided.


Nitrogen Transformations In Rock Valley And Adjacent Areas Of The Mohave Desert, R. B. Hunter, A. Wallace, E. M. Romney, P. A.T. Wieland Jan 1975

Nitrogen Transformations In Rock Valley And Adjacent Areas Of The Mohave Desert, R. B. Hunter, A. Wallace, E. M. Romney, P. A.T. Wieland

Memorandum

No abstract provided.


Water Infiltration Under Desert Condition, D. D. Evans, S. Nnaji, T. W. Sammis, G. Hansen Jan 1975

Water Infiltration Under Desert Condition, D. D. Evans, S. Nnaji, T. W. Sammis, G. Hansen

Memorandum

No abstract provided.


Plant Growth And Water Transfer Interactive Processes Under Desert Conditions, D. D. Evans, T. W. Sammis Jan 1975

Plant Growth And Water Transfer Interactive Processes Under Desert Conditions, D. D. Evans, T. W. Sammis

Memorandum

No abstract provided.


Effects Of Grazing On Desert Vegetation, B. E. Norton Jan 1975

Effects Of Grazing On Desert Vegetation, B. E. Norton

Memorandum

No abstract provided.


Tucson Basin Validation Site Report, J. L. Thames Jan 1975

Tucson Basin Validation Site Report, J. L. Thames

Memorandum

No abstract provided.


Rock Valley Validation Site Report, F. B. Turner Jan 1975

Rock Valley Validation Site Report, F. B. Turner

Memorandum

No abstract provided.


Curlew Valley Validation Site Report, R. S. Shinn, R. D. Anderson, M. Merritt, W. Osborne, J. A. Macmahon Jan 1975

Curlew Valley Validation Site Report, R. S. Shinn, R. D. Anderson, M. Merritt, W. Osborne, J. A. Macmahon

Memorandum

No abstract provided.


Nitrogen And Phosphorus Constraints On Primary Production In The Great Basin Desert, J. J. Jurinak, D. W. James, R. L. Evans Jan 1975

Nitrogen And Phosphorus Constraints On Primary Production In The Great Basin Desert, J. J. Jurinak, D. W. James, R. L. Evans

Memorandum

No abstract provided.


Plant Response To Insect Herbivory, B. E. Norton, L. B. Smith Jan 1975

Plant Response To Insect Herbivory, B. E. Norton, L. B. Smith

Memorandum

No abstract provided.


Ecology Of Cool Desert Annuals, L. G. Klikoff, D. C. Freeman, N. Negus Jan 1975

Ecology Of Cool Desert Annuals, L. G. Klikoff, D. C. Freeman, N. Negus

Memorandum

No abstract provided.


Phenology And Function Of Sonoran Desert Annuals In Relation To Environmental Changes, D. T. Patten Jan 1975

Phenology And Function Of Sonoran Desert Annuals In Relation To Environmental Changes, D. T. Patten

Memorandum

No abstract provided.


Effects Of Temperature And Moisture On Productivity Of Oryzopsis Hymenoides, L. C. Pearson Jan 1975

Effects Of Temperature And Moisture On Productivity Of Oryzopsis Hymenoides, L. C. Pearson

Memorandum

No abstract provided.


Interaction Between A Fossorial Rodent (The Pocket Gopher, Thomomys Bottae) And A Desert Plant Community, R. E. Dingman, L. Byers Jan 1975

Interaction Between A Fossorial Rodent (The Pocket Gopher, Thomomys Bottae) And A Desert Plant Community, R. E. Dingman, L. Byers

Memorandum

No abstract provided.


The Impact Of Seed Consumers In A Desert Ecosystem, W. G. Whitford Jan 1975

The Impact Of Seed Consumers In A Desert Ecosystem, W. G. Whitford

Memorandum

No abstract provided.


The Influence Of Digging Rodents On Primary Production In Rock Valley, L. Soholt, M. R. Griffin, L. Byers Jan 1975

The Influence Of Digging Rodents On Primary Production In Rock Valley, L. Soholt, M. R. Griffin, L. Byers

Memorandum

No abstract provided.


Effect Of Density On The Population Dynamics Of Perognathus Formosus And Its Relationships Within A Desert Ecosystem, R. M. Chew Jan 1975

Effect Of Density On The Population Dynamics Of Perognathus Formosus And Its Relationships Within A Desert Ecosystem, R. M. Chew

Memorandum

No abstract provided.


Factors Affecting Seed Reserves In The Soil Of A Desert Ecosystem, R. M. Chew, J. F. Nelson Jan 1975

Factors Affecting Seed Reserves In The Soil Of A Desert Ecosystem, R. M. Chew, J. F. Nelson

Memorandum

No abstract provided.


The Functional Relationships Among The Organisms Comprising Detritus-Based Foodchains At The Rock Valley Site, J. F. Mcbrayer, G. E. Mamolito, P. J. Franco Jan 1975

The Functional Relationships Among The Organisms Comprising Detritus-Based Foodchains At The Rock Valley Site, J. F. Mcbrayer, G. E. Mamolito, P. J. Franco

Memorandum

No abstract provided.


Studies On Wood Borers, Girdlers And Seed Predators Of Mesquite, W. G. Whitford, R. K. Johnson, D. J. Depree Jan 1975

Studies On Wood Borers, Girdlers And Seed Predators Of Mesquite, W. G. Whitford, R. K. Johnson, D. J. Depree

Memorandum

No abstract provided.


Demographic Studies Of Sagebrush Insects As Functions Of Various Environmental Factors, T. H. Hsiao, A. K. Temte Jan 1975

Demographic Studies Of Sagebrush Insects As Functions Of Various Environmental Factors, T. H. Hsiao, A. K. Temte

Memorandum

No abstract provided.


Classification And Quantification Of Invertebrate Activity And The Role Of Invertebrates In Nitrogen Processing In Plants, Litter And Soil In Curlew Valley, P. R. Sferra Jan 1975

Classification And Quantification Of Invertebrate Activity And The Role Of Invertebrates In Nitrogen Processing In Plants, Litter And Soil In Curlew Valley, P. R. Sferra

Memorandum

No abstract provided.


Nitrogen Retention In Cool Desert Soils, J. Skujins Jan 1975

Nitrogen Retention In Cool Desert Soils, J. Skujins

Memorandum

No abstract provided.


Nitrogen Dynamics In Stands Dominated By Some Major Cool Desert Shrubs Iv. Inhibition By Plant Litter And Limiting Factors Of Several Processes, J. Skujins Jan 1975

Nitrogen Dynamics In Stands Dominated By Some Major Cool Desert Shrubs Iv. Inhibition By Plant Litter And Limiting Factors Of Several Processes, J. Skujins

Memorandum

No abstract provided.


Prediction Of Plant-, Soil- And Air-Temperature On A Microscale In The Desert, L. R. Martinez, I. Dirmhirn Jan 1975

Prediction Of Plant-, Soil- And Air-Temperature On A Microscale In The Desert, L. R. Martinez, I. Dirmhirn

Memorandum

No abstract provided.


Effect Of Soil Water Potential On Soil Moisture Absorption, Transpiration Rate, Plant Water Potential And Growth For Artemisia Tridentata, G. S. Campbell, G. S. Harris Jan 1975

Effect Of Soil Water Potential On Soil Moisture Absorption, Transpiration Rate, Plant Water Potential And Growth For Artemisia Tridentata, G. S. Campbell, G. S. Harris

Memorandum

No abstract provided.


Evaluation Of Critical Soil Properties Needed To Predict Soil Water Flow Under Desert Conditions, W. A. Jury, L. H. Stolzy, J. Letey Jr., L. V. Weeks Jan 1975

Evaluation Of Critical Soil Properties Needed To Predict Soil Water Flow Under Desert Conditions, W. A. Jury, L. H. Stolzy, J. Letey Jr., L. V. Weeks

Memorandum

No abstract provided.


Influence Of Digging Rodents On Primary Production In Rock Valley, L.F. Soholt, W.K. Irwin Jan 1975

Influence Of Digging Rodents On Primary Production In Rock Valley, L.F. Soholt, W.K. Irwin

Progress reports

No abstract provided.


Nitrogen Dynamics In Stands Dominated By Some Major Cool Desert Shrubs.V. Studies On Denitrification And Nitrogen Fixation: Comparison Of Biological Processes In Western Deserts, J.J. Skujins Jan 1975

Nitrogen Dynamics In Stands Dominated By Some Major Cool Desert Shrubs.V. Studies On Denitrification And Nitrogen Fixation: Comparison Of Biological Processes In Western Deserts, J.J. Skujins

Progress reports

No abstract provided.


Plant Growth And Water Transfer Interactive Process Under Desert Conditions, D. D. Evans, T. W. Sammis, J. Ben Asher Jan 1975

Plant Growth And Water Transfer Interactive Process Under Desert Conditions, D. D. Evans, T. W. Sammis, J. Ben Asher

Progress reports

No abstract provided.