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Articles 50281 - 50310 of 52392

Full-Text Articles in Physical Sciences and Mathematics

Factors Contributing To Production And Distribution Of Chihuahuan Desert Annuals, P. D. Whitson Jan 1975

Factors Contributing To Production And Distribution Of Chihuahuan Desert Annuals, P. D. Whitson

Memorandum

No abstract provided.


Data Search For Aquatic Model, J. Perry Ii, G. W. Minshall Jan 1975

Data Search For Aquatic Model, J. Perry Ii, G. W. Minshall

Memorandum

No abstract provided.


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.


Selected Aspects Of The Limnology Of Zooplankton In Beaver And Degray Reservoirs, Arkansas, With Emphasis On The Development Of A Method For The Estimation Of Zooplankton Biomass, Eugene H. Schmitz, John T. Mccraw, Pamela J. Williams Jan 1975

Selected Aspects Of The Limnology Of Zooplankton In Beaver And Degray Reservoirs, Arkansas, With Emphasis On The Development Of A Method For The Estimation Of Zooplankton Biomass, Eugene H. Schmitz, John T. Mccraw, Pamela J. Williams

Technical Reports

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.


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.


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.


Growth Of Perennials In Response To Varying Moisture And Defoliation Regimes, J. A. Macmahon, B. E. Norton, B. M. Capen Jan 1975

Growth Of Perennials In Response To Varying Moisture And Defoliation Regimes, J. A. Macmahon, B. E. Norton, B. M. Capen

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

Progress reports

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

Progress reports

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

Progress reports

No abstract provided.


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

Nitrogen Retention In Cool Desert Soil, 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.


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

Progress reports

No abstract provided.


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

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

Progress reports

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

Progress reports

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

Progress reports

No abstract provided.


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

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

Progress reports

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

Progress reports

No abstract provided.


Growth Of Perennials In Response To Varying Moisture And Defoliation Regimes, J.A. Macmahon, B.E. Norton, B.M. Capen Jan 1975

Growth Of Perennials In Response To Varying Moisture And Defoliation Regimes, J.A. Macmahon, B.E. Norton, B.M. Capen

Progress reports

No abstract provided.


Abundance And Distribution Of Soil Mictroarthropods In Rock Valley, Nevada, E. B. Edney, J. F. Mcbrayer, P. J. Franco, A. W. Phillips Jan 1975

Abundance And Distribution Of Soil Mictroarthropods In Rock Valley, Nevada, E. B. Edney, J. F. Mcbrayer, P. J. Franco, A. W. Phillips

Progress reports

No abstract provided.


Effects Of Rodents On Germination Of Desert Annuals, O. J. Reichman Jan 1975

Effects Of Rodents On Germination Of Desert Annuals, O. J. Reichman

Progress reports

No abstract provided.


Decomposition And Mineralization In An Artemisia Tridentata Community In Northern Nevada, P. L. Comanor Jan 1975

Decomposition And Mineralization In An Artemisia Tridentata Community In Northern Nevada, P. L. Comanor

Progress reports

No abstract provided.


Nitrogen And Phosphorus Constraints On Primary Production In The Great Basin Desert, J.J. Jurianak, D.W. James, A. Van Luik Jan 1975

Nitrogen And Phosphorus Constraints On Primary Production In The Great Basin Desert, J.J. Jurianak, D.W. James, A. Van Luik

Progress reports

No abstract provided.


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

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

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.


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

Progress reports

No abstract provided.


Water Loss In Chihuahuan Desert Ants, W. G. Whiteford, C. A. Kay, A. M. Schumacher Jan 1975

Water Loss In Chihuahuan Desert Ants, W. G. Whiteford, C. A. Kay, A. M. Schumacher

Progress reports

No abstract provided.


Effects Of Rodents On Germination Of Desert Annuals, O. J. Reichman Jan 1975

Effects Of Rodents On Germination Of Desert Annuals, O. J. Reichman

Progress reports

No abstract provided.


Rodent Seed Foraging Strategies And Competition With Ants In The Sonoran Desert, J. H. Brown Jan 1975

Rodent Seed Foraging Strategies And Competition With Ants In The Sonoran Desert, J. H. Brown

Progress reports

No abstract provided.