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Articles 6481 - 6510 of 7340

Full-Text Articles in Physical Sciences and Mathematics

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

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

Progress reports

No abstract provided.


Plant Food Preferences Of Two Sympatric Rodents And Their Potential Impact On A Great Basin Shrub Community, E.L. Becker Ii, D.F. Balph Jan 1975

Plant Food Preferences Of Two Sympatric Rodents And Their Potential Impact On A Great Basin Shrub Community, E.L. Becker Ii, D.F. Balph

Progress reports

No abstract provided.


Measurement Of Evapotranspiration With A Monolith Lysimeter, D. W. Young, D. D. Evans, T. W. Sammis, C. Constant Jan 1975

Measurement Of Evapotranspiration With A Monolith Lysimeter, D. W. Young, D. D. Evans, T. W. Sammis, C. Constant

Progress reports

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

Progress reports

No abstract provided.


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

Progress reports

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

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.


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.


Responses And Interactions In Desert Plants As Influenced By Irrigation And Nitrogen Applications, R. B. Hunter, E. M. Romney, J. W. Childress, J. E. Kinnear Jan 1975

Responses And Interactions In Desert Plants As Influenced By Irrigation And Nitrogen Applications, R. B. Hunter, E. M. Romney, J. W. Childress, J. E. Kinnear

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.


Programming Phase Of Water Response Ecosystem Model: V. Annual Plant Submodel, B. J. Gilbert Jan 1975

Programming Phase Of Water Response Ecosystem Model: V. Annual Plant Submodel, B. J. Gilbert

Progress reports

No abstract provided.


Responses And Interactions In Desert Plants As Influenced By Irrigation And Nitrogen Applications, R. B. Hunter, E. M. Romney, J. W. Childress, J. E. Kinnear Jan 1975

Responses And Interactions In Desert Plants As Influenced By Irrigation And Nitrogen Applications, R. B. Hunter, E. M. Romney, J. W. Childress, J. E. Kinnear

Progress reports

No abstract provided.


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

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

Progress reports

No abstract provided.


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

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.


Impact Of Seed Consumers In A Desert Ecosystem, W. C. Whiteford Jan 1975

Impact Of Seed Consumers In A Desert Ecosystem, W. C. Whiteford

Progress reports

No abstract provided.


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

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

Progress reports

No abstract provided.


Impact Of Seed Consumers Desert Biome, M. Bryant, D.J. Depree, S. Dick-Peddie, P. Hamilton, W.G. Whitford Jan 1975

Impact Of Seed Consumers Desert Biome, M. Bryant, D.J. Depree, S. Dick-Peddie, P. Hamilton, W.G. Whitford

Progress reports

No abstract provided.


Use Of The Normal Generating Distribution For Estimating Population Survival, H. C. Romesburg Jan 1975

Use Of The Normal Generating Distribution For Estimating Population Survival, H. C. Romesburg

Progress reports

No abstract provided.


Comparative Ecology Of The Harvester Ants Pogonomyrmex Barbatus (F. Smith) And Pogonomyrmex Rugosus (Emery), W. G. Whitford, P. Johnson, J. Ramirez Jan 1975

Comparative Ecology Of The Harvester Ants Pogonomyrmex Barbatus (F. Smith) And Pogonomyrmex Rugosus (Emery), W. G. Whitford, P. Johnson, J. Ramirez

Progress reports

No abstract provided.


Conceptualization And Early Development Of A Water Response Ecosystem Model, D. C. Wilkin, P. W. Lommen, J. V. Robinson, G. S. Innis Jan 1975

Conceptualization And Early Development Of A Water Response Ecosystem Model, D. C. Wilkin, P. W. Lommen, J. V. Robinson, G. S. Innis

Progress reports

No abstract provided.


Demography Of Termite Colonies As Related To Various Environmental Factors: Population Dynamics And Role In The Detritus Cycle, W. L. Nutting, M. I. Haverty, J. P. Lafage Jan 1975

Demography Of Termite Colonies As Related To Various Environmental Factors: Population Dynamics And Role In The Detritus Cycle, W. L. Nutting, M. I. Haverty, J. P. Lafage

Progress reports

No abstract provided.


Jornada Validation Site Report, W. G. Whitford Jan 1975

Jornada Validation Site Report, W. G. Whitford

Progress reports

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

Progress reports

No abstract provided.


Seasonal Use Of Soil Moisture By Larrea Tridentata And Ambrosia Del Toidea, D. R. Cable Jan 1975

Seasonal Use Of Soil Moisture By Larrea Tridentata And Ambrosia Del Toidea, D. R. Cable

Progress reports

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

Progress reports

No abstract provided.


Further Development Of A Stream Ecosystem Model, J. H. Wlosinski, G. W. Minshall Jan 1975

Further Development Of A Stream Ecosystem Model, J. H. Wlosinski, G. W. Minshall

Progress reports

No abstract provided.


Inclusion Of Rectangular And Triangular Geometries In The Space-Dependent Kinetics Code, Fx2, Ted Perry Jan 1975

Inclusion Of Rectangular And Triangular Geometries In The Space-Dependent Kinetics Code, Fx2, Ted Perry

Undergraduate Honors Capstone Projects

The computer code FX2 is used to model liquid-metal fast-breeder reactors now being developed by the U. S. Atomic Energy Commission. These reactors differ from thermal reactors in that they have no moderator material in their cores and thus operate at mean neutron energies of 100 keV or more as opposed to neutron energies of less than 1 keV for thermal reactors. Also these reactors have the advantage that as a consequence of the high neutron energies, these reactors can be used to "breed" their own fuel: enriched 238U placed in the core is changed into plutonium which can …


Colorado River Regional Assessment Study Part Three: Area-Specific Water Quality Analysis And Environmental Assessment, Utah Water Research Laboratory Jan 1975

Colorado River Regional Assessment Study Part Three: Area-Specific Water Quality Analysis And Environmental Assessment, Utah Water Research Laboratory

Reports

The Colorado River Bain contains the most diverse environment setting of any American river. High mountainous elevations (>14,000 feet) are ultimately succeeded by sea level plains and low valleys. Geological structures and formations include deep, intricately carved river canyons, high mountain slopes, large saline shale structures, and long verdant irrigated river valleys. Fir forests are succeeded by arid rangelands. The river produces the lowest outflow per unit area (60 acre feet per square mile) of any river basin in the United States. It contains the largest number of unique and endangered species in the United States. Finally, it is …


Colorado River Regional Assessment Study Part Four: Bibliography And Appendices, Utah Water Research Laboratory Jan 1975

Colorado River Regional Assessment Study Part Four: Bibliography And Appendices, Utah Water Research Laboratory

Reports

No abstract provided.