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Environmental Sciences

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Articles 9001 - 9030 of 9279

Full-Text Articles in Earth Sciences

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.


Demographic Studies Of Sagebrush Insects As Functions Of Various Environmental Factors, Ting H. Hsiao Jan 1972

Demographic Studies Of Sagebrush Insects As Functions Of Various Environmental Factors, Ting H. Hsiao

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.


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 Jan 1972

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 Jan 1972

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 Jan 1972

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 Jan 1972

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 Jan 1972

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 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.


Dynamics And Productivity Of Aquatic Invertebrates In A Desert Environment, A. R. Gaufin, J. Stanford, E. Clubb, E. Nisonger Jan 1972

Dynamics And Productivity Of Aquatic Invertebrates In A Desert Environment, A. R. Gaufin, J. Stanford, E. Clubb, E. Nisonger

Memorandum

No abstract provided.


An Argument For The Open Ocean Siting Of Coastal Thermal Electric Plants, Clarence M. Tarzwell Jan 1972

An Argument For The Open Ocean Siting Of Coastal Thermal Electric Plants, Clarence M. Tarzwell

United States Environmental Protection Agency: Publications

A great deal of research is yet to be done before we will definitely know all the effects of thermal electric generating plants. It is evident, however, that the chlorination of the intake water is definitely lethal to a high percentage of planktonic and other organisms; that thermal shock is detrimental to some of the more sensitive forms; that the continued exposure to high temperatures after thermal shock is lethal to many forms, especially the zooplankton; that the screening and turbulence in such plants is lethal to larval fishes and several invertebrates, and that immense amounts of waters are put …


Dust Storms Cause Yield Losses, Department Of Agriculture, Western Australia, C. H. Trotman Jan 1972

Dust Storms Cause Yield Losses, Department Of Agriculture, Western Australia, C. H. Trotman

Journal of the Department of Agriculture, Western Australia, Series 4

Farmers and research workers are well aware that heavy grazing during summer loosens and exposes soil to the action of strong winds and summer thunder storms. They also realise that dust storms mean soil loss from paddocks, but until now there has been little idea of the effect of these storms on crop yields in subsequent seasons.


Soil And Plant Analysis For Mineral Deficiencies, M D. Carroll Jan 1972

Soil And Plant Analysis For Mineral Deficiencies, M D. Carroll

Journal of the Department of Agriculture, Western Australia, Series 4

Soil and plant analysis (testing) has its supporters and its critics. Some of the differences are resolved if the distinction is made between the concept and the practice. Most people would agree with the concept of soil and plant analysis but the practice, or service offered, in any agricultural situation can be subject to valid criticism.

This article defines some of the principles involved and illustrates some of the problems, to provide a better understanding of the usefulness and the limitations of soil and plant analysis as a diagnostic aid in plant and animal nutrition.


Bulletin No 3861 - Kimberley Research Station - Progress Report 1972, J. R. Mcalpine, R. H. Gunn, P. Jakobsen, R. Wetselaar, J. J. Basinski, N. J. Thomson, A. G. L. Wilson, D. H. Mackenzie, A. J. Millington, D. F. Beech, P. C. Owen, B. G. Williams, C. G. Blunt, A. Mcr Holm Jan 1972

Bulletin No 3861 - Kimberley Research Station - Progress Report 1972, J. R. Mcalpine, R. H. Gunn, P. Jakobsen, R. Wetselaar, J. J. Basinski, N. J. Thomson, A. G. L. Wilson, D. H. Mackenzie, A. J. Millington, D. F. Beech, P. C. Owen, B. G. Williams, C. G. Blunt, A. Mcr Holm

Bulletins - 3000 - 3999

The systematic investigations of the potential of the Ord area for irrigated farming began during the Second World War when the possibilities of damming the river were first examined, initial soil survey was carried out, and agricultural experiments started. The Kimberley Research Station was established on its present site in 1945. A year later the State and Commonwealth Governments agreed to finance and operate the Station jointly, with CSIRO and the Western Australian Department of Agriculture being responsible for research.

The construction of the main dam designed to store 5,675 million m" ( 4.6 million acre feet) was completed in …


Plant Cover For Bare And Salt Affected Land, Department Of Agriculture, Western Australia Jan 1972

Plant Cover For Bare And Salt Affected Land, Department Of Agriculture, Western Australia

Journal of the Department of Agriculture, Western Australia, Series 4

The contributions made by this State to land reclamation were recognised at an international level last year.

Mr. C. V. Malcolm, a research officer with the Soils Division, presented a paper entitled "Establishing Shrubs in Saline Environments" at a symposium on Useful Wildland Shrubs, Their Biology and Utilisation, at Utah State University, Logan, Utah.

The conclusion to Mr. Malcolm's review, set out below, summarises much of what is known about shrub establishment in saline areas.


A Report On The Condition Of The Gascoyne Catchment, D G. Wilcox, E A. Mckinnon Jan 1972

A Report On The Condition Of The Gascoyne Catchment, D G. Wilcox, E A. Mckinnon

Resource management technical reports

Severe flooding in Carnarvon followed heavy rains on the Gascoyne Catchment in February 1961. The flooding and erosion were extensive enough to suggest that run-off from the catchment was excessive. Lightfoot (1961)* reported that excess run-off was due to degradation of the catchment area. This report will describe the catchment area in terms of the degradation of its rangeland and its susceptibility to erosion.


Geophysical Institute Annual Report 1971-72, Geophysical Institute Jan 1972

Geophysical Institute Annual Report 1971-72, Geophysical Institute

GI Reports

The 1971-72 Geophysical Institute Annual Report presents an overview of the year’s scientific research achievements across the Institute’s disciplines, alongside operational summaries covering finances, administrative changes, and other key activities.


Capillary-Diffusion And Self-Diffusion Of Liquid Water In Unsaturated Soils, Ronald E. Phillips, V. L. Quisenberry Jr. Dec 1971

Capillary-Diffusion And Self-Diffusion Of Liquid Water In Unsaturated Soils, Ronald E. Phillips, V. L. Quisenberry Jr.

KWRRI Research Reports

Capillary-diffusion coefficients were measured by use of inflow and outflow methods. With both methods the capillary-diffusion coefficients decreased very rapidly with decreasing water content. The lighter textured soils were found to have the higher diffusion coefficients over the entire moisture content range studied, 0 to 1 bar tension.

Self-diffusion coefficients were measured over a moisture content range from air dryness to saturation using 3H as a tracer of water. Each of the soils gave the same diffusion characteristics when the self-diffusion coefficients were expressed as a function of either water content or average number of water layers on the …


Response Of Fraxinus Pennsylvanica M. Provenances To Daylength And Temperature, Cheng-Chun Ying Dec 1971

Response Of Fraxinus Pennsylvanica M. Provenances To Daylength And Temperature, Cheng-Chun Ying

School of Natural Resources: Dissertations, Theses, and Student Research

No abstract provided.


Computer Sheets, Walter A. Lawrance Oct 1971

Computer Sheets, Walter A. Lawrance

Walter Lawrance Papers

No abstract provided.


Mill Pollution, Walter A. Lawrance Oct 1971

Mill Pollution, Walter A. Lawrance

Walter Lawrance Papers

No abstract provided.


Pool Studies, Walter A. Lawrance Oct 1971

Pool Studies, Walter A. Lawrance

Walter Lawrance Papers

No abstract provided.


D.O. And Other Tests, Walter A. Lawrance Oct 1971

D.O. And Other Tests, Walter A. Lawrance

Walter Lawrance Papers

No abstract provided.


L.A. General Data, Walter A. Lawrance Oct 1971

L.A. General Data, Walter A. Lawrance

Walter Lawrance Papers

No abstract provided.


Special Studies, Walter A. Lawrance Oct 1971

Special Studies, Walter A. Lawrance

Walter Lawrance Papers

No abstract provided.


A Study Of The Limnetic Zooplankton Of Five Flood Control Reservoirs, Glen R. Helzer Aug 1971

A Study Of The Limnetic Zooplankton Of Five Flood Control Reservoirs, Glen R. Helzer

School of Natural Resources: Dissertations, Theses, and Student Research

No abstract provided.


Final Report Emission Inventory For The State Of Nebraska, The Ibm Corporation Federal Systems Division, Environmental Protection Agency Jul 1971

Final Report Emission Inventory For The State Of Nebraska, The Ibm Corporation Federal Systems Division, Environmental Protection Agency

United States Environmental Protection Agency: Publications

The following report represents the results of the work performed under BOA 68-02-0043, Task Order Number 1 from The Environmental Protection Agency, Air Pollution Control Office. A note of thanks is due to Mr. E. J. Lillis and D. Dunbar of the EPA Project Office and Mr. Peter Culver, the EPA Project Engineer for their assistance and excellent cooperation during the study. A note of special thanks is due to Mr. Gene Robinson of the Nebraska Division of Air Pollution Control without whose efforts successful completion of this task would not have been possible.


Real Property Owned. By The Federal Government In The' State Of Nebraska, U.S. Environmental Protection Agency Jun 1971

Real Property Owned. By The Federal Government In The' State Of Nebraska, U.S. Environmental Protection Agency

United States Environmental Protection Agency: Publications

This inventory report Is a summary compilation of the major facilities of real property owned by the Federal Government in this state. The installations are listed alphabetically by the city in which they are located and the listing includes a brief description of the installation, the agency which operates the facility, the GSA inventory number, the GSA location code, the total floor area of all the buildings and a size classification code. The operating agency and Installation descriptions are those reported to the General Services Administration as of June 30, 1970. Installations with a total floor area less than 1,500 …


Ua45/6 Attack On The Environment, Wku Registrar May 1971

Ua45/6 Attack On The Environment, Wku Registrar

WKU Administration Documents

Elvis Stahr's 1971 commencement speech.


Ua77/1 Western Alumnus, Vol. 39, No 5, Wku Alumni Association Apr 1971

Ua77/1 Western Alumnus, Vol. 39, No 5, Wku Alumni Association

WKU Administration Documents

WKU alumni magazine. Features the following articles:

  • What's Going On In Teacher Education? - Tate Page Hall
  • Conway, Sheila. Faithful Servant of Generations - Shirley Posey
  • Cravens, Raymond. Western & the Accreditation Process
  • The Educational World: Where Does Western Stand?
  • Photo Feature: Downing University Center
  • Armstrong, Don. The Environment & Cornfield Calculus - Marvin Russell
  • Service Lives On at Western - Alpha Phi Omega, Gamma Sigma Sigma, Gamma Beta Phi, Circle K
  • Wilder, Jerry. Undergraduate Advisement: They Shall Not Fail!
  • Downing, Dero. Founder's Day Meditation
  • Cochran, Robert. What Do We Mean by School Public Relations?
  • Given, Ed. Hitch-Hiker on Football's …