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Articles 29641 - 29670 of 30777
Full-Text Articles in Entire DC Network
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.
Effect Of Soil Water Potential On Soil Moisture Absorption, Transpiration Rate, Plant Water Potential, And Growth Of Artemisia Tridentata, Gaylon S. Campbell, Grant A. Harris
Effect Of Soil Water Potential On Soil Moisture Absorption, Transpiration Rate, Plant Water Potential, And Growth Of Artemisia Tridentata, Gaylon S. Campbell, Grant A. Harris
Memorandum
No abstract provided.
Limnetic Zooplankton Dynamics In Beaver Reservoir Including An Inventory Of Copepod Species And An Evaluation Of Vertical Sampling Methods, Eugene H. Schmitz
Limnetic Zooplankton Dynamics In Beaver Reservoir Including An Inventory Of Copepod Species And An Evaluation Of Vertical Sampling Methods, Eugene H. Schmitz
Arkansas Water Resources Center Technical Reports
There can be little doubt that the development of primary food sources (i.e. plankton) is an important factor contributing to fish production. Applegate and Mullan (1968) report that an exceptional sport fish harvest is generally associated with the development of new reservoirs, although the precise reasons for such interrelations are not known. Kramer and Smith (1962) demonstrated the tendency of bass fingerlings to feed on Cladocera in proportion to the latter's abundance, and Hodson (1966) reported the same basic pattern for largemouth and spotted bass fingerlings in Beaver Reservoir. Applegate and Mullan (1969) analyzed the digestive tract contents of larval …
Automation Of The Continuous Coagulation Monitor, Dee Mitchell, James J. Oskowis
Automation Of The Continuous Coagulation Monitor, Dee Mitchell, James J. Oskowis
Arkansas Water Resources Center Technical Reports
The development of automation in the past 50 years has paralleled the accelerating growth of today’s vast technological society. Automatic control systems are indispensable extensions of man's brain that enable him to monitor and regulate his complex environment. The principles of automatic control have a wide range of applications and interests in virtually every scientific field. The need for automatic control systems in vital applications of environmental engineering is both real and urgent. Extensive pollution has resulted in unavoidable water re-use and in the inevitable establishment of stringent effluent standards. Both water and wastewater treatment processes have necessarily become more …
Limnological, Ichthyological, And Parasitological Investigations On Arkansas Reservoris In Relation To Water Quality, John S. Carter, Carl E. Hoffman, Larry L. Olmsted, Raj V. Kilambi, Donald G. Cloutman, David A. Becker
Limnological, Ichthyological, And Parasitological Investigations On Arkansas Reservoris In Relation To Water Quality, John S. Carter, Carl E. Hoffman, Larry L. Olmsted, Raj V. Kilambi, Donald G. Cloutman, David A. Becker
Arkansas Water Resources Center Technical Reports
Lake Fort Smith, a 525 acre (212 ha) reservoir, was impounded in 1936 as a water supply for the city of Fort Smith. The reservoir is located on Clear Creek (Frog Bayou), a tributary of the Arkansas River, in the Boston Mountains 28 miles (45 km) northeast of the city of Fort Smith in Crawford County, Arkansas. A map and morphometric characteristics of Lake Fort Smith are given in Fig. 1 and Table I (Hoffman, 1951; Nelson, 1952). In 1956 Lake Shepherd Springs, a 750 acre (304 ha) impoundment, was created one mile upstream of Lake Fort Smith (Rorie, 1961). …
Study On Generality Of Desert Simulation Model By Using Of Tundra Data, F. E. Wielgolaski, J. Radford, W. G. Valentine
Study On Generality Of Desert Simulation Model By Using Of Tundra Data, F. E. Wielgolaski, J. Radford, W. G. Valentine
Memorandum
No abstract provided.
Factors Contributing To Production And Distribution Of Chihuahuan Desert Annuals, Paul D. Whitson
Factors Contributing To Production And Distribution Of Chihuahuan Desert Annuals, Paul D. Whitson
Memorandum
No abstract provided.
Effect Of Density On The Population Dynamics Of Perognathus Formosus And Its Relationships Within A Desert Ecosystem, Robert M. Chew, Frederick B. Turner
Effect Of Density On The Population Dynamics Of Perognathus Formosus And Its Relationships Within A Desert Ecosystem, Robert M. Chew, Frederick B. Turner
Memorandum
No abstract provided.
Mycorrhizae Of Desert Plants, E. E. Staffeldt, K. B. Vogt
Mycorrhizae Of Desert Plants, E. E. Staffeldt, K. B. Vogt
Progress reports
No abstract provided.
Nitrogen Transformations In Rock Valley And Adjacent Areas Of The Mohave Desert, R. B. Hunter, A. Wallace, M. Romney, P. A. T. Wieland
Nitrogen Transformations In Rock Valley And Adjacent Areas Of The Mohave Desert, R. B. Hunter, A. Wallace, M. Romney, P. A. T. Wieland
Progress reports
No abstract provided.
Environmental Evaluation Report On The Big Mulberry Creek Basin In Franklin, Madison, Newton, Johnson And Crawford Counties, Arkansas, Edward E. Dale Jr.
Environmental Evaluation Report On The Big Mulberry Creek Basin In Franklin, Madison, Newton, Johnson And Crawford Counties, Arkansas, Edward E. Dale Jr.
Arkansas Water Resources Center Technical Reports
The environmental evaluation report which follows is based on information supplied by the Corps of Engineers, Little Rock District, available literature, field observations made during the summer of 1972, and results of research now in progress on natural features of the Big Mulberry Basin. Since most major dams, levees, and flood retarding structures now in existence in the Ozarks have been constructed since about 1940, opportunities to make long term studies of their effects have been limited. Also, the natural vegetation, fauna, and archeology of the Big Mulberry Basin have not been extensively investigated, but available sources provide enough information …
Curlew Valley Validation Site Report, R.S. Shinn, R.D. Anderson, M. Merritt, W. Osborne, J.A. Macmahon
Curlew Valley Validation Site Report, R.S. Shinn, R.D. Anderson, M. Merritt, W. Osborne, J.A. Macmahon
Memorandum
No abstract provided.
Ecology Of Cool Desert Annuals, L. G. Klikoff, D. C. Freeman, N. Negus
Ecology Of Cool Desert Annuals, L. G. Klikoff, D. C. Freeman, N. Negus
Progress reports
No abstract provided.
Composition And Biomass Contribution Of Lichen And Moss Communities In The Hot Desert Ecosystems, Thomas H. Nash Iii, Sally White, Janet M. Nash
Composition And Biomass Contribution Of Lichen And Moss Communities In The Hot Desert Ecosystems, Thomas H. Nash Iii, Sally White, Janet M. Nash
Memorandum
No abstract provided.
Studies On Wood Borers, Girdlers And Seed Predators Of Mesquite, Jeannine Riazance, W. G. Whitford
Studies On Wood Borers, Girdlers And Seed Predators Of Mesquite, Jeannine Riazance, W. G. Whitford
Memorandum
No abstract provided.
Biology Of Nematodes In Desert Ecosystems, D. W. Freckman, S. A. Sher, R. Mankau
Biology Of Nematodes In Desert Ecosystems, D. W. Freckman, S. A. Sher, R. Mankau
Memorandum
No abstract provided.
Decomposition And Mineralization In An Artemisia Tridentata Community In Northern Nevada, Peter L. Comanor, Don C. Prusso
Decomposition And Mineralization In An Artemisia Tridentata Community In Northern Nevada, Peter L. Comanor, Don C. Prusso
Memorandum
No abstract provided.
The Role Of Orthoporus Ornatus Millipedes In A Desert Ecosystem, C. S. Crawford
The Role Of Orthoporus Ornatus Millipedes In A Desert Ecosystem, C. S. Crawford
Memorandum
No abstract provided.
Nitrogen Dynamics In Stands Dominated By Some Major Cool Desert Shrubs, J. J. Skujins, N. E. West
Nitrogen Dynamics In Stands Dominated By Some Major Cool Desert Shrubs, J. J. Skujins, N. E. West
Memorandum
No abstract provided.
A Model Of Photosynthesis For Desert Species, E. G. Brittain
A Model Of Photosynthesis For Desert Species, E. G. Brittain
Memorandum
No abstract provided.
Jornada Validation Site, Walter G. Whitford
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
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.
Some Pseudoscorpions Of Curlew Valley, George F. Knowlton
Some Pseudoscorpions Of Curlew Valley, George F. Knowlton
Memorandum
No abstract provided.
Terrestrial Model: Soil Processes (Version Iv), Paul Lommen
Terrestrial Model: Soil Processes (Version Iv), Paul Lommen
Memorandum
No abstract provided.
Terrestrial Model: Animal Processes (Version Iii), S. Payne
Terrestrial Model: Animal Processes (Version Iii), S. Payne
Memorandum
No abstract provided.
Predicting Utilization Of Forage Species On Great Basin Desert Winter Range, Donovan C. Wilkin, B. E. Norton
Predicting Utilization Of Forage Species On Great Basin Desert Winter Range, Donovan C. Wilkin, B. E. Norton
Memorandum
No abstract provided.
A Preliminary Submodel Of Carbon Translocation, W. Valentine, M. Ayyad
A Preliminary Submodel Of Carbon Translocation, W. Valentine, M. Ayyad
Memorandum
No abstract provided.
Locomotive Springs Validation Study, J. Anne Holman, I. Walkiw, F. Post
Locomotive Springs Validation Study, J. Anne Holman, I. Walkiw, F. Post
Memorandum
No abstract provided.
A Simplified Version Of The Desert Biome General-Purpose Model To Simulate The Production Of Dry Matter In Plants, F. Romane
Memorandum
No abstract provided.
Deep Creek Validation Study: Results Of Data Search For Aquatic Model, G. W. Minshall, J. Perry Ii, S. Walrath, C. Nimz, M. Mcsorley, J. Brock
Deep Creek Validation Study: Results Of Data Search For Aquatic Model, G. W. Minshall, J. Perry Ii, S. Walrath, C. Nimz, M. Mcsorley, J. Brock
Memorandum
No abstract provided.