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Articles 50641 - 50670 of 52486
Full-Text Articles in Entire DC Network
Biology Of Nematodes In Desert Ecosystems, D. W. Freckman, R. Mankau
Biology Of Nematodes In Desert Ecosystems, D. W. Freckman, R. Mankau
Memorandum
No abstract provided.
Responses And Interactions In Desert Plants As Influenced By Irrigation And Nitrogen Application, R. B. Hunter, E. M. Romney, A. Wallace, H. O. Hill, T. A. Ackerman, J. E. Kinnear
Responses And Interactions In Desert Plants As Influenced By Irrigation And Nitrogen Application, R. B. Hunter, E. M. Romney, A. Wallace, H. O. Hill, T. A. Ackerman, J. E. Kinnear
Memorandum
No abstract provided.
Estimation Of Functional Root Biomass And Root And Shoot Response Of Atriplex Confertifolia To Summer Rain, K. C. Hodgkinson, P. S. Johnson, B. E. Norton
Estimation Of Functional Root Biomass And Root And Shoot Response Of Atriplex Confertifolia To Summer Rain, K. C. Hodgkinson, P. S. Johnson, B. E. Norton
Memorandum
No abstract provided.
Demographic Studies Of Sagebrush Insects As Functions Of Various Environmental Factors, T. H. Hsiao, A. K. Temte
Demographic Studies Of Sagebrush Insects As Functions Of Various Environmental Factors, T. H. Hsiao, A. K. Temte
Memorandum
No abstract provided.
The Ants Of Arizona: An Ecological Study Of Ants In The Sonoran Desert, C. Gaspar, F. G. Werner
The Ants Of Arizona: An Ecological Study Of Ants In The Sonoran Desert, C. Gaspar, F. G. Werner
Memorandum
No abstract provided.
Seasonal Use Of Soil Moisture By Larrea Tridentata And Ambrosia Deltoidea, D. R. Cable
Seasonal Use Of Soil Moisture By Larrea Tridentata And Ambrosia Deltoidea, D. R. Cable
Memorandum
No abstract provided.
Plant Demographic Studies Of Desert Annual Communities In Northern Utah Dominated By Non-Native Weedy Species, D. R. Duba, B. E. Norton
Plant Demographic Studies Of Desert Annual Communities In Northern Utah Dominated By Non-Native Weedy Species, D. R. Duba, B. E. Norton
Memorandum
No abstract provided.
Jornada Validation Site Report, W. G. Whitford
Nitrogen And Phosphorus Constraints On Primary Production In The Great Basin Desert, J. J. Jurinak, D. W. James, A. Van Luik
Nitrogen And Phosphorus Constraints On Primary Production In The Great Basin Desert, J. J. Jurinak, D. W. James, A. Van Luik
Memorandum
No abstract provided.
Growth Of Perennials In Response To Varying Moisture And Defoliation Regimes, J. A. Macmahon, B. E. Norton, B. M. Capen
Growth Of Perennials In Response To Varying Moisture And Defoliation Regimes, J. A. Macmahon, B. E. Norton, B. M. Capen
Memorandum
No abstract provided.
Gas Exchange And Productivity Of Sonoran Desert Shrubs, S. R. Szarek, R. M. Woodhouse
Gas Exchange And Productivity Of Sonoran Desert Shrubs, S. R. Szarek, R. M. Woodhouse
Memorandum
No abstract provided.
Abundance And Distribution Of Soil Microarthropods In Rock Valley, Nevada, E. B. Edney, P. J. Franco, J. F. Mcbrayer
Abundance And Distribution Of Soil Microarthropods In Rock Valley, Nevada, E. B. Edney, P. J. Franco, J. F. Mcbrayer
Memorandum
No abstract provided.
Nitrogen Dynamics In Stands Dominated By Some Major Cool Desert Shrubs. V. Studies On Denitrification And Nitrogen Fixation: Comparison Of Biological Process In Western Deserts, J. J. Skujins
Memorandum
No abstract provided.
Measurement Of Evapotranspiration With A Monolith Lysimeter, D. W. Young, D. D. Evans, T. W. Sammis, C. Constant
Measurement Of Evapotranspiration With A Monolith Lysimeter, D. W. Young, D. D. Evans, T. W. Sammis, C. Constant
Memorandum
No abstract provided.
An Evaluation Of The Effects Of Dredging Within The Arkansas River Navigation System, Volume Iii-The Effects Upon The Zooplankton Associations, Edgar D. Short, Eugene H. Schmitz
An Evaluation Of The Effects Of Dredging Within The Arkansas River Navigation System, Volume Iii-The Effects Upon The Zooplankton Associations, Edgar D. Short, Eugene H. Schmitz
Arkansas Water Resources Center Technical Reports
The primary purpose of the zooplankton phase of the coordinated study was to attempt to evaluate the effects of dredging operations on the abundance, distribution, composition and complexity of the zooplankton communities within the aquatic system of the Arkansas River. The other phases of investigation include fish, macroinvertebrates, phytoplankton and some physico-chemical parameters. The lack of baseline data, needed for measurement of previous ecological conditions from which to detect past and future changes, proved to be a major impediment to any evaluation. Although the study involved only about 240 miles of the river in Arkansas, it should serve as an …
Fisheries Report No 26 - Report On Lake Chandala With Recommendations Of Its Importance As A Fauna Reserve, Alan Tingay, Susan R. Tingay
Fisheries Report No 26 - Report On Lake Chandala With Recommendations Of Its Importance As A Fauna Reserve, Alan Tingay, Susan R. Tingay
Fisheries Research Reports
The hydrology, vegetation, fauna and land use of Lake Chandala (31°30 'S, 115°57'E) is described on the basis of field and literature surveys. The significance of the Lake as a Straw-necked Ibis (Thresktornts spinicollis) nesting rookery is emphasised and recommendations are made for its acquisition and future management.
Fisheries Report No 23 - The Management Of Nature Reserves In Western Australia, Andrew A. Burbidge, Trevor Evans
Fisheries Report No 23 - The Management Of Nature Reserves In Western Australia, Andrew A. Burbidge, Trevor Evans
Fisheries Research Reports
The number and area of Nature Reserves in Western Australia has grown rapidly in recent times. At 80 June 1975 there were 491 reserves with an area of 5 103 037 hectares. By 31 December 1975, with the inclusion of reserves for the Conservation of Flora in the definition of a Nature Reserve, there were 900 reserves totalling 5 317 965 ha. With the implementation of the Environmental Protection Authority's recommendations based on the Conservation Through Reserves Committee's Report on Systems 4, 8, 9, 10, 11 and 12 the Nature Reserve System will jump to 985 reserves with an area …
Programming Phase Of Water Response Ecosystem Model: I. Introduction And Support Programs, P. W. Lommen
Programming Phase Of Water Response Ecosystem Model: I. Introduction And Support Programs, P. W. Lommen
Memorandum
No abstract provided.
Fisheries Report No 22 - The Western Rock Lobster Fishery 1971 - 1972, G. R. Morgan, E H. Barker
Fisheries Report No 22 - The Western Rock Lobster Fishery 1971 - 1972, G. R. Morgan, E H. Barker
Fisheries Research Reports
The fishery for the western rock lobster* is one of the most important single fisheries in Australia and an important export earner for the State. The fishery is governed by a complex set of regulations which have been reviewed by Bowen (1971) and which are designed to limit the total effort to acceptable levels and to enforce a legal minimum size. It is thus important to constantly monitor the state of the fishery both to ensure that the effort is remaining within the accepted limits and that the regulations are adequately performing their function of maintaining reasonably stable catches. Inherent …
Report No 21 - A Resource Survey Of Woody Island, Archipelago Of The Recherche, J. Goodsell, A. Tingay, S. R. Tingay
Report No 21 - A Resource Survey Of Woody Island, Archipelago Of The Recherche, J. Goodsell, A. Tingay, S. R. Tingay
Fisheries Research Reports
A resource survey of Woody Island was undertaken by the three authors from 26 October, 1975 to 8 November, 1975.
The island has some unusual faunal and floral features not yet recorded for the Archipelago. These are discussed.
Some problems in relation to the island's management are identified.
Fisheries Report No 25 - The Western Australian Amateur Fishery For Australian Herring (Arripis Georgianus) - Results Of The 1973 Creel Census, R C.J. Lenanton, N. G. Hall
Fisheries Report No 25 - The Western Australian Amateur Fishery For Australian Herring (Arripis Georgianus) - Results Of The 1973 Creel Census, R C.J. Lenanton, N. G. Hall
Fisheries Research Reports
Historically, the Western Australian production of Australian herring (Arrtpts georgtanus) has fluctuated from year to year in response to changing market demand. Prior to 1968, the annual catch taken by professional fishermen was relatively stable, ranging from 200 000 kg (approx. 500 000 pounds) to 450 000 kg (approx. 1 000 000 pounds). From 1968, commercial production has risen to a peak of 1 187 440 kg (2 617 857 pounds) recorded in 1972/73 (Table I). An increase in demand for herring as bait for the rock lobster fishery is considered to be the major factor involved in this observed …
Effects Of Rodents Of Germination Of Desert Annuals, O.J. Reichman
Effects Of Rodents Of Germination Of Desert Annuals, O.J. Reichman
Memorandum
No abstract provided.
Plant Productivity And Nutrient Interrelationships Of Perennials In The Mohave Desert, A. T. Vollmer, A. Wallace, J. W. Cha, T. Hartsock
Plant Productivity And Nutrient Interrelationships Of Perennials In The Mohave Desert, A. T. Vollmer, A. Wallace, J. W. Cha, T. Hartsock
Memorandum
No abstract provided.
Primary Production And Carbon Allocation In Creosotebush: The Effect Of Leaf Age On Net Gas Exchange Capacity, J. P. Syvertsen, G. L. Cunningham
Primary Production And Carbon Allocation In Creosotebush: The Effect Of Leaf Age On Net Gas Exchange Capacity, J. P. Syvertsen, G. L. Cunningham
Memorandum
No abstract provided.
Gas Exchange, Translocation, Root Growth And Soil Respiration Of Great Basin Plants, M. M. Caldwell, L. B. Camp, R. S. Holthausen, H. Neuber
Gas Exchange, Translocation, Root Growth And Soil Respiration Of Great Basin Plants, M. M. Caldwell, L. B. Camp, R. S. Holthausen, H. Neuber
Memorandum
No abstract provided.
The Influence Of Digging Rodents On Primary Production In Rock Valley, L. F. Soholt, W. K. Irwin
The Influence Of Digging Rodents On Primary Production In Rock Valley, L. F. Soholt, W. K. Irwin
Memorandum
No abstract provided.
Curlew Valley Validation Site Report, J.A. Macmahon
Jornada Validation Site Report, W.G. Whitford
Plant Productivity And Nutrient Inter-Relationships Of Perennials In The Mohave Desert, A.T. Vollmer, A. Wallace, J.W. Cha, T. Hartsock
Plant Productivity And Nutrient Inter-Relationships Of Perennials In The Mohave Desert, A.T. Vollmer, A. Wallace, J.W. Cha, T. Hartsock
Memorandum
No abstract provided.
Rock Valley Validation Site Report, F.B. Turner