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Articles 11971 - 12000 of 12742
Full-Text Articles in Entire DC Network
Water Current, Volume 11, No. 6, November/December 1979
Water Current, Volume 11, No. 6, November/December 1979
Water Current Newsletter
Search Committee for NWRC Director
Research Priorities
Water Resources Seminar Series
Summary Report on Water-Facts Computer Game
Speakers at AWRA Conference
MRBC Approves FY 1982 Priorities
Progress Report on Implementation of Water Policy Initiatives
OWRT Announces Final Distribution of FY 79 and FY 80 Matching Grant Awards
Amending Water Legislation Introduced
Interagency Task Force Lists National Priorities
208 Planning Phased Out
Research Review: Development of a Manual on Alternative Irrigation Management Practices and Their Efforts on the Environment in the Great Plains
Review Of Avian Mortality Due To Collisions With Manmade Structures, Michael L. Avery
Review Of Avian Mortality Due To Collisions With Manmade Structures, Michael L. Avery
Bird Control Seminars Proceedings
Birds have undoubtedly been colliding with manmade structures ever since humans started building things skyward. The earliest documented instances of collision mortali- ty in this country are from the late 1800's (Coues 1876, Merriam 1885) and the problems continue unabated today. The total avian mortality due to collisions with manmade obstacles is probably greater every year as buildings, towers, chimneys, overhead power lines, and other structures are erected in ever-increasing numbers. Weir (1976) provides an excellent review of bird migration, weather, and collision mortality associated with various types of structures.
The biological significance of collision mortality to any species is …
Effective Use Of Sound To Repel Birds From Industrial Waste Ponds, Lee R. Martin
Effective Use Of Sound To Repel Birds From Industrial Waste Ponds, Lee R. Martin
Bird Control Seminars Proceedings
Birds are not normally attracted to waste ponds as a food source but, rather, as a place to loaf or rest. This is why sound patterns designed to affect bird behavior act as an effective deterrent to birds in these less attractive sites. The number and species of local or resident birds that frequent the site depend upon the degree of suitability found during their first visit. They can often be discouraged from using a waste pond by eliminating or reducing nearby roosting, loafing, nesting sites, and preferred food sources. Migratory birds present a different problem in that as they …
A New “Parotrap” Adapted From The Mac Trap For Capturing Live Parakeets In The Field, Elsadig Awad Bashir
A New “Parotrap” Adapted From The Mac Trap For Capturing Live Parakeets In The Field, Elsadig Awad Bashir
Bird Control Seminars Proceedings
The Rose-ringed parakeet (Psittacula krameri [Scopdi]) has been reported (Roberts, 1974; Bashir, 1978; Beg, 1978; and DeGrazio, 1978) as a serious bird pest of maize, sunflower, rape seeds, and fruit crops, particularly citrus, mangoes, and guavas, in Pakistan. Estimated annual losses to maize grown for seed alone amount to about 97,000 tons, worth about Pak. Rs. 150 million or US $15 million (Roberts, 1978). Paradoxically, this handsome bright green parakeet is highly esteemed in the pet trade; and limited numbers are also marketed locally and sometimes exported to neighboring countries, particularly the Arab Gulf Emirates, as caged pets. Traditional control …
Blackbird-Starling Winter Roost Survey In Kentucky And Tennessee, 1977-78, Jon F. Heisterberg
Blackbird-Starling Winter Roost Survey In Kentucky And Tennessee, 1977-78, Jon F. Heisterberg
Bird Control Seminars Proceedings
The existence of large winter blackbird-starling roosts has, at least in recent years, presented problems to residents of Kentucky and Tennessee. Farmers in the vicinity of large roosts have reported serious crop and feedlot losses (including transmission of livestock diseases caused by blackbirds and starlings). Aesthetic, human health, and nuisance problems are frequently associated with large roosts. To gain knowledge and understanding of the distribution and ecology of winter roosts so that more effective means of alleviating these problems can be found, the Fish and Wildlife Service periodically conducts roost surveys throughout the United States. Surveys of winter roosts, with …
The Effects Of Sewage Pollution Abatement On Phytoplankton Productivity And Standing Crop In Hillsborough Bay, Florida, City Of Tampa Department Of Sanitary Sewers
The Effects Of Sewage Pollution Abatement On Phytoplankton Productivity And Standing Crop In Hillsborough Bay, Florida, City Of Tampa Department Of Sanitary Sewers
Reports
In September 1976, the City of Tampa initiated a comprehensive monitoring study of the ecology of the phytoplankton community of Hillsborough Bay. Numerous studies elsewhere have shown that phytoplankton are well suited as monitors of trophic state due to their rapid response to changing environmental conditions (Hohn, 1959; Williams, 1964; Margalef, 1968; Welch, 1968; Dunstan, 1975; Taslakain and Hardy, 1976). The present study is designed to relate changes in the phytoplankton community of Hillsborough Bay with the reduced nutrient load entering the Bay from the AWT facility.
Rare, Threatened And Endangered Vascular Plants In Oregon: An Interim Report, Jean L. Siddall, Kenton L. Chambers, David H. Wagner
Rare, Threatened And Endangered Vascular Plants In Oregon: An Interim Report, Jean L. Siddall, Kenton L. Chambers, David H. Wagner
Institute for Natural Resources Publications
This report on rare, threatened and endangered vascular plants in Oregon is a basic document in the process of inventorying the state's natural areas * Prerequisite to the orderly establishment of natural preserves for research and conservation in Oregon are (1) a classification of the ecological types, and (2) a listing of the special organisms, which should be represented in a comprehensive system of designated natural areas. The necessary ecological classification was published in the U.S. Forest Service Pacific Northwest Forest and Range Experiment Station document, "Research Natural Area Needs in the Pacific Northwest," by Dyrness et al. (1975). This …
State Of The Fisheries Report 1978, Department Of Fisheries And Wildlife, Western Australia
State Of The Fisheries Report 1978, Department Of Fisheries And Wildlife, Western Australia
Status Reports of the Fisheries and Aquatic Resources
Western Australia has maintained its position as the top fishing State. The catch in Western Australia of fish, crustaceans, and molluscs in 1977-78 was worth $76 million to the fishermen, which is 36 per cent of the total value for Australia.
The Feasibility Of Change-Of-Use Of Selected State Administered Lands In Utah, Eugene K. Israelsen, Lynn H. Davis
The Feasibility Of Change-Of-Use Of Selected State Administered Lands In Utah, Eugene K. Israelsen, Lynn H. Davis
Reports
Many acres of the state come under the jurisdiction of the State Government and are managed by the appropriate department of state government. The Division of State Lands, Department of Natural Resources of the State of Utah is responsible for the management of much of the state owned land. The Division of State Lands leases the lands to various users. Revenues from the leases are used for the support of state administered program such as education. The Division of State Lands desires to manage these lands as efficiently as possible and maximize the rents and thus increase the revenues available …
Mule Deer Habitat Guidelines, Richard M. Kerr
Mule Deer Habitat Guidelines, Richard M. Kerr
United States Bureau of Land Management: Staff Publications
The purpose of this Mule Deer (Odocoileus hemionus) Habitat Management Guide is principally to assist BLM managers and biologists in planning for and managing mule deer habitat on public lands administered by the Bureau of Land Management. For many years Federal land management agencies have made the distinction between the Federal responsibility for managing habitat and the State prerogatives of managing native wild ungulate populations. Certainly the two are inseparably linked. These responsibilities, and up to now "symbiotic relationships", are probably best described succinctly in Title 43 of the Code of Federal Regulations Part 24.
Outlook -- The …
Water Current, Volume 11, No. 4, July/August 1979
Water Current, Volume 11, No. 4, July/August 1979
Water Current Newsletter
Public Participation and State Water Policy Development
Research Assistantships Available
Graduate Research Assistantship
Need for Water Research Stressed
Hearings Rescheduled on Water Bills
Research Review: Analysis of Seasonal Persistence of Climate in Nebraska
Gloucerstermen: Before And After "The Law", William S. Weber
Gloucerstermen: Before And After "The Law", William S. Weber
Marine Affairs Theses and Major Papers
Gloucester has been renowned for its leadership in the fishing industry since colonial days. From the first failure of the Dorchester Company at Stage Fort to the subsequent glories of the schooner fleets, the story has been told in fact, fiction, poetry, and painting. The literature brings to life the beauty of the place, the dangers of the sea,and the character building of those who contested life in the North Atlantic. Most of our recorded material deals with the exploits of Yankees, Portuguese, Scandinavians, and Nova Scotians. Today, and in the immediate past, it is the Italian-American fishermen who dominate …
Charged Membrane, Low Pressure Ultrafiltration To Treat Acid Mine Drainage Waters, Dibakar Bhattacharyya, Robert B. Grieves, Shiela Shelton
Charged Membrane, Low Pressure Ultrafiltration To Treat Acid Mine Drainage Waters, Dibakar Bhattacharyya, Robert B. Grieves, Shiela Shelton
KWRRI Research Reports
Low-pressure ultrafiltration with negatively-charged, non-cellulosic membranes is shown to be a feasible process in terms of achieving the simultaneous separation of dissolved metals (and sulfate) and of suspended solids from acid mine drainage water. The process is evaluated in terms of the simultaneous achievement of good water flux without membrane fouling and of adequate ultrafiltrate quality at high water recovery for water reuse operation.
At a transmembrane pressure of 5.6 x 105 N/m2, water fluxes in the range of 5.8 x 10-4 cm/sec to 12.5 x 10-4 cm/sec could be obtained at 97% water recovery. …
Crop Monitoring Handbook 1979, Department Of Agriculture, Western Australia
Crop Monitoring Handbook 1979, Department Of Agriculture, Western Australia
Grain and other field crops published reports
Prepared by the Plant Research Division of the Department of Agriculture for farmers who wish to keep detailed records of crop growth with the aim of achieving higher yields in the future.
A Technical Focus For Documenting The Effectiveness Of The Cooperative Owrt-Institute Water Resources Research Program, L. Douglas James
A Technical Focus For Documenting The Effectiveness Of The Cooperative Owrt-Institute Water Resources Research Program, L. Douglas James
Reports
For years, the cooperative water resources research program of the Office of Water Research and Technology and the water resources research institutes in the respective states has been experiencing considerable difficulty in generating agency, congressional, and user support of a sort that attracts sufficient funding to maintain a dynamic research program. Efforts to increase support have included recruiting greater interaction with research user groups, expansion of the technology transfer program, cultivation of interaction of center directors and research users with congress, shifting requests for added funding within the research program from the allotment funding given the respective states to matching …
Development And Validation Test Of A Mule Deer Habitat Rule, Glenn Gephart
Development And Validation Test Of A Mule Deer Habitat Rule, Glenn Gephart
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
A mathematical description of Rocky Mountain mule deer (Odocoileus hemionus hemionus) habitat was developed and subjected to validation testing using correlation and multiple regression statistical techniques. Data were collected on a central Utah study area, which was divided into mountain and desert regions.
Data on deer utilization and several habitat components from 86 study plots visited in 1976 were used to develop a habitat rule. Data from 46 study plots visited in 1977 were used to test the accuracy of the rule. Deer utilization was determined from pellet group counts on 20 0.001 ha pellet plots at each …
Some Effects Of A Grazer, Hyalella Azteca On Ecosystem Level Properties In Aquatic Microcosms, Martin D. Werner
Some Effects Of A Grazer, Hyalella Azteca On Ecosystem Level Properties In Aquatic Microcosms, Martin D. Werner
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
A study to determine some ecosystem level effects of an aquatic invertebrate grazer, Hyalella azteca, was performed in aquatic ix microcosms. Impact of the grazer was assessed in three general areas: 1) inorganic nutrient levels of the microcosm water column, 2) productivity and respiration of the biotic community, and 3) plant community composition in the microcosms.
The grazing amphipod caused inorganic phosphorus and nitrogen (except ammonia) levels to be elevated in the microcosms. The increase was due, at least partially, to excretion of nutrients into the water by the amphipod. The presence of H. azteca did not significantly …
Two Basic Methodological Choices In Wildland Vegetation Inventories: Their Consequences And Implications, Donald Alan Shute
Two Basic Methodological Choices In Wildland Vegetation Inventories: Their Consequences And Implications, Donald Alan Shute
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
In designing inventories of wildland vegetation, two of the many basic methodological choices are: 1) whether data are collected, reduced, and stored in discrete classes or as continuous variables, and 2) whether data are gathered as general purpose variables to bear upon many questions, or as specific purpose variables optimized for only one type of prediction. The effects of these two choices on accuracy of vegetation inventories to predict plant community production were examined by comparing regression models built upon differing sets of independent variables "inventoried" from a common data base. Contrary to expectations, discrete variables of classified community types …
Spectral Signature Studies For Application In Deer Census Using Remote Sensing Techniques, Maran C. Pate
Spectral Signature Studies For Application In Deer Census Using Remote Sensing Techniques, Maran C. Pate
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
This study was performed to determine the spectral signatures of deer and their natural background elements for censusing purposes. Consideration was given to atmospheric transmittance, acceptable flying weather, and terrain. Possible spectral bands between 0.3 and 14.0 μm were obtained (over a pathlength of 1500 feet at an altitude of 5000 feet) based upon atmospheric transmittance using the LOWTRAN 3B computer program. They are: 0.30 - 1.33, 1.49 - 1.79, 2.00 - 2.50, 3.00 - 3.16, 3.38 - 4.10, 4.59 - 5.05, and 8.00 - 13.33 μm, for transmittance greater than 75%. Weather conditions are favorable for flying and taking …
"The Global Hope Is Around": An Incident At Salem Sound, K. W. Mathews
"The Global Hope Is Around": An Incident At Salem Sound, K. W. Mathews
Marine Affairs Theses and Major Papers
On February 6, 1978, in the midst of the worst blizzard to hit the Northeast in 100 years, the 682-foot Greek tanker GLOBAL HOPE with more than 340,000 gallons of oil aboard, dragged her anchor and grounded in Salem Sound, Massachusetts, about 15 miles from downtown Boston. An estimated 83,000 gallons of oil escaped the stricken vessel to be deposited on two of the most historic and picturesque coastlines of Massachusetts. Some 2.4 million dollars were expended from the federal pollution fund in cleanup efforts. This paper relates the chronology of events and examines peculiar problems, planning, and response activities …
Bulletin 3992 - Nitrogenous Fertilisers For Cereal Production, M. G. Mason
Bulletin 3992 - Nitrogenous Fertilisers For Cereal Production, M. G. Mason
Bulletins - 3000 - 3999
Because fertiliser prices continue to rise, it is becoming increasingly important to understand what affects the response to fertilisers by crops.
Among the many factors influencing crop response to nitrogen applications, the most important are the season, soil type, paddock history, time of application and source of nitrogen. Before deciding whether to use nitrogen on a cereal crop, which source to use and at what rate, the farmer needs some understanding of how these factors work.
Volume 3, Number 3 (March 1979), The Otec Liaison
Volume 3, Number 3 (March 1979), The Otec Liaison
The OTEC Liaison
No abstract provided.
Vole Management Studies-1978, Jay Mcaninch
Vole Management Studies-1978, Jay Mcaninch
Eastern Pine and Meadow Vole Symposia
Earlier studies at the Cary Arboretum (McAninch, 1978) have described mowing and general cultural management practices as key elements in vole management programs. During the 1978 growing season, studies were initiated to quantify several soil parameters and vegetative elements in fruit orchards and correlate these characteristics to the distribution and abundance of vole populations. Although a great deal of additional orchard-vole data has been generated, only the associations described above will be discussed in this paper.
The Endrin Rpar, Lawrence S. Ebner
The Endrin Rpar, Lawrence S. Ebner
Eastern Pine and Meadow Vole Symposia
In July, 1976 the U.S. Environmental Protection Agency issued a "Notice of Rebuttable Presumption Against Registration and Continued Registration of Pesticide Products Containing Endrin" (41 Fed. Reg. 31,316). The purpose of this Notice was to initiate an "RPAR" review to determine whether continued usage of endrin, including the use of endrin for vole control, poses a "substantial question of safety" necessitating cancellation proceedings under Section 6(b) of the Federal Insecticide, Fungicide and Rodenticide Act ("FIFRA").
Regional Tectonics And Seismicity Of Eastern Nebraska, R. R. Burchett
Regional Tectonics And Seismicity Of Eastern Nebraska, R. R. Burchett
School of Natural Resources: Faculty Publications
This annual report presents and interprets the information obtained by the Conservation and Survey Division (Nebraska Geological Survey) during contract year July 1, 1979, to June 30, 1980, under contract NRC-04-76-3l5 with the U. S. Nuclear Regulatory Commission. The information pertains to the geology, structure, tectonics, and seismicity of eastern Nebraska with emphasis on the vicinity south of Omaha, Nebraska. Some of the information presented here results from a combination of studies begun in earlier years but the greater part results from studies begun during the contract year.
The scope of the studies is summarized as follows:
1. Rock outcrops …
Cryptobiosis And Its Effect On Metabolism And Production Estimates Of Desert Nematodes, D. W. Freckman
Cryptobiosis And Its Effect On Metabolism And Production Estimates Of Desert Nematodes, D. W. Freckman
Memorandum
No abstract provided.
Clustar And Clustid: Programs For Hierarchical Cluster Analysis, K. A. Marshall, H. C. Romesburg
Clustar And Clustid: Programs For Hierarchical Cluster Analysis, K. A. Marshall, H. C. Romesburg
Memorandum
No abstract provided.
Meteorology Of Major Storms In Western Colorado And Eastern Utah, U.S. Department Of Commerce
Meteorology Of Major Storms In Western Colorado And Eastern Utah, U.S. Department Of Commerce
Elusive Documents
No abstract provided.
Volume 3, Number 1 (January 1979), The Otec Liaison
Volume 3, Number 1 (January 1979), The Otec Liaison
The OTEC Liaison
No abstract provided.
Nitrogen Cycling In Great Basin Desert Soils, J. Skujins, B. Klubek
Nitrogen Cycling In Great Basin Desert Soils, J. Skujins, B. Klubek
Memorandum
No abstract provided.