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Articles 45991 - 46020 of 52499
Full-Text Articles in Physical Sciences and Mathematics
Water Resources Review - November 1989, Annis Water Resources Institute
Water Resources Review - November 1989, Annis Water Resources Institute
AWRI Reviews
No abstract provided.
The Probe, Issue 97 - November 1989
The Probe, Issue 97 - November 1989
The Probe: Newsletter of the National Animal Damage Control Association
THE PROBE National Animal Damage Control Association
NOVEMBER 1989
APHIS Activity Report
Letters to Ye Ed
Animal Rights
The Humane Society
Personnel
Freeze Dirt
Coyotes are Dangerous
Water Conservation Through Irrigation Technology, Donald H. Negri, John J. Hanchar, United States Department Of Agriculture, Economic Research Service
Water Conservation Through Irrigation Technology, Donald H. Negri, John J. Hanchar, United States Department Of Agriculture, Economic Research Service
All U.S. Government Documents (Utah Regional Depository)
Improved irrigation technology and advanced farm management practices offer an opportunity for agriculture to use water more efficiently. Farmers may install new equipment, such as drip irrigation systems, or adopt advanced water management practices to conserve water without sacrificing crop yields. While farmers' decision to adopt water-saving irrigation technology responds to the cost of water, physical properties of the land such as topography or soil properties of the land such as topography or soil texture dominate the choice of irrigation technology.
Herring Gulls, Larus Argentatus, Nesting On Sandusky Bay, Lake Erie, 1989, Richard A. Dolbeer, P.P. Woronecki, T. W. Seamans, B. N. Buckingham, E. C. Cleary
Herring Gulls, Larus Argentatus, Nesting On Sandusky Bay, Lake Erie, 1989, Richard A. Dolbeer, P.P. Woronecki, T. W. Seamans, B. N. Buckingham, E. C. Cleary
United States Department of Agriculture Wildlife Services: Staff Publications
One of the largest herring gull (Larus argentatus} nesting populations on the Great Lakes is located in an urban setting on Sandusky Bay in the Ohio portion of Lake Erie. The survey reported here, carried out in 1989, indicated a population of 4,250 nests. The population has expanded from a focal point on Turning Point Island to coal piles at the Lower Lake Dock Company, rooftops in downtown Sandusky and breakwalls near Cedar Point. Comparison with data from a survey performed in 1976 indicates the population has grown at an average annual rate of 11.9% during the past 13 years. …
Agenda: New Challenges For Environmental Protection: Second Sino-American Conference On Environmental Law, University Of Colorado Boulder. Natural Resources Law Center
Agenda: New Challenges For Environmental Protection: Second Sino-American Conference On Environmental Law, University Of Colorado Boulder. Natural Resources Law Center
New Challenges for Environmental Protection: Second Sino-American Conference on Environmental Law (October 12-13)
Workshop held Sept. 18-19, 1989; conference held Oct. 12-13, 1989, in Boulder, Colorado.
Conference speakers included University of Colorado School of Law professors Daniel Barstow Magraw and Lawrence J. MacDonnell.
Contents of papers from workshop and conference:
To protect developing city by the enactment of local laws and regulations / Wu Zilin -- Legislative control of air pollution & water pollution of the P.R.China / Xiao Longan -- The law of natural conservation in China / Ma Xiang-cong -- 'Weighing environmental risks : EPA's unfinished business', Environment, vol. 30, no. 6, July/August 1988, p. 14-17, 34-39 / Richard Morgenstern, Stuart …
The United States Experience With Air Pollution Control, A. Dan Tarlock
The United States Experience With Air Pollution Control, A. Dan Tarlock
New Challenges for Environmental Protection: Second Sino-American Conference on Environmental Law (October 12-13)
4 pages.
To Protect Developing City By The Enactment Of Local Laws And Regulations, Zilin Wu
To Protect Developing City By The Enactment Of Local Laws And Regulations, Zilin Wu
New Challenges for Environmental Protection: Second Sino-American Conference on Environmental Law (October 12-13)
13 pages.
Legislative Control Of Air Pollution & Water Pollution Of The P.R. China, Longan Xiao
Legislative Control Of Air Pollution & Water Pollution Of The P.R. China, Longan Xiao
New Challenges for Environmental Protection: Second Sino-American Conference on Environmental Law (October 12-13)
10 pages.
The Law Of Natural Conservation In China, Xiang-Cong Ma
The Law Of Natural Conservation In China, Xiang-Cong Ma
New Challenges for Environmental Protection: Second Sino-American Conference on Environmental Law (October 12-13)
19 pages.
International Environmental Issues [Outline], Zheng-Kang Cheng, Daniel Magraw
International Environmental Issues [Outline], Zheng-Kang Cheng, Daniel Magraw
New Challenges for Environmental Protection: Second Sino-American Conference on Environmental Law (October 12-13)
2 pages.
The Marine Environmental Protection Law Of The People’S Republic Of China (Chinese Version And Unofficial English Translation), Jianying Ye
New Challenges for Environmental Protection: Second Sino-American Conference on Environmental Law (October 12-13)
40 pages.
Reconsidering Water Quality Protection In The United States, Lawrence J. Macdonnell
Reconsidering Water Quality Protection In The United States, Lawrence J. Macdonnell
New Challenges for Environmental Protection: Second Sino-American Conference on Environmental Law (October 12-13)
4 pages.
United States Hazardous Waste Law And Policy, A. Dan Tarlock
United States Hazardous Waste Law And Policy, A. Dan Tarlock
New Challenges for Environmental Protection: Second Sino-American Conference on Environmental Law (October 12-13)
3 pages.
The National Environmental Policy Act: No Longer A Teenager, But Not Yet Grown-Up, George W. (Rock) Pring
The National Environmental Policy Act: No Longer A Teenager, But Not Yet Grown-Up, George W. (Rock) Pring
New Challenges for Environmental Protection: Second Sino-American Conference on Environmental Law (October 12-13)
98 pages.
Contains footnotes.
Existing Legal Treatment Of Developing Countries: Differential, Contextual, And Absolute Norms, Daniel Barstow Magraw
Existing Legal Treatment Of Developing Countries: Differential, Contextual, And Absolute Norms, Daniel Barstow Magraw
New Challenges for Environmental Protection: Second Sino-American Conference on Environmental Law (October 12-13)
53 pages.
Contains 11 pages of endnotes.
The Probe, Issue 96 - October 1989
The Probe, Issue 96 - October 1989
The Probe: Newsletter of the National Animal Damage Control Association
THE PROBE National Animal Damage Control Association
OCTOBER 1989
NADCA Executive Board Meeting
4th Eastern Wildlife Damage Control Conference
Membership
Letters to Ye Ed
Animal Rights
Lyme Disease
Personel
APHIS Activity Report
The Rocky Mountain Humane Society
Eagles to be Poison-test Guinea Pigs
NADCA Survey
The Planet, 1989, Fall, Sara Olason, Huxley College Of The Environment, Western Washington University
The Planet, 1989, Fall, Sara Olason, Huxley College Of The Environment, Western Washington University
The Planet
No abstract provided.
Spruce Budworm In Maine: The End Of The Outbreak: Biological Conditions In 1986, 1987, And 1988, And A Look At The Future, Henry Trial Jr.
Spruce Budworm In Maine: The End Of The Outbreak: Biological Conditions In 1986, 1987, And 1988, And A Look At The Future, Henry Trial Jr.
Maine Collection
Spruce Budworm in Maine: The End of the Outbreak: Biological Conditions in 1986, 1987, and 1988, and a Look at the Future
by Henry Trial, Jr., Insect and Disease Management Division
Technical Report No. 28
Maine Forest Service, Dept. of Conservation, Augusta, Maine, October 1989.
Contents: Introduction / Biological Conditions in 1986, 1987, and 1988 / Control Activities / Forest Conditions-1986 to 1988 and a Look at the Future / Spray Operations and Forecast of Conditions in Quebec and New Brunswick, 1986-1988 / The Future of Budworm in the Region and in Maine / List of Figures / List of …
The Search For Medicinal Plants Among Madagascar’S Tsimihety Ethnic Group, Nat Quansah
The Search For Medicinal Plants Among Madagascar’S Tsimihety Ethnic Group, Nat Quansah
Nat Quansah
No abstract provided.
Analysis Of C2 And C3 Hydrocarbons In Ambient Air. Part 1 ; Development Of Simple Analysis For Polycyclic Aromatic Hydrocarbons. Part 2, Li-Li Wu
Theses
SECTION I
A method was developed to analyze C2 and C3 light hydrocarbons: Acetylene, Ethylene, Ethane, Propyne, Propylene and Propane levels in the ambient air. Chlorinated compounds which eluted within the gas chromatograph operation conditions needed for the above hydrocarbons included Freon 12 and Methylene chloride, were also monitored.
Samples were collected from two sites, one located at Carteret and one at Elizabeth New Jersey. Samples were taken from September 1988 through July 1989. The sampling method used stainless steel canisters and was set up to collect 24 hour air samples at a constant flow rate of 30-35 …
A Comparison Study Between The Tenax Trap And The Canister Collection Methods For Determination Of Volatile Organic Compounds, Li-Ching Lillian Hung
A Comparison Study Between The Tenax Trap And The Canister Collection Methods For Determination Of Volatile Organic Compounds, Li-Ching Lillian Hung
Theses
A comparison between the analytical methods for determination of volatile organic compounds, using Tenax GC as an adsorbent and using stainless steel canister collection is made.
Sample collection, analytical system and procedures, data analyses, as well as their fortes and their drawbacks, etc., are discussed.
In addition, a brief description of the developmental history of the above methods as used in the Air Pollution Research Laboratory at the New Jersey Institute of Technology in Newark, New Jersey, is given.
Effects Of Free-Ranging Cats On Wildlife: A Progress Report, J. S. Coleman, S. A. Temple
Effects Of Free-Ranging Cats On Wildlife: A Progress Report, J. S. Coleman, S. A. Temple
Wildlife Damage Management Conference
We have embarked upon a three-year study to determine the density and distribution of free-ranging cats (Felis catus) and their effects on prey populations in rural Wisconsin. The effects of predation by free-ranging cats on wildlife populations are potentially great and have not been adequately accounted for in wildlife management programs. In rural Illinois there was an average of 5.6 free ranging cats per farm (Warner 1985). If densities elsewhere are similar, then a state such as Wisconsin, with over 200,000 active and retired farms, could have over 1 million free-ranging cats on farms. In other studies (Bradt …
Survey Of Mississippi Catfish Farmers On Means, Effort, And Costs To Repel Fish-Eating Birds From Ponds, A. R. Stickley, K. J. Andrews
Survey Of Mississippi Catfish Farmers On Means, Effort, And Costs To Repel Fish-Eating Birds From Ponds, A. R. Stickley, K. J. Andrews
Wildlife Damage Management Conference
Eighty-seven percent of 281 Mississippi catfish farmers felt that fish-eating birds were enough of a problem to warrant harassment. Farmers estimated that they spent an average of 2.6 man-hours per day harassing birds at an average annual cost of $7400. Sixty percent of the farmers who harassed birds did so by driving around the ponds and firing at birds to repel them. Propane exploders and pyrotechnics were also used. Pyrotechnics were judged the most effective repellent technique. The cost of bird harassment according to these farmers is $2.1 million. The value of fish loss to cormorants alone is roughly estimated …
An Automatic Trigger For Bird Frightening Devices, Steve Price, John Adams
An Automatic Trigger For Bird Frightening Devices, Steve Price, John Adams
Wildlife Damage Management Conference
This triggering unit for animal frightening devices was developed because of an expressed need for a more effective method of breaking up starling and grackle roosts. The USDA, Animal Damage Control (ADC) office in Louisville, KY suggested that a device which detected the presence of the birds before activating and then emitted different sounds would be much more effective than single functioning devices on timers. Existing frightening devices have limited effectiveness because the birds become accustom to the repeated and periodic actuations of the same thing over and over again. In November of 1986, Mr. Bernice Constantin, District Supervisor for …
The Effectiveness Of Orco Mole Bait In Controlling Mole Damage, Dale K. Elshoff, Glenn R. Dudderar
The Effectiveness Of Orco Mole Bait In Controlling Mole Damage, Dale K. Elshoff, Glenn R. Dudderar
Wildlife Damage Management Conference
The tunneling damage caused by eastern moles (Scalopus aguaticus) and starnosed moles (Condylura cristata) is well known to professionals in lawn care, golfcourse maintenance, and turfgrass production, as well as many private landowners. Present damage control methods, including trapping, gas and smoke fumigants, and insecticide applications have a wide variety of limitations and prove impractical in some situations. An easily applied mole damage control method is needed that professional and nonprofessional applicators can use in a variety of environmental and physical conditions.
This study tested the effectiveness of Orco Mole Bait, a chlorophacinone pellet placed in …
Depredation Permits For Migratory Birds, Larry L. Hood
Depredation Permits For Migratory Birds, Larry L. Hood
Wildlife Damage Management Conference
All of the native species of birds in the United States are protected by either federal or state laws. Under the Migratory Bird Treaty Act, the federal government has formulated regulations that assist in controlling protected species that cause economic damage or health hazards. These regulations are in Subpoint D of Part 21, Title SO Code of Federal Regulations, and may take the form of standing depredation orders or permits issued to kill those species that cause problems.
An Investigation Of Animal Damage Associated With Maple Syrup Production, J. Alan May, Dennis Slate
An Investigation Of Animal Damage Associated With Maple Syrup Production, J. Alan May, Dennis Slate
Wildlife Damage Management Conference
An increase in the use of plastic tubing systems to collect sap from sugar maples (Acer saccharum) has allowed syrup producers to boost production in recent years, but not without cost. Rodents gnawing on tubing, spouts, and fittings may cause damage in excess of $300,000 annually in Vermont, the largest maple producing state. Red squirrels (Tamiasciurus hudsonicus), gray squirrels (Sciurus carolinensis), and chipmunks (Tamias striatus) appear to be responsible for the majority of damage. Other species including flying squirrels (Glaucomvs sabrinus), white-footed mice (Peromvscus leucopus), porcupines (Erethizon …
Revolution In Bird Control, Air Birdstrike Prevention Inc.
Revolution In Bird Control, Air Birdstrike Prevention Inc.
Wildlife Damage Management Conference
Over 90% of all civil bird strikes in the U.S. occur at altitudes up to 3,000 feet above the ground and in the close vicinity of the airport. Many species of birds are involved, but almost 50% of all strikes involve gulls.
A Review Of The Status Of Bird Management Products And Devices In The United States, Charles W. Areson
A Review Of The Status Of Bird Management Products And Devices In The United States, Charles W. Areson
Wildlife Damage Management Conference
Commercial urban /industrial structural pest bird control is approaching a time of crisis. Several long-standing toxicants that have been used as a major part of pest bird control programs are either suspended, at risk of suspension, or have had their production terminated by the manufacturer. "Environmental groups" are up in arms about the use and misuse of pesticides. Lawsuits have been filed to stop the use of some products, and political pressure has brought about reviews of some pesticide products on both the state and federal levels. EPA has seemed to have a "get tough" policy in its reregistration guidelines, …
Laughing Gulls At Jfk Airport: Safety Hazard Or Wildlife Resource?, R. A. Dolbeer, M. Chevalier, P. P. Woronecki, E. B. Butler
Laughing Gulls At Jfk Airport: Safety Hazard Or Wildlife Resource?, R. A. Dolbeer, M. Chevalier, P. P. Woronecki, E. B. Butler
Wildlife Damage Management Conference
John F. Kennedy International Airport is adjacent to Jamaica Bay Wildlife Refuge administered by the National Park Service. In 1979, 15 pairs of laughing gulls (Larus atricilla) nested on the refuge, the first recolonization of Long Island by this species since the gulls' disappearance from New York around 1900. The colony, with nests as close as 0.4 km to 1 runway, has subsequently increased to about 3,000 pairs. From 1970 to 1978, only 1 laughing gull strike by an aircraft was recorded at JFK. From 1979 through August 1989, 800 strikes were recorded, including 179 in 1989, in spite of …