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Environmental Sciences

Great Plains Wildlife Damage Control Workshop Proceedings

1995

Articles 31 - 41 of 41

Full-Text Articles in Physical Sciences and Mathematics

Controlling Nuisance Egret And Heron Rookeries In Oklahoma, Kevin R. Grant, James Watson Apr 1995

Controlling Nuisance Egret And Heron Rookeries In Oklahoma, Kevin R. Grant, James Watson

Great Plains Wildlife Damage Control Workshop Proceedings

Native egrets (Egretta spp.) and herons (Nyticorax spp.) maintain rookeries throughout Oklahoma. With the appearance of cattle egrets (Bubulcus ibis) in North America, nuisance problems have occurred with the creation and expansion of rookeries near human populations. Egrets and herons, their nests, eggs, and rookery habitat are protected by the Migratory Bird Treaty Act. Damage associated with Oklahoma rookeries are nuisance noise, nuisance odor, potential disease threats, decline of vegetation (guanotrophy), displaced fledglings, and air strike hazards. Proven nuisance rookery control includes habitat alterations (tree thinning), noise harassment with pyrotechnics and propane exploders, shooting to reinforce …

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Using Telemetry Equipment For Monitoring Traps And Snares, Thomas D. Halstead, Kenneth S. Gruver, Robert L. Phillips, Richard E. Johnson Apr 1995

Using Telemetry Equipment For Monitoring Traps And Snares, Thomas D. Halstead, Kenneth S. Gruver, Robert L. Phillips, Richard E. Johnson

Great Plains Wildlife Damage Control Workshop Proceedings

Specialized radio transmitters were developed for use in monitoring large mammal trap and snare activity. Prototype devices were manufactured by 4 wildlife telemetry companies based on specifications we developed in consultation with electronic engineering personnel. Power outputs from individual transmitters ranged from 10 to 100 milliwatts (mw). Range testing in the gently rolling terrain of northeastern Colorado indicated that ground-tracking distances with truck-mounted dual beam antennas exceeded 40 km. Field tests were conducted using transmitters with traps and foot snares set for coyotes (Canis latrans) in California, black bears (Ursus americanus) in Oregon, and mountain lions …

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Deer Exclusion Efforts To Reduce Crop Damage In Michigan And Northeast Wisconsin, Jim Isleib Apr 1995

Deer Exclusion Efforts To Reduce Crop Damage In Michigan And Northeast Wisconsin, Jim Isleib

Great Plains Wildlife Damage Control Workshop Proceedings

A random sample of 93 deer-fenced farms in northern Lower and Upper Michigan and northeast Wisconsin and 250 non-deer-fenced farms in 5 Upper Michigan counties with high white-tailed deer (Odocoileus virginianus) populations was surveyed by mail using 2 different questionnaires. High-tensile electric was the most commonly used type of deer exclusion fence. A 1.8 m (6 ft) height apparently provided the best balance between effectiveness, cost, and ease of installation. Fence users perceived that 2.4 m (8 ft) woven wire was most effective. However, the high cost of installation limited widespread use. Other types of fence with inconsistent …

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Curbing The Illegal Use Of Pesticides In Predator Control, Jeff Jacoby, Martin Fletcher, Ted Warfield Apr 1995

Curbing The Illegal Use Of Pesticides In Predator Control, Jeff Jacoby, Martin Fletcher, Ted Warfield

Great Plains Wildlife Damage Control Workshop Proceedings

In June 1993, the Agricultural Products Group of FMC responded to reports of alleged illegal, off-label use of its product Furadan 4F and other pesticide products in baiting and poisoning predators. The target of these reported illegal carcass-baiting incidents were principally coyotes (Canis latrans), which cause significant losses to the sheep industry. The FMC undertook an effort to determine the scope of the problem and how best to address the issue. This included conducting extensive measurable research among sheep ranchers and agrichemical dealers in 4 selected pilot states: Colorado, Montana, South Dakota, and Wyoming. Qualitative interviews were also …

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Financial Compensation For Wildlife Damage: A Review Of Programs In North America, Kimberly K. Kessler Apr 1995

Financial Compensation For Wildlife Damage: A Review Of Programs In North America, Kimberly K. Kessler

Great Plains Wildlife Damage Control Workshop Proceedings

Financial compensation is 1 of several management options proposed as alternatives to traditional wildlife damage management techniques. However, little is known about compensation programs currently in place. I surveyed United States and Canadian fish and wildlife programs to obtain information on the species causing damage, type of damage, extent of reimbursement, and budget for wildlife damage compensation programs. Of the 58 respondents, 36% have a compensation program, and 64% loan equipment and/or provide supplies for wildlife damage management. Programs compensating landowners for damage caused by deer (Odocoileus spp.), black bear (Ursus americanus), elk (Cervus elaphus), …

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Wedelia: A Potential Ground Cover For Reducing The Attractiveness Of Tropical Airfields To Birds, Michael A. Linnell, Michael R. Conover, Tim J. Ohashi Apr 1995

Wedelia: A Potential Ground Cover For Reducing The Attractiveness Of Tropical Airfields To Birds, Michael A. Linnell, Michael R. Conover, Tim J. Ohashi

Great Plains Wildlife Damage Control Workshop Proceedings

Airport environments frequently provide ideal feeding and loafing habitats for many bird species. Bird strikes at most airports involve predominantly insectivorous species. However, the Lihue Airport on the island of Kauai, Hawaii has had a severe problem with bird strikes involving 4 granivorous species: the zebra dove (Geopelia striata), spotted dove (Streptopelia chinensis), chestnut mannikin (Lonchura malacca), and nutmeg mannikin (L. punctulato). Two owl species, the common barn owl (Tyto alba) and Hawaiian short-eared owl (Asio flammeus sandwhichensis), have also been involved in aircraft collisions at Lihue. Shooting …

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An Evaluation Of Oklahoma's Depredation Program For Handling Deer Damage To Agricultural Crops, Michael G. Shaw Apr 1995

An Evaluation Of Oklahoma's Depredation Program For Handling Deer Damage To Agricultural Crops, Michael G. Shaw

Great Plains Wildlife Damage Control Workshop Proceedings

A stepwise approach was developed in 1993 to handle agricultural damage complaints caused by white-tailed deer (Odocoileus virginianus). Results from 2 seasons were evaluated to determine the effectiveness of the procedures implemented. Approximately half of the damage complaints received were handled by prescribing non-lethal techniques such as fencing, harassment, and repellents. The remainder of the complaints required 1 or more types of lethal control. Although doe harvest rates were similar under the 2 permit options, Damage Control Assistance Permits (DCAP) provided several distinct advantages over out of season shooting using Depredation Permits (DEPR). The DCAP permits increased hunting …

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Feral Hogs In The Rolling Plains Of Texas: Perspectives, Problems, And Potential, Douglas R. Tolleson, William E. Pinchak, Dale Rollins, Leland J. Hunt Apr 1995

Feral Hogs In The Rolling Plains Of Texas: Perspectives, Problems, And Potential, Douglas R. Tolleson, William E. Pinchak, Dale Rollins, Leland J. Hunt

Great Plains Wildlife Damage Control Workshop Proceedings

Feral hogs (Sus scrofa) have expanded their territory in Texas and are now found in all but the extreme western portions of the state. Perhaps the most dramatic expansion has occurred in the Rolling Plains of northwest Texas. Perspectives on feral hogs range from definitely for to adamantly against. Problems encountered with feral hogs include: (1) damage to crops and livestock, or facilities and equipment, (2) transmission of disease to humans and livestock, or (3) interaction with native wildlife including competition for available resources, depredation and destruction of habitat. The feral hog is also an animal with economic …

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Wyoming's M-44 Program: An Overview And Assessment Of Private And Commercial Applicators, Henry R. Uhden Apr 1995

Wyoming's M-44 Program: An Overview And Assessment Of Private And Commercial Applicators, Henry R. Uhden

Great Plains Wildlife Damage Control Workshop Proceedings

Wyoming's legislation funding predator control has progressed from a bounty system, to a mill levy system, to the current fee assessment per head. The Wyoming Department of Agriculture administers an M-44 predator control program for private and commercial applicators' use with livestock depredators. As predatory impacts on livestock have increased, use of M- 44 has also broadened. The M-44 is a mechanical device utilizing a spring-activated ejector, that propels the dry toxicant sodium cyanide into the mouth of the target species when pulled. Death of the animal is accomplished by inhalation of hydrogen cyanide which forms when sodium cyanide comes …

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Private Beaver Management In Oklahoma, Julianne Whitaker Apr 1995

Private Beaver Management In Oklahoma, Julianne Whitaker

Great Plains Wildlife Damage Control Workshop Proceedings

The Oklahoma Department of Wildlife Conservation (ODWC) estimated the state's beaver (Castor canadensis) population at 1,245 animals in 1951-52. That same year, ODWC relocated 29 beaver from 5 western counties to Department lands in 4 eastern counties. Beaver populations in Oklahoma have since grown as a result of changes in available habitat. In response to the growing number of beavers, ODWC opened an annual beaver season from 1 December to 31 January, in 1960-1961. The season was opened year-round in 1983. Although beaver activities benefit many wildlife species, their activities have had a negative economic impact on the …

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Livestock Herding Dogs: A Unique Application For Wildlife Damage Management, Roger A. Woodruff, Jeffrey S. Green Apr 1995

Livestock Herding Dogs: A Unique Application For Wildlife Damage Management, Roger A. Woodruff, Jeffrey S. Green

Great Plains Wildlife Damage Control Workshop Proceedings

Canada geese (Branta canadensis) and white-tailed deer (Odocoileus virginianus) have caused increasing problems for people both in urban and agricultural environments. In many instances, traditional methods of resolving conflicts caused by these species have proven ineffective or impractical. Some property owners and others have begun to use livestock herding dogs to haze geese and other wildlife from areas where they are not wanted. We report on the applications and effectiveness of this technique as employed on golf courses, farms, and other areas. The use of trained herding dogs appears to be a feasible and effective method …

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