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Articles 1 - 30 of 79
Full-Text Articles in Physical Sciences and Mathematics
Fifth Great Plains Wildlife Damage Control Workshop: Proceedings -- Frontmatter And Contents
Fifth Great Plains Wildlife Damage Control Workshop: Proceedings -- Frontmatter And Contents
Great Plains Wildlife Damage Control Workshop Proceedings
WORKSHOP CHAIRPERSONS
Ron J. Johnson — Extension Wildlife Specialist, Department of Forestry, Fisheries and Wildlife, University of Nebraska - Lincoln
Robert M. Timm - - Extension Vertebrate Pest Specialist, Department of Forestry, Fisheries and Wildlife, University of Nebraska - Lincoln
POSTER SESSION CHAIRPERSON
Ronald M. Case — Professor, Department of Forestry, Fisheries and Wildlife, University of Nebraska - Lincoln
PANEL AND SESSION CHAIRPERSONS
William D. Fitzwater — Director, bioLOGIC Consultants, Albuquerque, New Mexico
Roger E. Gold — Coordinator, Environmental Programs, University of Nebraska - Lincoln
Walter E. Howard — Professor and Ecologist, Wildlife and Fisheries Biology, University of California, Davis …
Efficacy And Costs Of Four Rodenticides For Controlling Columbian Ground Squirrels In Western Montana, Steven W. Albert, C. Raymond Record
Efficacy And Costs Of Four Rodenticides For Controlling Columbian Ground Squirrels In Western Montana, Steven W. Albert, C. Raymond Record
Great Plains Wildlife Damage Control Workshop Proceedings
Efficacy and costs of four rodenticides for the control of Columbian ground squirrels were compared in western Montana. Reductions in surface ground squirrel activity and costs per 100 burrows treated for the various treatments were: 1080 oat groats 99.6%-$3.11, gas cartridges 72.2%-$26.57, strychnine oats 64.2%-$3.06, zinc phosphide cabbage 60.9%-$8.48, zinc phosphide oats 41.3%-$3.15, and strychnine cabbage 14.4%-$9.58. Surface deaths associated with 1080 amounted to 2.35 ground squirrels per 100 burrows treated. Above ground death rates for the remaining treatments were negligible or nonexistent for both target and non-target species. One white-footed deer mouse was found dead on the strychnine cabbage …
Bird-Vectored Diseases, P.M. Gough, J.W. Beyer
Bird-Vectored Diseases, P.M. Gough, J.W. Beyer
Great Plains Wildlife Damage Control Workshop Proceedings
Although property damage and losses can be inflicted by wild birds throughout the entire year, avian-vectored diseases of livestock are primarily a winter phenomenon in the Great Plains states. Reasons for this include the following: (1) During the winter season the birds congregate in flocks of sufficient size to be of epidemiologic significance. (2) There is a high degree of interaction between birds and livestock only when limited food induces the birds to forage among confined animals and when adverse weather forces the birds to seek shelter in housing units for livestock. (3) Colder temperatures increase the time of survival …
Outwitting The House Sparrow [Passer Domesticus (Linnaeus)], William D. Fitzwater
Outwitting The House Sparrow [Passer Domesticus (Linnaeus)], William D. Fitzwater
Great Plains Wildlife Damage Control Workshop Proceedings
With the decline of house sparrow populations during the first quarter of this century, control research attention shifted to other avian species so little new is available on either life history studies or management. Solutions to animal damage control problems are generally through (1) environmental controls, (2) protection of crops and/or sites, and (3) population reduction. In the case of sparrow problems, environmental controls are of limited application as the birds prefer the habitat modifications made by man. Protection of crops or sites relies on repellents which are generally ineffective against this particular species. The only viable population level controls …
Ipm - An Overview, R.E. Gold
Ipm - An Overview, R.E. Gold
Great Plains Wildlife Damage Control Workshop Proceedings
Integrated Pest Management (IPM) is a term that is widely used, but little understood. The Federal Interagency IPM Coordinating Committee adopted the description of IPM as "a systems approach to reduce pest damage to tolerable levels through a variety of techniques, including predators and parasites, genetically resistant hosts, natural environmental modifications and, when necessary and appropriate, chemical pesticides." Essentially, the ultimate goal of IPM programs is to reduce pest populations to "tolerable levels". This may be a departure from more traditional approaches to pest control that advocated the elimination or eradication of pest populations. Another postulate of IPM is that …
Pyrotechnics For Bird Control, Geral L. Long
Pyrotechnics For Bird Control, Geral L. Long
Great Plains Wildlife Damage Control Workshop Proceedings
It is a little disputed fact that each year birds cause damage through crop depredation, roosting activities, and bird/aircraft strike damage with occasionally associated loss of life . Stephen (1961) cites an article by Elkins (1957) which said ducks cause millions of dollars of loss to barley, oats, and wheat crops in Canadian prairies. Damage to ripening cereal grain crops in the western United States is one of the most widespread bird problems (DeGrazio 1964). Zajanc (1962) reports these losses are estimated at $15 million annually in three western states alone where blackbirds feed in fields of rice, corn, small …
Future Of Pesticides In Vertebrate Pest Control, Rex E. Marsh
Future Of Pesticides In Vertebrate Pest Control, Rex E. Marsh
Great Plains Wildlife Damage Control Workshop Proceedings
The present state-of-the-art provides little information which would lead to the conclusions that animal damage control will take a new direction away from chemicals. Hence, vertebrate pesticides whether toxicants or repellents will remain essential components of integrated pest management programs. The future of vertebrate pesticides is far from being bright, but current developments offer some good reasons to remain optimistic. The various factors which influence the development of new vertebrate pesticides (principally rodenticides) are discussed along with projections of stable as well as changing trends. Speculation on the future of vertebrate pesticides may provide tentative directions for some and forecast …
Opening Comments And Extension's Role In Nebraska, Leo E. Lucas
Opening Comments And Extension's Role In Nebraska, Leo E. Lucas
Great Plains Wildlife Damage Control Workshop Proceedings
I would like to echo Dr. Massengale's comments in welcoming you to Nebraska. We are pleased to have you here. Nebraska is a major agricultural state. Ninety-seven percent of the land is privately owned and most of it is in agricultural production of one type or another. Nebraska ranks fifth in total receipt sales of Ag products. Nebraska ranks second in the nation in numbers of cattle on feed, fourth in cash receipts from all livestock marketing, first in production of great northern beans, popcorn and alfalfa meal, and fourth in corn production. Agriculture is important to the state's economy.
L:Egal Problems Of Bird Damage Control - Protected Species And Practical Solutions, Ronald D. Ogden
L:Egal Problems Of Bird Damage Control - Protected Species And Practical Solutions, Ronald D. Ogden
Great Plains Wildlife Damage Control Workshop Proceedings
Legal problems in bird damage control can occur from two directions. First, most birds are protected by federal law; all birds are protected by some states and all birds can be protected by local governing agencies. Second, the method of control may be restricted by state or local governments. Some states require permits to use toxicants; shooting is prohibited in some areas by local government. The only practical solution is to know the federal and state regulations pertaining to each individual project and to check each time with local agencies for further restrictions. A federal permit is required to trap …
Computers And Vertebrate Pest Control, Terrell P. Salmon, Dennis C. Stroud, Aileen Kennedy
Computers And Vertebrate Pest Control, Terrell P. Salmon, Dennis C. Stroud, Aileen Kennedy
Great Plains Wildlife Damage Control Workshop Proceedings
Computers are affordable and usable by most individuals involved in vertebrate pest control. Their value as a research tool for vertebrate pest population modeling has been proposed; however, few, if any, are being used for field operations. Despite their ecological limitations, simulating models have been developed that are useful in wildlife management, including wildlife pest problems. Improvement of these or similar models could answer questions such as population effects from a control program, proper timing of control, and the impact of control on non-target species. Vertebrate pest control information can also be stored, retrieved and disseminated via the computer. The …
A Vertebrate Ipm Project In Nebraska, Robert M. Timm
A Vertebrate Ipm Project In Nebraska, Robert M. Timm
Great Plains Wildlife Damage Control Workshop Proceedings
An Integrated Pest Management project in Nebraska is assisting farmers, particularly pork producers, in controlling damage caused by Norway rats, house mice, house sparrows, and starlings. This extension program also provides information on control of pocket gophers in alfalfa and on rangelands. Integrated control recommendations include rodent- and bird-proof construction, limitation of food and shelter, traps, and toxicants (rodenticides and avicides). The project is attempting to gather data on economic damage, including structural damage to confinement buildings, caused by these pests. This information will be used to assist producers in deciding when to initiate control.
Fifth Great Plains Wildlife Damage Control Workshop, Robert M. Timm, Ron J. Johnson
Fifth Great Plains Wildlife Damage Control Workshop, Robert M. Timm, Ron J. Johnson
Great Plains Wildlife Damage Control Workshop Proceedings
Proceedings Fifth Great Plains Wildlife Damage Control Workshop Contents
Poster Session Abstracts
Great Plains Wildlife Damage Control Workshop Proceedings
Poster Abstracts include:
● FURBEARER TRAPPER-HUNTER EDUCATION IN KANSAS
EDWARD K. BOGGESS and F. ROBERT HENDERSON, Cooperative Extension Service, Kansas State University
● A FLOW CHART FOR HOUSE MOUSE CONTROL
DARYL D. FISHER and ROBERT M. Timm, Department of Forestry, Fisheries and Wildlife, University of Nebraska–Lincoln
● BIRD DRAMAGE CONTROL AND DISPERSAL RECORDINGS
RON J. JOHNSON and ROBERT H. SCHMIDT, Department of Forestry, Fisheries and Wildlife, University of Nebraska–Lincoln
● GROUND SQUIRREL CONTROL IN NEWLY PLANTED GRAlN FIELDS
ANN E. KOLHLER and RON J. JOHNSON, Department of Forestry. Fisheries and Wildlife, University of Nebraska–Lincoln
● WOODPECKER DAMAGE TO HOUSES AND …
Repellents For Deer And Rabbits, Edward K. Boggess
Repellents For Deer And Rabbits, Edward K. Boggess
Great Plains Wildlife Damage Control Workshop Proceedings
Rabbit and deer damage to newly planted trees is a serious problem in many areas of western Kansas and throughout much of the Great Plains. This problem is particularly serious in the establishment of new windbreak and shelterbelt plantings.
U.S. Fish And Wildlife Service Coyote Control Research, Guy Connolly
U.S. Fish And Wildlife Service Coyote Control Research, Guy Connolly
Great Plains Wildlife Damage Control Workshop Proceedings
This paper reviews recent research by the Denver Wildlife Research Center, Section of Predator Management Research, on chemical and lethal coyote control methods. Steel trap modifications, aerial shooting, den hunting, the M-44 (spring-loaded sodium cyanide ejector), toxic and nontoxic baits, the toxic collar, other livestock-borne toxicants, development of new toxicants, and aversive conditioning with lithium chloride are discussed. No new, lethal coyote control method has been implemented into practical use over the past decade, but toxic baits and den hunting were lost or banned from use in the Federal-Cooperative Animal Damage Control Program. One new technique, the toxic collar, may …
A Review Of Prairie Dog Diet And Its Variability Among Animals And Colonies, Kathleen A. Fagerstone
A Review Of Prairie Dog Diet And Its Variability Among Animals And Colonies, Kathleen A. Fagerstone
Great Plains Wildlife Damage Control Workshop Proceedings
After almost 70 years of decline, prairie dog numbers are increasing in many western states. As populations expand, it becomes increasingly important to clarify the degree of competition between prairie dogs and livestock. A review of studies on prairie dog food habits shows variable results. Prairie dogs frequently eat the same plant species as cattle and their activities may cause a decrease in grasses normally considered good livestock forage and an increase in forb cover. However, in some instances, prairie dogs may be beneficial to rangeland; plant species diversity and protein content of forage are often greater on prairie dog …
Prairie Dog Dispersal In Wind Cave National Park: Possibilities For Control, Monte G. Garrett, William L. Franklin
Prairie Dog Dispersal In Wind Cave National Park: Possibilities For Control, Monte G. Garrett, William L. Franklin
Great Plains Wildlife Damage Control Workshop Proceedings
A study was conducted in Wind Cave National Park, South Dakota, to collect basic information on black-tailed prairie dog (Cynomys ludovicianus) dispersal and to test alternative control techniques. Dispersal occurred during a limited time period in late spring, involved both male and female prairie dogs, and resulted in relatively short movements and poor survivorship. The use of artificial visual barriers to inhibit colony expansion was effective but difficult to apply. The use of diethylstilbestrol as a temporary anti-fertility agent was shown to be an easy and effective method to reduce prairie dog reproduction and decrease colony expansion.
Bison Depredation On Grain Fields In Interior Alaska, Philip S. Gipson, Jay D. Mckendrick
Bison Depredation On Grain Fields In Interior Alaska, Philip S. Gipson, Jay D. Mckendrick
Great Plains Wildlife Damage Control Workshop Proceedings
The reported value of grain damaged by bison (Bison bison) may exceed $100,000 annually in the vicinity of Delta Junction, Alaska. This paper reviews the history and present status of bison and their relations to agriculture around Delta Junction. A number of management options are discussed that may reduce conflicts between bison enthusiasts and farmers.
Controlling Problem Pocket Gophers And Moles, F. Robert Henderson
Controlling Problem Pocket Gophers And Moles, F. Robert Henderson
Great Plains Wildlife Damage Control Workshop Proceedings
Two small mammals, pocket gophers and moles, spend most of their lives underground and can cause a lot of concern and frustration to people above ground. The pocket gopher and mole, while engaging in their daily activities, leave their telltale marks on lawns and gardens, on golf courses, parks, cemeteries, and on alfalfa fields and rangelands. Sometimes they damage irrigation canals and dikes and chew into underground cables. They can also create root damage to young trees.
Prairie Dogs And Their Influence On Rangeland And Livestock, Robert M. Hyde
Prairie Dogs And Their Influence On Rangeland And Livestock, Robert M. Hyde
Great Plains Wildlife Damage Control Workshop Proceedings
The prairie dog (Cynomys) has been cussed, discussed, protected, exploited, credited with doing many good things and accused of being completely bad. He is at least a controversial Great Plains inhabitant. The prairie dog has been credited with adding significant amounts of organic matter to the soil profile through burrowing, clipping and feces deposition. Really the 35 to 40 pounds of organic matter per acre per year added to the soil profile by prairie dogs is rather insignificant especially when one considers that amount throughout a 5 to 7 foot soil profile and that the organic matter added isn't well …
The Potential Dollar Value Of Tree Loss In Orchards, George W. J. Laidlaw
The Potential Dollar Value Of Tree Loss In Orchards, George W. J. Laidlaw
Great Plains Wildlife Damage Control Workshop Proceedings
Rising costs have increased the need to re-evaluate the attributes which influence profit or lack of it . People are no longer willing to accept loss when cost-benefit information allows the farmer or orchardman to appreciate the repercussions associated with mismanagement.
Usda And Animal Damage Control, James O. Lee Jr.
Usda And Animal Damage Control, James O. Lee Jr.
Great Plains Wildlife Damage Control Workshop Proceedings
I appreciate the opportunity to appear before your group to express the views of the Department of Agriculture concerning animal damage control. The Department of Agriculture strongly supports and recognizes the need for immediate animal damage control to reduce livestock losses. It sees the need for—and supports--an animal damage control program that both uses existing methods and develops new and more selective ones and, at the same time, protects the environment.
Welcome, Martin A. Massengale
Welcome, Martin A. Massengale
Great Plains Wildlife Damage Control Workshop Proceedings
It's a real pleasure to welcome you to the University of Nebraska - Lincoln this morning. I see many people here that I know have come from numerous states across this part of the country. We welcome you. I'm sorry we don't have a sunny Lincoln to welcome you to, but I’m sure that if you've come from this part of the country, you welcome the moisture whenever it arrives.
Prairie Dog Density And Cattle Grazing Relationships, Daniel W. Uresk, James G. Maccracken, Ardell J. Bjugstad
Prairie Dog Density And Cattle Grazing Relationships, Daniel W. Uresk, James G. Maccracken, Ardell J. Bjugstad
Great Plains Wildlife Damage Control Workshop Proceedings
Blacktail prairie dogs (Cynomys ludovicianus) were more abundant (P < 0.01) in areas of southwestern South Dakota heavily grazed by cattle than in areas where cattle were excluded. Results suggest that periodic exclusions or reduced cattle stocking rates, in combination with control programs, help regulate prairie dog population increase and expansion as indexed by burrow counts.
Coyote Management: A Rationale For Population Reduction, Dale A. Wade
Coyote Management: A Rationale For Population Reduction, Dale A. Wade
Great Plains Wildlife Damage Control Workshop Proceedings
Historic and anecdotal information on coyote depredation and population control is presented, with case histories from specific areas. Population reduction methods, their application and their limitations are described. Situations in which coyote population management is desirable and some of the restrictions imposed by laws and regulations are discussed.
A Common Sense Approach To Commensal Rodent Control, Edward F. Marshall
A Common Sense Approach To Commensal Rodent Control, Edward F. Marshall
Great Plains Wildlife Damage Control Workshop Proceedings
More than once the phrase has been heard, "I don't know what's in your bait, I don't have time to read the label, but it sure does work good." To be quite frank, a pest control operator (PCO) or for that matter, any pesticide user cannot afford not to read and understand pesticide labels. Commensal rodent control has been practiced for centuries, utilizing a variety of devices and poisons. However, in the last three decades new toxicants and bait forms have been developed, but are not fully understood. It is of great importance that first we take a common sense …
Management Of Black-Tailed Prairie Dogs On The National Grasslands, Greg L. Schenbeck
Management Of Black-Tailed Prairie Dogs On The National Grasslands, Greg L. Schenbeck
Great Plains Wildlife Damage Control Workshop Proceedings
Black-tailed prairie dogs (Cynomys ludovicianus) occupy approximately 22,800 ha on 11 National Grasslands in the West. Prairie dog control has been implemented on 5 National Grasslands and is planned for 1 additional National Grassland. A unique prairie dog management program in the Conata Basin area of the Buffalo Gap National Grassland is highlighted in this report. Conata Basin is a major prairie dog area and attempts are being made to control prairie dogs while trying to maintain habitat for the black-footed ferret (Mustela nigripes). Repopulation of treated colonies has been a major and costly problem in Conata Basin, and it …
Keynote Address - Wildlife Damage Control And The Cooperative Extension Services, James E. Miller
Keynote Address - Wildlife Damage Control And The Cooperative Extension Services, James E. Miller
Great Plains Wildlife Damage Control Workshop Proceedings
Since the establishment of the Extension Service within the United States Department of Agriculture in 1914, in accordance with the mandate of the Smith-Lever Act, Extension personnel have recognized the need and responsibility to provide educational programs to assist clientele both rural and urban. These programs from the "grass roots" level to the Federal level are based on the "long established premise that assisting people with factual, effective and practical educational programs to help them solve problems, evaluate alternatives and make objective decisions, would provide these people with information that would enable them to help themselves. Wildlife damage control was …
Commercial Exhibitors & Workshop Participants -- Fifth Great Plains Wildlife Damage Control Workshop
Commercial Exhibitors & Workshop Participants -- Fifth Great Plains Wildlife Damage Control Workshop
Great Plains Wildlife Damage Control Workshop Proceedings
A total of 10 firms and 120 people registered. They came from 30 states, the District of Columbia, and two Canadian provinces.
Panel Discussion: Ecology And Management Of Prairie Dogs, James L. Stubbendieck
Panel Discussion: Ecology And Management Of Prairie Dogs, James L. Stubbendieck
Great Plains Wildlife Damage Control Workshop Proceedings
Questions and answers: Monte G. Garrett, Kathleen A. Fagerstone, Greg L. Schenbeck