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Environmental Health and Protection

1997

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Full-Text Articles in Physical Sciences and Mathematics

Emisja Metali Ciężkich Ze Spalania Odpadów Niebezpiecznych, Robert Oleniacz, Marian Mazur, Marek Bogacki Dec 1997

Emisja Metali Ciężkich Ze Spalania Odpadów Niebezpiecznych, Robert Oleniacz, Marian Mazur, Marek Bogacki

Robert Oleniacz

The paper presents the results of measurements of air emissions of heavy metals from hazardous waste incineration in a multiple hearth furnace and a rotary kiln incinerator equipped with a single wet flue gas cleaning systems. In the multiple hearth furnace an industrial sewage sludge (from coke industry) was being incinerated. In the rotary kiln such wastes were being incinerated as: waste paints, varnish and lubricant, coal tars waste, contaminated cleaning rags, sawdust and used gloves, waste resins and plastics, rubber waste, outdated pharmaceuticals and medicines, and hospital waste. The research allowed us to determine the levels of pollutant concentrations …


A Plan For Characterizing Waste For The Defense Special Weapons Agency At The Nevada Test Site, Tiffany A. Hatcher Dec 1997

A Plan For Characterizing Waste For The Defense Special Weapons Agency At The Nevada Test Site, Tiffany A. Hatcher

UNLV Theses, Dissertations, Professional Papers, and Capstones

In 1976, Congress adopted the Resource Conservation and Recovery Act (RCRA) to govern hazardous waste. The Act was amended in 1984 with the Hazardous and Solid Waste Amendments in order to further define the requirements of RCRA. RCRA is meant to protect human health and the environment from the effects of hazardous waste, promote waste minimization, and encourage material recycling and recovery. For this purpose, regulations are implemented that cover every aspect of the hazardous waste problem, including generation, transport, treatment, storage, and disposal.

Generators of waste are the most important part of this chain. As defined in RCRA, a …


The Migration Of Arsenic And Lead In Surface Sediments At Three Kids Mine Henderson, Nevada, Douglas Brian Sims Dec 1997

The Migration Of Arsenic And Lead In Surface Sediments At Three Kids Mine Henderson, Nevada, Douglas Brian Sims

Publications (WR)

This study focused on the distribution of arsenic and lead in surface sediments at Three Kids Mine in Henderson, Nevada. The mine site encompasses approximately 470 acres of desert and is situated above two developing communities (Lake Las Vegas and Calico Ridge) and the Las Vegas Valley's water source (Lake Mead).

Transport of arsenic and lead appears to have occurred within a limited range in both the eastern and western washes on the eastern and western sides of Three Kids Mine. Concentrations of arsenic range between 20 mg/kg (ppm) and 1130 mg/kg and between 20 mg/kg and 8400 mg/kg for …


Development Of An Atmospheric Fluidized Bed Combustor (Afbc), William Orndorff Dec 1997

Development Of An Atmospheric Fluidized Bed Combustor (Afbc), William Orndorff

Masters Theses & Specialist Projects

The relatively recent interest in the U.S. in the development of atmospheric fluidized bed combustion (AFBC) has been preceded by two main factors. First of these is the ever present problem of acid rain and growing public support for cleaner burning fossil fuels. Second is the increasing demand on public landfills and subsequent need for burning of municipal solid waste. From these factors and their corresponding influences, Western Kentucky University has the impetus and has received the financial assistance necessary to build and develop a laboratory scale AFBC system. A brief history of the events leading to this development, as …


The Legal Roles And Responsibilities Of A Community Concerning Crop Depredation By White-Tailed Deer, Eric G. Darracq, Stephen R. Chapman Oct 1997

The Legal Roles And Responsibilities Of A Community Concerning Crop Depredation By White-Tailed Deer, Eric G. Darracq, Stephen R. Chapman

Eighth Eastern Wildlife Damage Management Conference (1997)

The interwoven issues of the legal roles and responsibilities that landowners (i.e., farmers, foresters, and hunters) and a state agency have to control deer densities in rural areas that directly affect crop depredation and various stakeholders will be addressed in this paper. Because unmanaged deer populations severely can damage agricultural crops, the financial cost of this deer damage is borne entirely by individual private landowners. The South Carolina Department of Natural Resources (SCDNR) is the regulatory state agency in South Carolina responsible for annually promulgating rules and regulations pertaining to white-tailed deer harvest by hunters. Even though deer are property …


An Evaluation Of Farmer Applications Of Deer Damage Controls, Peter Fritzell Jr., Glenn Dudderar, R. Ben Peyton Oct 1997

An Evaluation Of Farmer Applications Of Deer Damage Controls, Peter Fritzell Jr., Glenn Dudderar, R. Ben Peyton

Eighth Eastern Wildlife Damage Management Conference (1997)

Damage to agricultural crops caused by white-tailed deer (Odocoileus virginianus) continues to be a significant concern of farmers in Michigan and elsewhere in the United States. Policy changes that promise to reduce deer numbers may be long in coming, but better application of available damage control techniques may be an immediate alternative for farmers awaiting relief. Conversations with farmers, extension agents, and wildlife professionals suggest that some damage control techniques are underutilized by Michigan farmers, whereas other techniques are applied with little success despite promising field trials. We investigated producers’ practices to identify common weaknesses in how deer …


Wildlife Damage To Agricultural Crops In Pennsylvania: The Farmers’ Perspective, Margaret C. Brittingham, Walter M. Tzilkowski, James M. Zeidler, Matthew J. Lovallo Oct 1997

Wildlife Damage To Agricultural Crops In Pennsylvania: The Farmers’ Perspective, Margaret C. Brittingham, Walter M. Tzilkowski, James M. Zeidler, Matthew J. Lovallo

Eighth Eastern Wildlife Damage Management Conference (1997)

Agricultural damage by wildlife is a major concern for both agricultural and wildlife agencies at the state and federal level. Our objective was to estimate wildlife damage to agricultural crops on a statewide basis. We sent questionnaires to 4,958 farmers and 1,003 were returned after 2 mailings. Twenty-five percent of farmers responding to our survey rated the level of wildlife damage to their crops as severe or very severe, 46% as moderate, and 29% had none or very little. Mean levels of crop loss to wildlife ranged from 6% for wheat to 10% for corn grain, and white-tailed deer ( …


Double-Crested Cormorant And Ring-Billed Gull Damage Management On Lake Champlain: Are Basin-Wide Objectives Achievable?, Richard Chipman, Dennis Slate, Larry Garland, David Capen Oct 1997

Double-Crested Cormorant And Ring-Billed Gull Damage Management On Lake Champlain: Are Basin-Wide Objectives Achievable?, Richard Chipman, Dennis Slate, Larry Garland, David Capen

Eighth Eastern Wildlife Damage Management Conference (1997)

Ring-billed gulls ( Larus delewarensis) and double-crested cormorants ( Phalacrocorx auritus) have nested on Lake Champlain since 1949 and 1982, respectively. Recent increases in cormorant nesting populations and pioneering activities of both species to previously uncolonized islands have resulted in impacts related to accumulation of bird guano and interspecific competition with less common species. Of primary concern are: decreases in wildlife and plant diversity on islands; reduced aesthetics and property values of island associated with the loss of trees; and predation or competition for nesting space with other species such as the state-endangered common tern (Sterna hirundo …


Historical Forces Shaping Americans’ Perceptions Of Wildlife And Human-Wildlife Conflicts, Michael R. Conover, Denise O. Conover Oct 1997

Historical Forces Shaping Americans’ Perceptions Of Wildlife And Human-Wildlife Conflicts, Michael R. Conover, Denise O. Conover

Eighth Eastern Wildlife Damage Management Conference (1997)

From colonial times until the 19th century, the dominant American view of wildlife and its management was dualistic—wildlife species were divided into good animals (those which had commercial value or could be eaten) or bad animals (those which threatened the colonists’ safety or food supply). Philosophically, early colonial Americans believed that the environment was to be manipulated for man’s purposes. Under the impact of modernization, Darwinian influence, over-exploitation of resources, and environmentally-conscious professionals, Americans in the late 19th century began to appreciate the recreational value of wildlife and to develop a more protective attitude toward it. Still the dichotomy between …


Bird Abundance At Accomack County Southern Landfill, Melfa, Virginia, In Relation To Various Management Activities, Laura Francoeur, Martin Lowney Oct 1997

Bird Abundance At Accomack County Southern Landfill, Melfa, Virginia, In Relation To Various Management Activities, Laura Francoeur, Martin Lowney

Eighth Eastern Wildlife Damage Management Conference (1997)

Birds, especially gulls (Larus spp.), are attracted to landfills, and when landfills are close to airports, birds can pose a threat to aircraft safety. We conducted a 1-year ecological study to address concerns of the Federal Aviation Administration (FAA) and Accomack County, Virginia, officials over potential wildlife hazards caused by the Accomack County Southern Landfill. During 48 surveys conducted from December 1995 to December 1996, we observed 112,693 birds at the landfill ( x =503). Nine species represented 97% of all observations. Bird numbers varied during the year, increasing during winter and declining during summer. Bird abundance appeared unaffected …


Vertebrate Damage Management: The Future Of An Evolving Profession, Robert H. Giles Jr. Oct 1997

Vertebrate Damage Management: The Future Of An Evolving Profession, Robert H. Giles Jr.

Eighth Eastern Wildlife Damage Management Conference (1997)

The author argues that an objective of a new group of people taking a systems approach to large wild animal problems should be to manage damage as a cost-reducing role within a total, profitable, long-term system, not necessarily to control the "pest." The needs are for well-grounded financial analyses both for customers, the public, the resources, and the well-being of the profession. A point of view is advanced for the need for evolving pest-related operations into a new, unique profession that is involved in a profound way as an element of a cost-effective total land and human resource production system.


Private Nuisance Wildlife Control: Is There A Future In Kansas?, Charles D. Lee, Philip Gipson, Lucas Koch Oct 1997

Private Nuisance Wildlife Control: Is There A Future In Kansas?, Charles D. Lee, Philip Gipson, Lucas Koch

Eighth Eastern Wildlife Damage Management Conference (1997)

The private industry involvement in nuisance animal damage control is increasing in Kansas. Improved oversight of that industry is needed and the Kansas Department of Wildlife and Parks (KDWP) plans to implement a mandatory education and certification program beginning in 1998. KDWP currently issues permits to individuals who wish to trap or control nuisance animals outside of normal harvest seasons. Individuals who have held these permits to conduct nuisance animal damage control were surveyed in 1995 to better understand the status and needs of that industry in Kansas. A 3-page mail survey was sent to all 93 permit holders. Raccoons …


The Mass Media And Stakeholders’ Beliefs About Suburban Wildlife, Cynthia A. Loker, James Shanahan, Daniel J. Decker Oct 1997

The Mass Media And Stakeholders’ Beliefs About Suburban Wildlife, Cynthia A. Loker, James Shanahan, Daniel J. Decker

Eighth Eastern Wildlife Damage Management Conference (1997)

This study examines how suburban audiences obtain information about 3 species in New York State (whitetail deer [Odocoileus virginianus], beaver [Castor Canadensis], and Canada goose [Branta canadensis]). Respondents in 3 suburban areas were surveyed on concerns and interests about a particular species in their area. Respondents also were surveyed about preferred sources for species information and actual source use. Finally, respondents were surveyed about general media use. “Uses-and-gratifications” theory was used to characterize respondents’ information behavior for species information. Specific recommendations for communication planning are offered.


Conference Summary: What Have We Learned? Where Do We Go From Here?, James E. Miller Oct 1997

Conference Summary: What Have We Learned? Where Do We Go From Here?, James E. Miller

Eighth Eastern Wildlife Damage Management Conference (1997)

Since I am charged with providing some closing comments this morning, let me begin by having those of you who are still with us to join me in providing a round of applause to Jim Parkhurst, Phil Eggborn, and Martin Lowney, the Conference Planning Committee, and to those on the Conference Program Committee; to the sponsors, exhibitors, speakers, session moderators; and to all of you as participants who helped make this 8th Eastern Wildlife Damage Management Conference so successful. And, as most of you know who have ever planned and conducted such a conference, there are always a number of …


List Of Participants Oct 1997

List Of Participants

Eighth Eastern Wildlife Damage Management Conference (1997)

participants


Potential Demand For Programs On Nuisance Wildlife Among Wildlife-Related Program Offerings To Urban/Suburban Organizations (Poster Abstract), S. M. Leslie, P. F. Scanlon, O. T. Clarke Oct 1997

Potential Demand For Programs On Nuisance Wildlife Among Wildlife-Related Program Offerings To Urban/Suburban Organizations (Poster Abstract), S. M. Leslie, P. F. Scanlon, O. T. Clarke

Eighth Eastern Wildlife Damage Management Conference (1997)

Program planners of 114 organizations in the Roanoke Valley area of Virginia responded to the likelihood of their scheduling programs on wildlife-related topics. Among the topics offered was “Controlling Wildlife Pests and/or Their Damage.” Responses were organized by type of organization (civic club, neighborhood organization, educational/PTA organization, environmental/hobby organization, garden/plant club) and whether they were “highly likely” (HL), “somewhat likely” (SL), “not likely” (NL), or “not sure” (NS) they would schedule such a program. Results on likelihood of scheduling were as follows: 31 civic clubs (1 HL, 4 SL, 33NL, 4 NS); 26 neighborhood organizations (5 HL, 7 SL, 5 …


Development Of An Integrated Canada Goose Management Program In Virginia, Martin Lowney, Phil Eggborn, Gary Costanzo, Don Patterson Oct 1997

Development Of An Integrated Canada Goose Management Program In Virginia, Martin Lowney, Phil Eggborn, Gary Costanzo, Don Patterson

Eighth Eastern Wildlife Damage Management Conference (1997)

Wildlife managers in the State of Virginia developed an integrated Canada goose (Branta Canadensis) damage management program in 1996 to address increasing damage caused by resident (non-migratory) Canada geese, primarily in urban/suburban areas. The previous Canada goose damage management program relied primarily on harassment and relocation. The integrated program was made available to citizens, homeowner associations, businesses, organizations, city and county governments, and state and federal agencies in 1997. The Integrated Canada Goose Management Program was developed by U.S. Department of Agriculture-Animal and Plant Health Inspection Service-Wildlife Services, Virginia Department of Agriculture and Consumer Services, Virginia Department of …


Development Of The Virginia Cooperative Coyote Control Program To Protect Livestock, Martin Lowney, John Houben, Phil Eggborn Oct 1997

Development Of The Virginia Cooperative Coyote Control Program To Protect Livestock, Martin Lowney, John Houben, Phil Eggborn

Eighth Eastern Wildlife Damage Management Conference (1997)

The Virginia Cooperative Coyote Control Program was created in 1990 to address increasing livestock losses to coyotes and the inability of producers to solve such problems themselves. The eastern coyote arrived in Virginia in the late 1970s or early 1980s. Lobbying efforts of agricultural groups, such as the Virginia Sheep Federation, helped create a cost-share program administered by the Virginia Department of Agriculture and Consumer Services (VDACS) and U.S. Department of Agriculture-Animal and Plant Health Inspection Service-Wildlife Services (USDA-APHIS-WS). The objective of the program was to educate producers about control methods and to alleviate damage by removing offending coyotes where …


The Press And Citizen Participation: A Content Analysis, Lisa Pelstring, James Shanahan, Ben Perry Oct 1997

The Press And Citizen Participation: A Content Analysis, Lisa Pelstring, James Shanahan, Ben Perry

Eighth Eastern Wildlife Damage Management Conference (1997)

We conducted a content analysis of regional New York State newspapers to assess media coverage of the Department of Environmental Conservation’s (DEC) deer management program. The goal of this analysis was to ascertain media depiction of DEC’s deer management program during the 1985-97 time period. Specifically, this research examines how deer management issues were portrayed both prior to and after implementation of a DEC public participation program (the Citizen Task Force [CTF] process) to determine if deer management issues received more favorable coverage after CTFs were implemented.


Cost Comparisons For White-Tailed Deer Live Capture Techniques, Robert L. Pooler, Paul D. Curtis, Milo E. Richmond Oct 1997

Cost Comparisons For White-Tailed Deer Live Capture Techniques, Robert L. Pooler, Paul D. Curtis, Milo E. Richmond

Eighth Eastern Wildlife Damage Management Conference (1997)

During March 13 - July 16, 1996, we captured 75 white-tailed deer (Odocoileus virginianus) using dart guns, rocket nets, and Clover traps on the Seneca Army Depot in Romulus, New York. We compared the labor and cost efficiency of these trapping techniques and reported on mortalities. Darting from a vehicle ($196/deer), and rocket-netting ($172/deer) were similar in time and cost efficiency. Darting from a blind was more costly ($358/deer) due to minimal time devoted to the technique and a high initial material investment. Clover traps were relatively inefficient (15.2 hours/deer) and costly ($895/deer), primarily due to a lack …


Enhancement Of Deer Repellent Efficacy With Visual Cues, Milo E. Richmond, James J. Messina Oct 1997

Enhancement Of Deer Repellent Efficacy With Visual Cues, Milo E. Richmond, James J. Messina

Eighth Eastern Wildlife Damage Management Conference (1997)

Previous research on deer repellents by the authors suggests that visual cues (warnings) coupled with application of an effective repellent may enhance the protection afforded by the repellent. We report the results of 2 separate experiments designed to evaluate and partition the effects of such visual cues in practical applications of 3 candidate repellents. In the first experiment, we established 1-ha plots in late succession old fields in Warren County, New Jersey. Plots were treated with bobcat urine, Deer Stopper®, water, and no treatment. Treatment application was made to 5-cm strips of cotton cloth attached to ¼-in cotton rope that …


What Do Driver’S Education Manuals Contain Relative To Wildlife And Animal Dangers On Roads? (Poster Abstract), A. L. Robinson Oct 1997

What Do Driver’S Education Manuals Contain Relative To Wildlife And Animal Dangers On Roads? (Poster Abstract), A. L. Robinson

Eighth Eastern Wildlife Damage Management Conference (1997)

Most states in the U.S. provide driver’s education manuals (DEMs) as instructional material for instruction of novice drivers. U.S. territories and other countries also provide DEMs. DEMs were requested from U.S. states and territories and acquired from a number of foreign sources. Content was examined relative to animals and safe driving. Of the 42 U.S. DEMs reviewed, 20 had specific advice about coping with animals on the road, 25 used signs involving animals as illustrations, 6 dealt specifically with deer, and 14 referred to farm animals (i.e., horseback riders, animal drawn vehicles, range animals). The Ontario, Canada, and Victoria, Australia, …


Conservation Of A Dinosaur In Modern Times: South Carolina’S Alligator Management Program, Walter E. Rhodes Oct 1997

Conservation Of A Dinosaur In Modern Times: South Carolina’S Alligator Management Program, Walter E. Rhodes

Eighth Eastern Wildlife Damage Management Conference (1997)

American alligator (Alligator mississippiensis) conservation is necessary given the animal's role in wetland ecosystems and its economic value. Although the alligator appears to be no longer threatened with extinction, the reptile’s perceived reputation and a burgeoning human population combine to create a management paradox. Alligator management in South Carolina consists of a Nuisance Control Program, a Private Lands Harvest Program, and public education. Annually, over 750 alligator complaints are received by the South Carolina Department of Natural Resources (SCDNR), and harvest averages about 250 animals. To address alligator/human interaction in rural habitats, a harvest on private lands was …


Do You Have Your Skates On?, Gary J. San Julian Oct 1997

Do You Have Your Skates On?, Gary J. San Julian

Eighth Eastern Wildlife Damage Management Conference (1997)

It is an honor to keynote this conference as we think about our profession in the next century. Jim asked me to predict what the future of wildlife damage management might look like in the year 2020. I explained to him that I have not been actively engaged in doing wildlife damage work for almost 9 years and I had been in an administrative role. Jim knew that I am going back to a faculty position in the next several months. He thought it was great for a person coming out of retirement to predict the future. Since I left …


Characteristics Of Gray Squirrel Release Sites Selected By Kentucky Nuisance Wildlife Control Operators, Sara Steen-Ash, Thomas G. Barnes, Jeff T. Hutchinson, Jeffrey L. Larkin, Brian E. Washburn, Jason L. Weese, Henry F. Yacek Jr. Oct 1997

Characteristics Of Gray Squirrel Release Sites Selected By Kentucky Nuisance Wildlife Control Operators, Sara Steen-Ash, Thomas G. Barnes, Jeff T. Hutchinson, Jeffrey L. Larkin, Brian E. Washburn, Jason L. Weese, Henry F. Yacek Jr.

Eighth Eastern Wildlife Damage Management Conference (1997)

A telephone survey of Kentucky nuisance wildlife control operators (NWCOs) (n=66) was conducted in April of 1997 to assess their knowledge and practices regarding nuisance gray squirrel (Sciurus carolinensis) release-site habitat. Thirty-three percent of NWCOs (n=22) trapped and relocated >1 nuisance gray squirrel in the previous year and these individuals/companies were selected for the survey. NWCOs trap and release >1,700 squirrels annually in Kentucky. Sampled release sites varied in size from 18 to 5,200 acres, and >70% were classified as poor to marginal habitat. Three of the release sites sampled provided adequate to optimum gray squirrel habitat. Actual …


Proceedings Of The Eighth Eastern Wildlife Damage Management Conference Oct 1997

Proceedings Of The Eighth Eastern Wildlife Damage Management Conference

Eighth Eastern Wildlife Damage Management Conference (1997)

Proceedings edited by James A. Parkhurst
Held October 16-19, 1997, Roanoke, Virginia

Contents


Historical Forces Shaping Americans’ Perceptions of Wildlife and Human-Wildlife Conflicts — Denise O. Conover and Michael R. Conover
Do You Have Your Skates On? — Gary San Julian

TECHNICAL SESSION #1 The Mass Media and Stakeholders’ Beliefs About Suburban Wildlife — Cynthia A. Loker, James Shanahan, and Daniel J. Decker
Aldo Leopold’s Land Ethic: Implications for Predator Management (abstract only) — Johnny Stowe
Private Nuisance Wildlife Control: Is There a Future in Kansas? (abstract only) — Charles Lee
Vertebrate Damage Management: The Future of an Evolving Profession …


Response From Cooperative Extension Personnel To Citizen Requests For Information About Wildlife (Poster Abstract), Shannon Thurston, Gary J. San Julian Oct 1997

Response From Cooperative Extension Personnel To Citizen Requests For Information About Wildlife (Poster Abstract), Shannon Thurston, Gary J. San Julian

Eighth Eastern Wildlife Damage Management Conference (1997)

With the increasing urbanization of rural areas, conflicts between homeowners and wildlife are becoming more common. County extension offices frequently receive telephone calls from individuals who are experiencing problems with wildlife. In most cases, extension staff provides assistance over the phone or by mail. However, there are no guidelines for the distribution of information nor is there training for extension personnel. Each county office collects and distributes information differently. Because there is no follow-up to inquiries, little is known about what the homeowners actually do or whether the problems were solved. With some wildlife species, there is a question of …


Electric Fencing Reduces Heron Predation At Northeastern Trout Hatcheries, Mark E. Tobin, James F. Glahn, Erica S. Rasmussen Oct 1997

Electric Fencing Reduces Heron Predation At Northeastern Trout Hatcheries, Mark E. Tobin, James F. Glahn, Erica S. Rasmussen

Eighth Eastern Wildlife Damage Management Conference (1997)

Great blue herons (Ardea herodius) are the most common avian predator at commercial trout hatcheries in the northeastern United States. We evaluated a 2-strand electric fence for excluding this species from raceways at 2 commercial trout hatcheries in central Pennsylvania. Fences consisted of high density polyethylene 400-lb strength tape supported by fiberglass posts and energized by either a battery-powered or a solar-powered fence charger. Labor and material for constructing the fences at the 2 sites averaged $1.32/m of raceway. Bird visitation at the 2 sites initially declined, but returned to pre-installation levels. However, bird use of raceways declined …


Deer Damage Incurred By Homeowners During 1995 In Virginia, Ben C. West, James A. Parkhurst Oct 1997

Deer Damage Incurred By Homeowners During 1995 In Virginia, Ben C. West, James A. Parkhurst

Eighth Eastern Wildlife Damage Management Conference (1997)

Damage caused by white-tailed deer ( Odocoileus virginianus) is a problem for some homeowners in Virginia. As part of a broader effort to evaluate the attitudes and perceptions of agricultural producers and homeowners toward deer damage in Virginia, a mail questionnaire was developed and implemented during the fall of 1996. The survey yielded 732 useable responses and, of those, 261 individuals indicated they were homeowners and grew at least one planting during 1995. Many homeowners (36%) indicated that deer caused damage to at least one of their plantings during 1995. Of those who had experienced damage, most (61%, n=57) …


Repellency Of Methyl Anthranilate To Captive Great Egrets (Poster Abstract), Michael L. Avery, John S. Humphrey, David G. Decker Oct 1997

Repellency Of Methyl Anthranilate To Captive Great Egrets (Poster Abstract), Michael L. Avery, John S. Humphrey, David G. Decker

Eighth Eastern Wildlife Damage Management Conference (1997)

Because effective deterrents are hard to find, it has been suggested that methyl anthranilate (MA) be applied to the surface of fish ponds to discourage bird predation. We conducted two short-term evaluations of a formulation for this use, ReJeX-iT TP-40. First, we assessed the response of tropical fish to TP -40 applications in small wading pools. After 15 minutes, all fish virtually were motionless at or near the bottom of the pool. Fish in the control pools actively swam and most were within 3 cm of the surface of the pool. No mortality occurred, and fish activity returned to almost …