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Full-Text Articles in Environmental Health and Protection

Let No New Thing Arise: Wildlife Hazards To Aviation, Paul Eschenfelder (Capt.) Aug 2001

Let No New Thing Arise: Wildlife Hazards To Aviation, Paul Eschenfelder (Capt.)

Bird Strike Committee-USA/Canada Joint Annual Meeting: 3rd (2001)

Aviation today faces another, new, thing: wildlife hazards. Since 1995 we have, worldwide, over 90 people dead from collisions between their aircraft and wildlife. It is truly a worldwide problem: the General of the Air Force in India worries about elephants on his runways; flamingos cause engine failure on a wide body aircraft in Kenya; Lan Chile has 2 B767s with destroyed engines in one week in Santiago due to bird ingestion; the Israeli Air Force has lost more aircraft to bird strikes than to air-air combat; an Air Ontario twin turboprop has both props shattered at Toronto City after …


Avian Foraging Behaviors And Habitat Manipulation At Portland International Airport, Janina M. Lamb Aug 2001

Avian Foraging Behaviors And Habitat Manipulation At Portland International Airport, Janina M. Lamb

Bird Strike Committee-USA/Canada Joint Annual Meeting: 3rd (2001)

Between January 1996 and May 2001 more than 300 bird strikes occurred at Portland International Airport. Records indicate that herons and raptors consistently make up nearly one-half of species struck. These species regularly use the airport grassland as a foraging ground, feeding on ground-dwelling rodents, including the graytailed vole (Microtus canicaudus) and vagrant shrew (Sorex vagrans). As part of a current study, various manipulations are being made to the grassland habitat and an assessment will be conducted of their effects on the airfield rodent and avian predator populations. This study will specifically correlate the presence and behaviors of predatory birds …


Birds And Flight Safety Awareness In The Middle East And Africa – A Test Case, Yossi Leshem, Eli Sheirmeister (Col.) Aug 2001

Birds And Flight Safety Awareness In The Middle East And Africa – A Test Case, Yossi Leshem, Eli Sheirmeister (Col.)

Bird Strike Committee-USA/Canada Joint Annual Meeting: 3rd (2001)

In order to significantly and effectively advance the issues of flight safety and the conflict with birds we believe that we must work simultaneously on five levels:
· The experimental-research level- to provide a solid scientific basis for the actions taken.
· The application level -To assimilate and apply the conclusions of the basic research in daily actions (the yearly activity both at the CTR and throughout the entire airspace).
· The building of data bases and continuous analysis of the effectiveness of actions taken as well as analysis of changing population sizes over time.
· Continuous development of new …


Damage Liability And Compensation In Case Of Bird Strike, Ante Matijaca Aug 2001

Damage Liability And Compensation In Case Of Bird Strike, Ante Matijaca

Bird Strike Committee-USA/Canada Joint Annual Meeting: 3rd (2001)

Most frequently, a bird strike cause damage to aircraft, and, in certain number of cases, a bird strike may have some considerably serious consequences (injuries and death of passengers, crew or third persons on a ground). In the circumstances of damage occurred, one side is entitled to demand a repair or a financial compensation, and the other side is obliged to realise the repair or the payment of the stated sum. The right to file a demand for repair or compensation depends on the result of determination of someone’s liability. In case of bird strike (either with Croatian or foreign …


German Bird Strike Statistics, Christoph Morgenroth-Branczyk Aug 2001

German Bird Strike Statistics, Christoph Morgenroth-Branczyk

Bird Strike Committee-USA/Canada Joint Annual Meeting: 3rd (2001)

Since 1998 the DAVVL has been the official collecting centre for bird strike reports in Germany. Thanks to the voluntary supply of reports from airlines the DAVVL had been collecting reliable data even for many more years even before 1998. The typical annual variations of the bird strike development are well known. In 1999 and 2000 there were distinct deviations from the usual annual variations of the reports. The reasons are investigated and presented. It might be concluded that in 1999 reporting problems of a prominent German airline were the reason of the anomalous trend. In 2000 the weather development …


Bird Deterrence At Low Level Windshear Alert System (Llwas) Poles, Jerry Schwartz, Tom Kays Aug 2001

Bird Deterrence At Low Level Windshear Alert System (Llwas) Poles, Jerry Schwartz, Tom Kays

Bird Strike Committee-USA/Canada Joint Annual Meeting: 3rd (2001)

Perching birds cause interference with data flow from the sensors used in a new version of Low Level Windshear Alert System (LLWAS). LLWAS is a US Federal Aviation Administration (FAA) airport, weather safety program consisting of a network of anemometers on top of tall poles used for detecting wind shear. Deadly wind shear has caused aircraft accidents with fatalities by creating a sudden loss of airspeed at low altitude upon take-off or landing. During installation of the LLWAS’s initial site at Fort Myers, FL, Turkey Vultures and Black Vultures were observed to perch on the arms of the sonic wind …


Equipment For Fogging Of Rejex-It® Tp-40., Peter F. Vogt Aug 2001

Equipment For Fogging Of Rejex-It® Tp-40., Peter F. Vogt

Bird Strike Committee-USA/Canada Joint Annual Meeting: 3rd (2001)

Considerable improvements have been made in the fogging application of Rejex-it® TP-40. Much has been learned about the type of fog generated by these machines and the resulting efficiency. Many foggers have been proven to deliver the product in the desired form, while others were only useful under special conditions, but no single piece of equipment is suitable for all situations. Generally, thermal foggers (e.g., Golden Eagle) produce the best fog with a good droplet size in areas where they can be employed. Their drawback for many operations by a trained technician is the noise they generate and the open …


An Analysis Of Deer Strikes With Civil Aircraft, Usa, 1982-2000, Sandra E. Wright Aug 2001

An Analysis Of Deer Strikes With Civil Aircraft, Usa, 1982-2000, Sandra E. Wright

Bird Strike Committee-USA/Canada Joint Annual Meeting: 3rd (2001)

Wright et al. (1988) stated that although deer strikes comprise only about 2% of total reported wildlife strikes, 86% of those strikes damaged the aircraft. Dolbeer et al. (2000) ranked deer as the most hazardous species to aircraft based on damage and effect-on-flight. On January 14, 2001, a Learjet collided with two white-tailed deer (Odocoileus virginianus) on an airport in Troy, Alabama. Both pilots were critically injured and would have perished in the fire that destroyed the aircraft if rescuers had not arrived quickly. The above example of a damaging wildlife strike to an aircraft is not uncommon. Wildlife strikes …


Successful Actions For Avian Hazard Control In Brazil, Luiz Cláudio Magalhães Bastos (Maj.) Aug 2001

Successful Actions For Avian Hazard Control In Brazil, Luiz Cláudio Magalhães Bastos (Maj.)

Bird Strike Committee-USA/Canada Joint Annual Meeting: 3rd (2001)

Brazil built one of the world’s largest aeronautical infrastructure. The airport net is distributed along its vast territory, which shows a tremendous ecosystem variety. Having a large civilian aircraft fleet and also running second after Venezuela in catalogued bird species, Brazil has had problems related to bird strikes. Although Brazil has little problem with migratory birds, the threat posed by residents birds in some airports represents a risk to be managed. On the other hand, due to human population growth and poor policies of garbage disposal in the past, nowadays some big airports have in their vicinities open dumps that …


Enhancements To The United States Bird Avoidance Model (Us Bam), Timothy Beermann, Matthew Bobo, Russell P. Defusco Aug 2001

Enhancements To The United States Bird Avoidance Model (Us Bam), Timothy Beermann, Matthew Bobo, Russell P. Defusco

Bird Strike Committee-USA/Canada Joint Annual Meeting: 3rd (2001)

The United States Bird Avoidance Model (US BAM) uses Geographic Information System (GIS) technology to analyze and correlate bird habitat, migration, and breeding characteristics with key environmental and human-made geospatial features. The application consists of raster grids covering the conterminous United States. The value for each grid pixel location is equivalent to the sum of the mean bird mass (in ounces) for all species present during one of four daily time periods (dawn, day, dusk, and night), for one of 26 two-week periods in a year. The US BAM is a desktop application that has an intuitive design and includes …


A Review Of Deer Control Devices Intended For Use On Airports, Thomas W. Seamans Aug 2001

A Review Of Deer Control Devices Intended For Use On Airports, Thomas W. Seamans

Bird Strike Committee-USA/Canada Joint Annual Meeting: 3rd (2001)

Deer living on airport habitats pose a direct threat to aircraft operations and to public safety. From 1990– 2000, about 520 collisions between civil aircraft and deer were reported in the USA with damage occurring in 86% of the collisions. Removal of individual deer by lethal or non-lethal means can reduce the potential for deer-aircraft collisions; however, such action is often controversial. Various items are marketed to keep deer away from airports, crops or residential areas. Some items have been tested while others have unsubstantiated claims of efficacy. This paper reviews the use of various fence designs, propane cannons, cattle …


A Revolution In Wildlife Management, Greg Winfield Aug 2001

A Revolution In Wildlife Management, Greg Winfield

Bird Strike Committee-USA/Canada Joint Annual Meeting: 3rd (2001)

At past Bird Strike Conferences, the need for having a good database to track and analyze wildlife activities has been expressed. Sadly, most airports/wildlife contractors still depend on archaic log sheets. At best, some have tapped into the limited capability of spreadsheets. Limiting yourself to this method severely restricts your abilities to track activities effectively. And if the data isn’t available then you cannot make informed decisions. Toronto’s Pearson International Airport’s Field Superintendent John Meehan put it best by saying… “I cannot imagine any airport trying to oversee wildlife initiatives without an effective data analysis tool…it would be meaningless…”. If …


Fogging Of Rejex-It® Tp-40. Effectiveness As A Function Of Droplet Size To Repel Birds, Peter F. Vogt Aug 2001

Fogging Of Rejex-It® Tp-40. Effectiveness As A Function Of Droplet Size To Repel Birds, Peter F. Vogt

Bird Strike Committee-USA/Canada Joint Annual Meeting: 3rd (2001)

Fogging of Rejex-it® TP-40 (Fog Force) offers a very efficient method for the management of nuisance birds in many diverse areas without any adverse effects to non-target animals. Despite its effectiveness, there are many factors that influence the effectiveness and desired results. The product alone does not guarantee the desired success. It is not always the quantity that determines fast reaction, but more the form for the specific application. Smaller droplets in the 10-micron range are theoretically 27 times more effective than 30 micron droplets and five micron droplets even 216 times more effective for the same quantity of product …


Nocturnal Bird-Avoidance Modeling With Mobile-Marine Radar, Edward J. Zakrajsek, John A. Bissonette Jul 2001

Nocturnal Bird-Avoidance Modeling With Mobile-Marine Radar, Edward J. Zakrajsek, John A. Bissonette

Bird Strike Committee-USA/Canada Joint Annual Meeting: 3rd (2001)

To develop a bird-avoidance model for Naval Air Facility El Centro, California, we used a modified marine-radar system to quantify nocturnal (sunset to midnight) bird movements in the area. Previous birdradar studies relied on visual monitoring of the radar screen for data collection. This study represents the first use of computer-aided image analysis of marine-radar bird-data. Radar images were automatically captured, analyzed, and archived with a personal computer. The image analysis eliminated ground clutter, calculated the sample area, identified bird targets, and categorized them into three relative size classes. This made data collection more uniform by eliminating observer bias. We …


Scwds Briefs: Volume 17, Number 2 (July 2001) Jul 2001

Scwds Briefs: Volume 17, Number 2 (July 2001)

Southeastern Cooperative Wildlife Disease Study: Publications


• West Nile virus (WNV) recently was detected in wild birds found dead in Florida and Georgia.
• The cause of avian vacuolar myelinopathy (AVM) remains undetermined despite extensive diagnostic and research investigations conducted since the disease was first recognized as a significant cause of eagle mortality in 1994.
• The spread of foot-and-mouth disease (FMD) that began in the United Kingdom in February 2001 has slowed dramatically.
• A test of the animal disease emergency management system was conducted July 9-12, 2001, by the U.S. Department of Agriculture's Animal and Plant Health Inspection Service (APHIS) and the states of …


Scwds Briefs: Volume 17, Number 1 (April 2001) Apr 2001

Scwds Briefs: Volume 17, Number 1 (April 2001)

Southeastern Cooperative Wildlife Disease Study: Publications


• Concern for FMD Increases: As of April 30, 2001, foot-and-mouth disease (FMD) outbreaks had occurred in the United Kingdom (UK), The Netherlands, France, Republic of Ireland, Colombia, Argentina, and other countries. FMD also is present in South America and in some areas of Africa, the Middle East, and Asia.
• Keep FMD out of America!
• APHIS Policies for Wildlife in an FMD Emergency
• What if FMD Hits?
• Georgia’s Ossabaw Island has the distinction of being the only confirmed enzoootic focus of the New Jersey serotype of vesicular stomatitis virus (VSV-NJ) in the United States, and the …


Rocky Mountain Wolf Recovery 2001 Annual Report Mar 2001

Rocky Mountain Wolf Recovery 2001 Annual Report

Rocky Mountain Wolf Recovery: Annual Reports

Wolves in the Northern Rocky Mountains (Idaho, Montana and Wyoming) continue to increase in distribution and numbers (Figures 1,5). Estimates of wolf numbers at the end of 2001 were 261 wolves in the Central Idaho Recovery Area, 218 in the Greater Yellowstone Recovery Area, and 84 in the Northwest Montana Recovery Area (Figure 1, Tables 1,2,3,4). By state boundaries, there were an estimated 251 wolves in the state of Idaho, 189 in Wyoming and 123 in Montana. Of the 63 groups of 2 or more wolves, at least 34 wolf packs met the definition of “breeding pair,” an adult male …


Tws Wildlife Damage Management Working Group Newsletter: Spring 2001 – Volume 8(1) Elections Issue Jan 2001

Tws Wildlife Damage Management Working Group Newsletter: Spring 2001 – Volume 8(1) Elections Issue

TWS Wildlife Damage Management Working Group Newsletter

From The Chair: 2000-2001 Wildlife Damage Management Working Group Officers:; Candidates For The Working Group Officers – May 2001; Wildlife Damage Management Working Group Ballot – May 2001; Proceedings Available: Predator Control; A Quest For Older Wildlife Control Workshop Proceedings; Wdamage: A Resource For Wildlife Damage Managers; Tws Reno/Tahoe 2001 8th Annual Conference Of The Wildlife Society Reno/Tahoe, Nevada , September 25–29, 2001 Preliminary Program; Application For Membership / The Wildlife Society


Tws Wildlife Damage Management Working Group Newsletter: Late Summer 2001 – Volume 8(2) Jan 2001

Tws Wildlife Damage Management Working Group Newsletter: Late Summer 2001 – Volume 8(2)

TWS Wildlife Damage Management Working Group Newsletter

Forward -Bob Timm; New Jersey Polices Chief Prevents 15mm Launcher Use; Close Encounters Of Predator Kind Rising; Fecal Canada Goose Study Results Available; Special Prepublication Offer On New Human Dimensions Book; Tws Reno/Tahoe 2001 8th Annual Conference Of The Wildlife Society Reno/Tahoe, Nevada, September 25–29, 2001 Preliminary Program; Application For Membership / The Wildlife Society


Scwds Briefs: Volume 16, Number 4 (January 2001) Jan 2001

Scwds Briefs: Volume 16, Number 4 (January 2001)

Southeastern Cooperative Wildlife Disease Study: Publications


• Avian vacuolar myelinopathy (AVM) was confirmed in eight bald eagles and is suspected in another six eagles that died from mid-November 2000 through late January 2001 at Clarks Hill Lake in eastern Georgia.
• Bovine tuberculosis TB in Manitoba Elk
• CWD in a Nebraska Deer: Chronic wasting disease (CWD) of cervids has been found for the first time in a free-ranging cervid outside Colorado and Wyoming.
• Tropical Bont Tick on St. Croix: The U.S. Department of Agriculture recently announced that the tropical bont tick (Amblyomma variegatum) had been found on St. Croix in the U.S. …


Scwds Briefs: Volume 16, Number 3 (October 2000) Oct 2000

Scwds Briefs: Volume 16, Number 3 (October 2000)

Southeastern Cooperative Wildlife Disease Study: Publications


• SCWDS Director Dr. Victor F. Nettles retired November 30, 2000, after a 28-year career at SCWDS.
• Former Montana Senator Dr. John Melcher recently wrote an article for the United States Animal Health Association Newsletter on "Wildlife Authority."
• 20 foxhounds at a Duchess County, New York, hunt club died or were euthanatized due to infection with the protozoan parasite Leishmania spp. of the donovani complex. Leishmaniasis is a zoonotic disease of humans and dogs caused by protozoa of the genus Leishmania.
• Controlling CWD in Captive Elk
• Drug Use Protocol for Wildlife
• West Nile Virus …


Deer Management At Airports: A Case Study, J. Harris Glass Aug 2000

Deer Management At Airports: A Case Study, J. Harris Glass

Bird Strike Committee-USA/Canada Joint Annual Meeting: 2nd (2000)

Deer living on and around airports pose a threat to aircraft. The consequence of a deer-aircraft strike can be serious and potentially tragic. Nationally, cervids (deer) accounted for 67% of all reported mammal-aircraft strikes and have caused damage in 81% of deer strikes in the United States (Cleary et al. 1999). Due to the potential for damage, the Federal Aviation Administration and USDA-APHIS-Wildlife Services (WS) program recommend a zero-tolerance of deer on an airfield. Deer densities at Newport News / Williamsburg International Airport (PHF) were as high as 171.5 deer/mi2 at the onset of the Wildlife Hazard Assessment conducted …


Utility Of Tdwr And Asr-9 Data To Mitigate Bird Strikes At Commercial Airports, Mark A. Isaminger, Mark E. Weber Aug 2000

Utility Of Tdwr And Asr-9 Data To Mitigate Bird Strikes At Commercial Airports, Mark A. Isaminger, Mark E. Weber

Bird Strike Committee-USA/Canada Joint Annual Meeting: 2nd (2000)

Conflicts between birds and commercial aircraft are a noteworthy problem at both large and small airports. The risk factor for U.S. airports continues to increase due to the steady rise in take-off/landings and bird populations. The focus of bird strike mitigation in the past has centered primarily on Wildlife Management techniques. Recently, an Avian Hazard Advisory System (AHAS) has been developed to reduce the risks of bird strikes to military operations. This system uses a mosaic of data collected by the Next Generation Weather Radar (NEXRAD). This sensor serves as an excellent tool for enroute bird advisories due to the …


Summary Of Bird Ingestions Into Aircraft Engines: Current Industry Activity And Bird Strike Reporting, Richard Parker Aug 2000

Summary Of Bird Ingestions Into Aircraft Engines: Current Industry Activity And Bird Strike Reporting, Richard Parker

Bird Strike Committee-USA/Canada Joint Annual Meeting: 2nd (2000)

This presentation will show some of the bird strikes and/or trends to engines in the past few years. The presentation will emphasize the safety aspects associated with aircraft engine bird ingestions and show the current statistics as understood by the engine manufacturers. The presentation will also address industry activity related to the hazard of larger birds. There will also be comments relative to the importance of accurate and complete bird strike reporting now that many agencies are reporting and collecting data.


An Evaluation Of Techniques For The Control Of Birds On Landfills Near Airports, John Allan, Andy Baxter Aug 2000

An Evaluation Of Techniques For The Control Of Birds On Landfills Near Airports, John Allan, Andy Baxter

Bird Strike Committee-USA/Canada Joint Annual Meeting: 2nd (2000)

This paper reports progress on an investigation of a variety of bird deterrent techniques on landfill sites. The objective of the study is to develop and test integrated bird management strategies for use on landfills, both close to airports and elsewhere. The first phase of the study is designed to evaluate individual techniques such as distress calls, pyrotechnics, falcons etc. to determine efficacy, time to habituation and differences in effectiveness for different pest bird species. Once the most promising techniques are identified they will be combined into integrated programs and tested long term on a various landfill sites across the …


Analysis Of The Use Of Radio-Controlled Models In Bird Dispersal, Nicholas B. Carter Aug 2000

Analysis Of The Use Of Radio-Controlled Models In Bird Dispersal, Nicholas B. Carter

Bird Strike Committee-USA/Canada Joint Annual Meeting: 2nd (2000)

Border Collie Rescue (BCR), in cooperation with the Dover Air Force Base, conducted a series of field trials to test the efficacy of utilizing radio-controlled models (“RCs”) (aircraft and boats) in dispersing several species of birds from troublesome locations around the Dover AFB environment. Results of these trials suggest that RCs can be used to effectively harass seagulls, raptors, ducks, and geese from difficult areas, though there are a number of limitations that must be taken into account when determining the value of instituting a harassment program utilizing RCs. Though use of Border Collies in its wildlife management program had …


Wildlife Control At Vancouver International Airport: Introducing Border Collies, Dave Ball Aug 2000

Wildlife Control At Vancouver International Airport: Introducing Border Collies, Dave Ball

Bird Strike Committee-USA/Canada Joint Annual Meeting: 2nd (2000)

Situated on an island located along a major Pacific Flyway, Vancouver International Airport (YVR) has developed a comprehensive wildlife management program in order to maintain a safe aircraft operating environment. YVR attracts a diverse range of bird species, including: ducks; gulls; herons; geese (Canada and Snow); sparrows; swallows; crows; starlings; owls; hawks; and eagles. The airport’s Wildlife Management Program consists of a Habitat Management Program and a Wildlife Control Program which are both based on a database of knowledge the airport continues to build regarding the behaviour patterns of wildlife common to the airport. Operating 24-hours-per-day 365 days of the …


Creating A Wildlife Program, Dan Wood Aug 2000

Creating A Wildlife Program, Dan Wood

Bird Strike Committee-USA/Canada Joint Annual Meeting: 2nd (2000)

In Feb 2000 Dover AFB hired a wildlife contractor utilizing a Border Collie as one of the main tools in our BASH program. The introduction of the Border Collie, as a tool in bird abatement was thoroughly researched. Since no other base had any other program like this an initial statement of work had to be written. A climate study was conducted with base personnel, the base veterinarian, legal office and the state department of natural resources on the idea of using a dog to harass wildlife. The major obstacles in creating a program this diverse and using a civilian …


A Better Way To Record And Report On Wildlife Movements, Greg Winfield Aug 2000

A Better Way To Record And Report On Wildlife Movements, Greg Winfield

Bird Strike Committee-USA/Canada Joint Annual Meeting: 2nd (2000)

As a former Controller, I’ve recognized that Wildlife Officers usually end up producing hand-counted reports that often fail to highlight critical data such as species trends, primary attractants, dispersant ratios, migration timings, etc. I have written a software program that specifically addresses this problem. AIRMAN (Animal Interdiction Report Manager) is a complete stand-alone program that reports on all aspects of wildlife intervention. There are no calculations to be made, nor any wading through a myriad of daily logs for answers. CYYZ have seen the advantage and have implemented this software already. It produces Line Graphics to display trends based on …


Management Of Silver Gulls To Prevent Bird Strikes At Sydney Airport, Aimee Hutchinson Aug 2000

Management Of Silver Gulls To Prevent Bird Strikes At Sydney Airport, Aimee Hutchinson

Bird Strike Committee-USA/Canada Joint Annual Meeting: 2nd (2000)

A bird strike is defined as a collision between a bird and an aircraft. While most bird strikes cause little or no damage to the aircraft, some incidents can be fatal and at the least, very costly. The majority of bird strikes occur during landing or take-off thus the focus of bird management is centered around the airport environments. The geographical features surrounding Sydney Airport include a number of bird-attracting water bodies: Botany Bay, Botany Wetlands, the Cooks River and Alexandra Canal. These features attract a diverse and abundant assemblage of migratory and coastal bird species including silver gulls ( …