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Articles 811 - 840 of 2924

Full-Text Articles in Environmental Health and Protection

Automated Haze Systems With Methyl Anthranilate Eliminate Nuisance Birds In Aviation Hangars, Warehouses, Airports, Bruce E. Vergote Oct 2002

Automated Haze Systems With Methyl Anthranilate Eliminate Nuisance Birds In Aviation Hangars, Warehouses, Airports, Bruce E. Vergote

Bird Strike Committee-USA/Canada Joint Annual Meeting: 4th (2002)

Automated haze systems (The BirdHazer) combined with Methyl Anthranilate (MA) is proven effective and cost efficient as an application method for eliminating nuisance birds in aviation hangars, warehouses, and airport facilities. Proper placement of the BirdHazer system which is based on air flow circulation allows to deliver a clean, dry haze, producing a mean droplet diameter size of 5 microns , which also eliminates the possibility of permeation and any settled residue. Three preliminary test studies were successfully completed at 2 dairy barn locations, and a salt storage warehouse. The fourth testing site was conducted at a maintenance hangar at …

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Responses Of Captive Birds To Candidate Perching Deterrents On Faa Llwas Units, Michael L. Avery, Ann C. Genchi Oct 2002

Responses Of Captive Birds To Candidate Perching Deterrents On Faa Llwas Units, Michael L. Avery, Ann C. Genchi

Bird Strike Committee-USA/Canada Joint Annual Meeting: 4th (2002)

Successful operation of the FAA’s Low-Level Windshear Alert System (LLWAS) depends largely on birds not perching on the wind-sensing units which are installed atop poles 40-45 m tall. Because new LLWAS units will be erected at airports throughout North America, anti- perching devices must deter numerous avian species ranging widely in body size and behavioral pattern. To determine the most promising devices, we conducted pen trials with brown-headed cowbirds, fish crows, barred owls, great horned-owls and black vultures. Birds were given free access to an unmodified sensor unit mounted on a tripod for 24 hours, during which the only alternative …

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“Birdstrike” – What’S The Word? (Poster), Carla Dove Oct 2002

“Birdstrike” – What’S The Word? (Poster), Carla Dove

Bird Strike Committee-USA/Canada Joint Annual Meeting: 4th (2002)

The word(s) “bird strike”, “bird-strike”, or “birdstrike” has been used inconsistently throughout the literature for as long as birds have been colliding with aircraft. A recent search of peer-reviewed articles in the Zoological Record and Biological Abstracts dating back to 1969 resulted in 52 articles that pertained to bird-aircraft collisions. Of those, 67% used two words (bird strike); 22% used a hyphenated word (bird-strike); 5.5% used one word (birdstrike), and 5.5% actually used both two words and the hyphenated version in the same paper! A brief glance through the proceedings and abstracts of recent Bird Strike Committee Meetings also exemplifies …

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Attracting Arctic Foxes To Relocate A Gull Colony At Keflavik International Airport (Poster), Pall Hersteinsson, Gundmundur Orn Jonsson Oct 2002

Attracting Arctic Foxes To Relocate A Gull Colony At Keflavik International Airport (Poster), Pall Hersteinsson, Gundmundur Orn Jonsson

Bird Strike Committee-USA/Canada Joint Annual Meeting: 4th (2002)

The Lesser Black-backed Gull (Larus fuscus) colony at Keflavik International Airport has grown from around 1,000 pairs in 1975 to over 20,000 pairs in the early 1990s and to around 30,000 pairs in 2000. The colony is considered a serious hazard to both military and civil air traffic. The population of arctic foxes (Alopex lagopus), the only predator in Iceland capable of preying on these gulls, was very small in this area from the late 1950s until the mid-1980s. A decade ago we noted that the location of the colony had shifted away from an arctic …

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Scwds Briefs: Volume 18, Number 3 (October 2002) Oct 2002

Scwds Briefs: Volume 18, Number 3 (October 2002)

Southeastern Cooperative Wildlife Disease Study: Publications


• Chronic Wasting Disease Update: Wisconsin, Minnesota, South Dakota, Colorado; National CWD Management – USDA & USDI National Plan for Assisting States, Federal Agencies, and Tribes in Managing Chronic Wasting Disease in Free-ranging and Captive Cervids
• West Nile virus (WNV) reaches the Pacific coast
• West Nile Virus in Blue Jays
• Idaho Brucellosis Linked to Wildlife: All of the epidemiological and laboratory information clearly indicates that brucellosis-infected elk transmitted the disease to the cattle herd.
• Tularemia caused a die-off of captured wild prairie dogs this summer at a Texas commercial exotic animal facility that distributes the animals …

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Scwds Briefs: Volume 18, Number 2 (July 2002) Jul 2002

Scwds Briefs: Volume 18, Number 2 (July 2002)

Southeastern Cooperative Wildlife Disease Study: Publications


• Chronic wasting disease (CWD) recently has been identified in more free-ranging and captive cervids at additional locations in New Mexico, Wisconsin, and Colorado.
• An outbreak of low pathogenicity avian influenza (LPAI) virus apparently has been contained in domestic poultry in the Shenandoah Valley of Virginia.
• West Nile Virus Continues to Spread
• Update on Cryptosporidium and Giardia in Wildlife
• The accurate diagnosis of epizootic hemorrhagic disease virus (EHDV) in white-tailed deer
• In June of 2002, the Disney Wildlife Conservation Fund made a contribution to help support SCWDS' continuing investigations of avian vacuolar myelinopathy (AVM).
• …

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Scwds Briefs: Volume 18, Number 1 (April 2002) -- Special Cwd Issue Apr 2002

Scwds Briefs: Volume 18, Number 1 (April 2002) -- Special Cwd Issue

Southeastern Cooperative Wildlife Disease Study: Publications

SPECIAL CWD ISSUE

• Transmissible Spongiform Encephalopathies
• TSEs of Domestic Animals and Humans
• Bovine Spongiform Encephalopathy
• Chronic Wasting Disease 101
• CWD Epidemiology
• CWD Diagnosis
• CWD Surveillance, Doing the Numbers
• CWD Management
• CWD in Captive Cervids
• CWD in Wild Deer and Elk
• Public Health Concerns About CWD

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Rocky Mountain Wolf Recovery 2002 Annual Report Mar 2002

Rocky Mountain Wolf Recovery 2002 Annual Report

Rocky Mountain Wolf Recovery: Annual Reports

Wolves (Canis lupus) in the Northern Rocky Mountain states (Idaho, Montana and Wyoming) continue to increase in distribution and numbers (Figures 1, 5). Estimates of wolf numbers at the end of 2002 were 284 wolves in the Central Idaho Recovery Area, 271 in the Greater Yellowstone Recovery Area, and 108 in the Northwest Montana Recovery Area for a total of 663 (Figure 1, Table 4a). By state boundaries, there were an estimated 263 wolves in the state of Idaho, 217 in Wyoming and 183 in Montana (Table 4b). Of approximately 80 groups of two or more wolves, 43 …

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Brown Treesnake Control: Ecomony Of Scales, Daniel S. Vice, Mikel E. Pitzler Jan 2002

Brown Treesnake Control: Ecomony Of Scales, Daniel S. Vice, Mikel E. Pitzler

Human Conflicts with Wildlife: 2002 Symposium

The accidental introduction of the brown treesnake (Boiga irregularis) to Guam led to the demise of most of the island’s native avifauna and herpetofauna. The snake is also responsible for significant economic losses through frequent power outages and consumption of poultry. Control of the snake, aimed at preventing its inadvertent dispersal from the island and protecting native wildlife and economic resources, is accomplished using specially designed snake traps, hand capture, snake detector dogs, and snake barriers. Although control tools capture large numbers of snakes, control efforts are labor intensive, costly, and ineffective in reducing snake populations across the …

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Tws Wildlife Damage Management Working Group Newsletter: Summer 2002 – Volume 9(2) Jan 2002

Tws Wildlife Damage Management Working Group Newsletter: Summer 2002 – Volume 9(2)

TWS Wildlife Damage Management Working Group Newsletter

Forward; Wanted: Information On Management Of Coyotes In Urban/Suburban Locals; Candidates For The Working Group Officers – July 2002; Wildlife Damage Management Working Group Ballot – July 2002; Book Review - Resolving Human-Wildlife Conflicts: The Science Of Wildlife Damage Management

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Scwds Briefs: Volume 17, Number 4 (January 2002) Jan 2002

Scwds Briefs: Volume 17, Number 4 (January 2002)

Southeastern Cooperative Wildlife Disease Study: Publications


• CWD News from Nebraska and Kansas
• Tropical Bont Tick Threat: Amblyomma variegatum
• Avian vacuolar myelinopathy (AVM) was confirmed by SCWDS diagnosticians in two dead bald eagles and is suspected in another four decomposed eagle carcasses recovered since mid-November at Clarks Hill Lake along the Georgia/South Carolina border.
• The Office International des Epipoozties (OIE) agreed to restore the United Kingdom's Foot-and-Mouth Disease (FMD) free status without vaccination for the purposes of international trade.
• Raccoon Roundworms – Public Health Update: Baylisascaris procyonis
• CSF Control Targets Wild Boars: Classical swine fever (CSF), also called hog cholera, is …

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Landscaping To Avoid Wildlife Conflicts Jan 2002

Landscaping To Avoid Wildlife Conflicts

Other Bird Strike and Aviation Materials

Wild animals contribute to our enjoyment of nature, and many species add aesthetic value to urban and suburban environments. Landscapes are frequently developed to be “environmentally friendly” by providing food and cover for songbirds, waterfowl, squirrels, and other wildlife. Wild animals can, however, damage property or threaten human health and safety. The presence of undesirable species or animal overpopulation often leads to many common wildlife problems associated with urban landscapes. Equipped with the right information, landscape designers can significantly reduce the potential for wildlife–human conflicts and their resulting impacts on economic interests and public safety.

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Strike One, You're Out: Airports, Aircraft, Safety & Wildlife, Bette Blinde Oct 2001

Strike One, You're Out: Airports, Aircraft, Safety & Wildlife, Bette Blinde

Other Bird Strike and Aviation Materials

This activity is part of a program that asks students to use their problem-solving abilities to evaluate, plan and design a solution to real life dilemmas. This dilemma focuses on airports, aircraft, safety and wildlife. It is one of a series of dilemmas that allows students to learn about natural resource and environmental issues by developing solutions to complex and actual problems being faced.

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Scwds Briefs: Volume 17, Number 3 (October 2001) Oct 2001

Scwds Briefs: Volume 17, Number 3 (October 2001)

Southeastern Cooperative Wildlife Disease Study: Publications


• Biosecurity Alert
• The United Kingdom appears to be near success in eradicating foot-and-mouth disease (FMD).
• USDA declares chronic wasting disease CWD emergency in captive elk.
• CWD Calamity in Colorado: Approximately 1,300 animals in seven Colorado captive elk herds currently are under quarantine because chronic wasting disease (CWD) has been diagnosed in or traced to the herds.
• Further Spread of West Nile virus (WNV)
• Eastern Equine Encephalitis (EEE) virus was isolated from the brain of a wild white-tailed deer from Houston County, Georgia. Togaviridae, Culiseta melanura
• Equine protozoal myeloencephalitis (EPM) is a severe neurological …

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Strike One—You’Re Out! Wildlife Services Helps Reduce Wildlife Conflicts At Airports Sep 2001

Strike One—You’Re Out! Wildlife Services Helps Reduce Wildlife Conflicts At Airports

Other Bird Strike and Aviation Materials

Collisions between aircraft and wildlife at airports have risen dramatically in recent years as a result of large population increases in many wildlife species, faster airplanes, and the increase in air transportation traffic. Every year between 1991 and 1997, wildlife strikes cost U.S. civil aviation more than $300 million and 500,000 hours of aircraft downtime. About 2,400 bird strikes to civil aircraft are reported each year, and more than 2,500 are reported by the U.S. Air Force. Since 1990, more than 300 deer collisions with aircraft have been reported to the Federal Aviation Administration (FAA).

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Designing A Terminal Area Bird Detection And Monitoring System Based On Asr-9 Data, Seth Troxel, Mark Isaminger, Beth Karl, Mark Weber, Arthur Levy Aug 2001

Designing A Terminal Area Bird Detection And Monitoring System Based On Asr-9 Data, Seth Troxel, Mark Isaminger, Beth Karl, Mark Weber, Arthur Levy

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

Conflicts between birds and commercial aircraft are a noteworthy problem at both large and small airports [Cleary, 1999]. The risk factor for United States airports continues to increase due to the steady rise in take-off/landings and bird populations. There is a significant bird strike problem in the terminal area as shown by the incidents reported in the National Bird Strike Database [Cleary and Dolbeer, 1999]. 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 …

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Management Of Bird And Other Wildlife Hazards At Tribhuvan International Airport, Kathmandu, Nepal, Bashanta Kumar Upadhyaya, Richard A. Dolbeer Aug 2001

Management Of Bird And Other Wildlife Hazards At Tribhuvan International Airport, Kathmandu, Nepal, Bashanta Kumar Upadhyaya, Richard A. Dolbeer

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

Tribhuvan International Airport (TIA), the only international airport in the Himalayan Kingdom of Nepal, is geographically situated in the middle of the country at an elevation of 4,390 feet (AMSL) in a valley surrounded by hills. The airport was in an isolated area at the time of its establishment in 1949, but now is in the middle of dense human settlement and local market places. The polluted rivers on either side of runway, un-scientific municipal solid waste management, and emergence of earthworms near the runway and taxiways after monsoon rains in late summer are some of the bird attractants. Birds …

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Bird Control On Landfill Sites– Is There Still A Hazard To Your Aircraft?, Andy Baxter Aug 2001

Bird Control On Landfill Sites– Is There Still A Hazard To Your Aircraft?, Andy Baxter

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

Birds attracted to domestic waste landfill sites situated close to airfields may represent a significant flight safety hazard. Local planning controls may be used to prevent the establishment of such sites or to enforce bird control measures as part of site management plans. Different bird control techniques may have different levels of effectiveness and little consideration is given to the period of time (Dawn to dusk or operational hours), over which they are applied. CSL is currently undertaking a four year study to evaluate bird control techniques on landfill sites in the UK. The following paper shows how bird control …

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Effectiveness Of Gas Cannons On The Bird Community At Sydney Airport, Aimee Hutchinson Aug 2001

Effectiveness Of Gas Cannons On The Bird Community At Sydney Airport, Aimee Hutchinson

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

Bird control takes many forms and can include the use of gas cannons to scare birds away from noncompatible land uses such as airports. Birds Australia designed and implemented this study to assess the effectiveness of the Gas Cannon as a bird deterrent at Sydney Airport. The cannons were used in two ways: statically (set up at one location) and opportunistically (transported to a particular location in response to bird events, such as birds congregating on runways). Effectiveness was measured quantitatively during the static trial by comparing the number of birds in the vicinity of the cannons, during pre-treatment and …

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Wildlife Management Training – What Are You Doing?, John E. Ostrom Aug 2001

Wildlife Management Training – What Are You Doing?, John E. Ostrom

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

With the variety of wildlife tools in use by airports, there comes a need for training. The Minneapolis-St. Paul International Airport (MSP) has developed an extensive training program for those staff members involved in wildlife management activities. This training program provides the necessary foundation for an effective wildlife management program and addresses hands-on as well as legal liability issues.

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Development Of A Bird Aircraft Strike Hazard Program At Langley Afb, Virginia., Ted Sprague (Maj.), Stephen Kendrot Aug 2001

Development Of A Bird Aircraft Strike Hazard Program At Langley Afb, Virginia., Ted Sprague (Maj.), Stephen Kendrot

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

Bird and other wildlife collisions with aircraft are frequently expensive and sometimes tragic. Each year, the US Air Force (USAF) reports an average of 2772 aircraft/bird strikes costing over 35 million dollars annually. Since 1985, 17 USAF planes have been destroyed and 32 airmen have lost their lives. Accordingly, the USAF invests heavily in preventing bird strikes and requires all Air Force bases to create a Bird Aircraft Strike Hazard (BASH) plan. The BASH plan is tailored to each base and identifies key wildlife hazards, tasks required to mitigate hazards and personnel to oversee and implement the plan. The installation’s …

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Seasonality Of Bird Strikes: Towards A Behavioural Explanation, T. C. Kelly, R. Bolger, M. J. A. O'Callaghan, P. D. Bourke Aug 2001

Seasonality Of Bird Strikes: Towards A Behavioural Explanation, T. C. Kelly, R. Bolger, M. J. A. O'Callaghan, P. D. Bourke

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

It is well known that, at least in the Northern Hemisphere, there is a strong seasonal element in the annual pattern of bird strikes. This study undertakes a statistical analysis of an 11year data set collected at Dublin Airport, Ireland. It attempts to identify statistically significant trends in the seasonal trajectories of bird strikes, both in general and in respect of individual species and in comparison with seasonal trends in the abundance of birds generally and at Dublin Airport in particular. Hypotheses relating to the idea of “open” (i.e. intervals of through-put of naïve and young birds) and “closed” (i.e. …

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Bird Strike Risk Forecasting: A Modelling Approach, Wilhelm Ruhe Aug 2001

Bird Strike Risk Forecasting: A Modelling Approach, Wilhelm Ruhe

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

The German Military Geophysical Office (GMGO) issues BIRDTAM (Bird Warning to Airman) on the basis of current bird observations in order to reduce bird strike danger during low-level military missions. BIRDTAM force pilots to avoid or leave airspaces with high bird densities at the specific time period, therefore reducing bird strike danger significantly. However, BIRDTAM are depending on the actual observation of bird movements, are issued often unexpectedly, disturb the flight missions and can only display the risk situation with a validity of about 2 or 4 hours in advance. In order to be aware of possible bird related restrictions …

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Elmendorf Afb Bash Program, Robert J. Hahn , Capt, Usaf Aug 2001

Elmendorf Afb Bash Program, Robert J. Hahn , Capt, Usaf

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

Elmendorf AFB, located in Anchorage, Alaska, is home to over 60 aircraft to include F-15s, C-130’s, E- 3’s, C-12s, and Army Citations. In addition, it’s a major hub for both military and contract strategic airlift enroute to the Pacific. The large airspace training areas make Alaska an ideal environment suitable for large scale flying exercises. The result is several different types of aircraft from military sister services and foreign countries based out of Elmendorf throughout the year. Overlay the tremendous volume of air traffic on the huge numbers of birds in a confined area and your bound to have collision …

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Counting Bird Strikes: Old Science Or New Math?, Gary F. Searing Aug 2001

Counting Bird Strikes: Old Science Or New Math?, Gary F. Searing

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

Airports use bird strike statistics to determine whether or not their bird control programs are necessary and effective. For example, each year Transport Canada publishes the number of bird strikes at Canadian airports and analyzes data from airports with the most strikes. While we often relate the number of strikes to the number of aircraft movements, we seldom relate the number of strikes to the hazardous species of birds. Richard Dolbeer and his co-authors (2000) ranked species according to their hazards to aviation based on the risk of damage or effect on flight they pose. I present a method for …

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Factors Influencing The Incidence Of Bird-Strikes At Melbourne Airport, 1986-2000, W. K. Steele Aug 2001

Factors Influencing The Incidence Of Bird-Strikes At Melbourne Airport, 1986-2000, W. K. Steele

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

The results of 149 surveys of bird species’ distribution and abundance at Melbourne Airport between January 1997 and June 2000, together with local weather information and bird-strike data were used to assess the comparative importance of a number of variables affecting the incidence of bird-strikes at the airport. At least 36 bird and bat species were involved in ‘bird-strikes’ at Melbourne Airport between 1986 and 2000, although only 11 species were involved in 10 or more incidents. The Australian Magpie (Gymnorhina tibicen) presents the greatest threat of bird-strikes at Melbourne. Bird abundance and activity are important factors in determining the …

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The Costs Of Birdstrikes To Commercial Aviation, John R. Allan, Alex P. Orosz Aug 2001

The Costs Of Birdstrikes To Commercial Aviation, John R. Allan, Alex P. Orosz

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

Collisions between birds (and other wildlife) and aircraft are known to cause substantial losses to the aviation industry in terms of damage and delays every year. Techniques exist to control bird numbers on airfields and hence to reduce the numbers of wildlife strikes but they are applied at widely different levels from airport to airport. Some of this variation may be due to differing levels of strike risk at the different sites, but much of it is due to the unwillingness or inability of the airports concerned to invest in birdstrike prevention. Part of the reason for this reluctance to …

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The Need For A Radar-Based, Operational Bird Warning System For Civil Aviation, Hans Blokpoel, B. Mackinnon Aug 2001

The Need For A Radar-Based, Operational Bird Warning System For Civil Aviation, Hans Blokpoel, B. Mackinnon

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

Serious multi-engine strikes on civil aviation aircraft continue to occur despite bird control efforts at and around airports. Radar-based bird warning systems currently used in military aviation are largely unsuitable for operational use in civil aviation because of the considerable constraints and inflexibility inherent in civil aviation operations. Pilots of civil aviation aircraft need to get timely, pertinent information on bird hazards, complete with options on how to minimize the associated risk. Recent advances in the design of radars and computers allow for the development of a real-time radar-based system to detect and warn of high-risk situations involving birds. High-risk …

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U.S. Fish And Wildlife Migratory Bird Permits And Airports, Marlys J. Bulander Aug 2001

U.S. Fish And Wildlife Migratory Bird Permits And Airports, Marlys J. Bulander

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

The Migratory Bird Treaty Act (MBTA) protects over 800 species of migratory birds, their nests and eggs. The U.S. Fish and Wildlife Service (Service) has been mandated by this Act to provide this protection and to facilitate exceptions to the prohibitions of the Act by issuing permits for specific and justifiable activies involving migratory birds. Regulations covering permits can be found in the Code of Federal Regulations (CFR), Part 50. 50 CFR 10 will provide you with definitions and a list of all birds protected under the Act, 50 CFR 13 provides information on applying, renewing, amending, etc., and 50 …

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All Birds Are Not Created Equal: Risk Assessment And Prioritization Of Wildlife Hazards At Airfields, Nicholas B. Carter Aug 2001

All Birds Are Not Created Equal: Risk Assessment And Prioritization Of Wildlife Hazards At Airfields, Nicholas B. Carter

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

In order to most effectively control wildlife at an airfield, airport managers must first identify and prioritize the hazards posed by the different species present in their environment. A formula including ten primary risk factors is presented in order to determine the relative threat posed by individual species or groups of similar species. The ten primary risk factors are:
1) The overall population of the wildlife species (in total number of individuals)
2) The size (mass and surface area) of an individual animal within the species
3) The average number of animals encountered (i.e. average group size)
4) The amount …

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