Bird Harassment, Repellent, and Deterrent Techniques for Use on and Near Airports (2011) / Chapter Skim
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Pages 10-19
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From page 10... ...
10 CHAPTER FOUR HARASSMENT, REPELLENT, AND DETERRENT TECHNIQUES We begin this section with a tabular summary of relative efficacy of harassment, repellent, and deterrent techniques for birds at airports. Table 1 is a synthesized literature review providing examples of relative efficacy of each technique.
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Gas Exploders Gas-operated exploders, sometimes referred to as gas or propane cannons, offer temporary efficacy for deterring birds from airfields. They have been commonly used to repel pest birds in agriculture and around airports since the late 1940s (Gilsdorf et al.
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Sacramento International Airport is located within the Natomas basin of California, situated in the Pacific migratory flyway for numerous waterfowl and other bird species. Greg Rowe, senior environmental analyst, described their style of wildlife management as a holistic approach that integrates harassment techniques and animal removal, but most important, working with land use and habitat management to reduce use of the airport landscape by hazardous birds.
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Geese were likely habituated to the effigies after a short time. Figure 5 shows an example of a visual repellent in the form of a dead Canada goose.
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(2002) found similar results with American crows.
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Carter (2000b) reported several case studies on the use of border collies.
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(1988) found 4-AP to be effective for reducing blackbird damage to sunflowers, but it was mostly ineffective in fields greater than 2 miles from a roost.
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Exclusion methods used include razor wire, overhead wires, netting, covers (floating and other) , and floating balls such as those shown in Figure 9 (Harris and Davis 1998)
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tested overhead wires as a deterrent to Canada geese around water sources. An 8.3 m grid was placed over small ponds on multiple sites.
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Birds perching on fences, signposts, light fixtures, ledges, or any structure in the airport environment can lead to problems with aircraft (Federal Aviation Administration 2007, 2008)
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