trapping


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trapping,

most broadly, the use of mechanical or deceptive devices to capture, kill, or injure animals. It may be applied to the practice of using birdlime to capture birds, lobster pots to trap lobsters, and seines to catch fish. Usually, however, trapping means the capture of land animals larger than rodents by means of deadfall, pitfall, and, especially in modern times, spring-snapped, steel-jawed steel traps. In societies where hunting and fishing are the staple occupations, trapping is used to supply food and, in colder climates, furs for clothing. Since antiquity trapping has been the basis of the fur trade (see furfur,
hairy covering of an animal, especially the skins of animals that have thick, soft, close-growing hair next to the skin itself and coarser protective hair above it.
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). It still occupies a great many people over large sections of the globe, especially in the colder regions, such as N Siberia and N Canada. Trapping has also been used to rid an area of animals thought to endanger the lives of human beings or domestic animals. Spurred by bounty laws, the practice of trapping in the United States in the 19th cent. helped lead to the extinction or near-extinction of many mammals, such as various species of bears, mountain lions, wolves, and coyotes. Modern game management frowns upon trapping and recognizes the importance of predators in the ecosystem. Such trapping as is permitted today in the United States is strictly regulated by law. See wildlife refugewildlife refuge,
haven or sanctuary for animals; an area of land or of land and water set aside and maintained, usually by government or private organization, for the preservation and protection of one or more species of wildlife. Types of Refuges

The U.S.
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; endangered speciesendangered species,
any plant or animal species whose ability to survive and reproduce has been jeopardized by human activities. In 1999 the U.S. government, in accordance with the U.S.
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.

trapping

[′trap·iŋ]
(chemistry)
A method for intercepting a reactive intermediate or molecule and removing it from the system or converting it to a more stable form for further study and identification.
(communications)
(graphic arts)
The process of an already printed ink film accepting a succeeding or overprinted ink film.
References in periodicals archive ?
Our research was designed to evaluate the effectiveness of 2 inexpensive artisanal trap designs as an alternative to the standard McPhail trap for mass trapping fruit flies in Haiti.
Our results provide evidence for the efficacy of scented trap methodology and for the influence of season on small mammal trapping, and should encourage further investigations into questions relating to trapping protocols, such as whether potent or increased amounts of scented paper would increase capture yield.
In this study some wing traps captured more than 400 moths in a 3-day period, indicating that when populations are high, so many moths visit the trap that a fraction continues to be captured even though the trapping surface has been substantially reduced.
The rate of brood rearing in the effect of trapping on honeybee colonies.
Control traps (4 day and 8-12 day) were exposed to 4 or 8-12 previous nights of trapping, respectively, but had not captured an individual during the first or subsequent trapping periods.
Obviously, from the perspective of hourly income, trapping is no way to make a living.
Three aspects of the trap were evaluated: catch size from climbing-sticks with bottle-traps compared with climbing-sticks with a polybutene-based insect trapping adhesive (Oecotak A5[TM], Oecos Ltd, Kimpton, Hertfordshire, England) applied to the uppermost 15 cm of the stick; catch size from climbing-sticks and bottle-traps with and without nets; retention of spiders left in bottle-traps during the day and overnight.
5-m spacing for an cffective trapping area of about 7,650 [m.
We recommend pitfall traps be used only as a complement to other trapping methods when sampling small mammal communities.
The curve is obtained by taking the difference between the trapping and non-trapping runs and then fit to the function y = [y.
Back in the Eastern states a lot of guys still trap, but out West, we don't have much trapping anymore," Sweeney says.
Animal advocate Maral Tejirian supports the decision to educate the public but said coyote trapping will not solve the problem.