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Essay / Research Paper Abstract
A 7 page paper on trout fishing in the mid-Atlantic region. For years, the practice has played a vital role in the area's economy but man's own abuses have severely damaged the environment and killed off a significant amount of fish. The writer examines this problem, its occurrence, and how it occurs. The production of acid rain and how it disrupts the food web is of primary importance to this discussion. Bibliography lists 7 sources.
Page Count:
7 pages (~225 words per page)
File: D0_Troutfis.doc
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Unformatted sample text from the term paper:
Mid Atlantic states. The plentiful waterways of this region have traditionally produced large quantities of edible trout; spawning big business for those who catch, skin, package, market, and distribute these
denizens of the deep. But as man has not always been kind to his environment, the environment has not always been kind to man. During the last
few decades, trout fishermen in the Mid Atlantic states have suffered from a wealth of socio-environmental problems; the most significant of these being the effects of acid raid on the
fish they hunt. Definitively, "acid rain" is a general name for many phenomena including acid fog, acid sleet, and acid snow. Although we associate the acid threat
with rainy days, acid deposition occurs in Mid Atlantic waterways all the time, even on sunny days. Trout suffer from these conditions when water has a low pH. The pH
of water is measured on a scale which ranges from 0 to 14 with 7.0 being neutral. Anything with a pH value lower than 7.0 is acidic, and anything higher
than 7.0 is basic. The effects of acid precipitation in Mid Atlantic aquatic systems are well documented for lakes, streams, and rivers. In the Mid-Atlantic States, acidification
is associated initially with changes in species composition and lower species diversity and, as the acidification becomes more extreme, with lower biomass. Acid-sensitive species of fish, zooplankton, insect larvae, mollusk,
crustaceans and phytoplankton are replaced of displaced by acid-tolerant forms. Also shifts in the decomposers from bacteria to fungi, which can reduce decomposition dates and interfere with nutrient cycling in
environments already nutrient poor. The first evidence of the biological effects of acidification was reported by fisheries biologists. Fish populations, especially those of brown trout and other forms, were declining
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