The Wabash River Ecosystem 在線電子書 圖書標籤:
發表於2024-11-25
The Wabash River Ecosystem 在線電子書 pdf 下載 txt下載 epub 下載 mobi 下載 2024
Despite our enormous environmental problems and the pollution of most of our rivers, there have been very few longitudinal studies of any of our major rivers. Jim Gammon has worked on the Wabash River for 30 years, monitoring its general quality as demonstrated through the populations of the River's many species of fish. The study focuses on a 160-mile stretch of the river between Delphi and Merom, Indiana. Judgments are made about the nature of pollutants and their impact, especially agricultural runoff. Perhaps the most important finding is that reductions in pollutants reaching the river have a fairly immediate effect on the size and health of fish populations.
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The Wabash River Ecosystem 在線電子書 pdf 下載 txt下載 epub 下載 mobi 下載 2024