Evaluation of Environmental Data Pertaining to the Green Bay Levee
The book Evaluation of Environmental Data Pertaining to the Green Bay Levee was written by author Sparks, Richard E Here you can read free online of Evaluation of Environmental Data Pertaining to the Green Bay Levee book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Evaluation of Environmental Data Pertaining to the Green Bay Levee a good or bad book?
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Six of 13 samples were described as having common to abundant populations of organisms. Six out of 7 river mile locations contained sparse to abundant populations of benthic organisms. Seven of 13 stations were characterized as being unproductive areas or as having sparse popula- tions, and only one location of 7 was described as having sparse populations of all groups of benthic organisms. The U.S. Fish and Wildlife Service did not supply quantitative data, so it is difficult to know whether a... sample characterized as "abundant" would be comparable to a sample taken in some of 3? * the most productive areas of the Pool, such as Station A of the Illinois Natural History Survey. Once again, the fact that the U.S. Fish and Wildlife Service found some areas where benthic organisms were abundant indicates that the 1966-67 dredging either did not have widespread ef- fects, or that recovery of some components of the benthic fauna occurs within 10 years. Ecologists are fond of using the term "resilience" when talking about the capacity of an ecosystem to resist stress.
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