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“The 700 fishes now listed represent a staggering 92 percent increase
over the 364 listed as ‘imperiled’ in the previous 1989 study
published by the American Fisheries Society”
“‘Human populations have greatly expanded in many of these
watersheds, compounding negative impacts on aquatic ecosystems,’
noted Howard Jelks, a USGS researcher and the senior author of the
paper.
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US Geological Survey
News Release
http://www.usgs.gov/newsroom/article.asp?ID=2019&from=rss_home
Silent Streams? Escalating Endangerment for North American Freshwater
Fish: Nearly 40 Percent Now At-Risk
Nearly 40 percent of fish species in North American streams, rivers
and lakes are now in jeopardy, according to the most detailed
evaluation of the conservation status of freshwater fishes in the
last 20 years.