Iowa - the Sioux City Journal reports an increasing number of the state's waterways have been categorized as impaired - largely by large scale agricultural use, but also in part due to stricter monitoring.
According to the Journal, "Iowa's rivers, lakes and streams are under increasing pressure from urban development and an agricultural sector driven by high corn and soybean prices to move more Iowa acres out of conservation into production.
Land taken out of conservation can lead to greater soil erosion, meaning soil runs off land along with rainwater into waterways, reducing water quality.
The state's growing urban areas also contribute to the problem, as concrete replaces soil that normally would absorb rainwater."
Read more at: http://www.siouxcityjournal.com/articles/2008/09/14/news/top/5e4a610c44c1cd39862574c2008067e6.txt
Sunday, September 14, 2008
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