http://www.physorg.com/ en-us Physorg.com internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. In a case closely followed by environmental and business interests, a rewritten plan for restoring endangered and threatened wild salmon runs on the Columbia and Snake rivers in Washington state and Idaho includes studying the possibility of breaching four major hydroelectric dams if other steps don't reverse the decline. http://www.physorg.com/news172257798.html Biology Wed, 16 Sep 2009 00:00:01 EST news172257798 Wildlife imports into the United States are fragmented and insufficiently coordinated, failing to accurately list more than four in five species entering the country, a team of scientists has found. The effect, the scientists write in a paper in this week's issue of Science, is that a range of diseases is introduced into the United States, potentially decimating species, devastating ecosystems and threatening food supply chains and human health. http://www.physorg.com/news160321726.html Biology Thu, 30 Apr 2009 14:50:09 EST news160321726 U.S. Forest Service Southern Research Station (SRS) Ecologist Jim Miller, Ph.D., one of the foremost authorities on nonnative plants in the South, today identified the invasive plant species he believes pose the biggest threats to southern forest ecosystems in 2009. http://www.physorg.com/news150991399.html Space & Earth Mon, 12 Jan 2009 14:03:19 EST news150991399