News articles tagged with 'stream'
Great Plains river basins threatened by pumping of aquifers
— 19 Nov 2011 15:49 | EnvironmentSuitable habitat for native fishes in many Great Plains streams has been significantly reduced by the pumping of groundwater from the High Plains aquifer - and scientists analysing…
Biodiversity improves water quality in streams through a division of labour
— 9 Apr 2011 11:43 | EnvironmentBiologically diverse streams are better at cleaning up pollutants than less rich waterways, and Bradley Cardinale, an assistant professor at the U-M School of Natural Resources and…
Sink or source? A new model to measure organic carbon in surface waters
— 5 Mar 2011 14:09 | EnvironmentA new carbon model allows scientists to estimate sources and losses of organic carbon in surface waters in the United States. Study results indicate that streams act as both sources…
World's largest lake sheds light on ecosystem responses to climate variability
— 17 Feb 2011 18:06 | EnvironmentSiberia's Lake Baikal, the world's oldest, deepest, and largest freshwater lake, has provided scientists with insight into the ways that climate change affects water temperature, which…
The ecosystem engineer: Research looks at beavers' role in river restoration
— 4 Jan 2011 22:52 | EnvironmentWhen engineers restore rivers, one Kansas State University professor hopes they'll keep a smaller engineer in mind: the North American beaver…
Global rivers emit 3 times IPCC estimates of greenhouse gas nitrous oxide
— 4 Jan 2011 21:20 | EnvironmentWhat goes in must come out, a truism that now may be applied to global river networks…
Elevated zinc concentrations in Colorado waterway likely a result of climate change
— 16 Dec 2010 17:37 | EnvironmentRising concentrations of zinc in a waterway on Colorado's Western Slope may be the result of climate change that is affecting the timing of annual snowmelt, says a new study led by…
Poor stream health imperils fish
— 2 Dec 2010 19:07 | Environment'Of the 675 fish species found in southeastern waters, more than 25 percent are considered imperilled,' Donald J. Orth, the Thomas H. Jones Professor of Fisheries and Wildlife Sciences…
Most river flows across the US are altered by land and water management
— 3 Nov 2010 19:19 | EnvironmentThe amount of water flowing in streams and rivers has been significantly altered in nearly 90 percent of waters that were assessed in a new nationwide USGS study. Flow alterations are…
A river ran through it
— 16 Oct 2010 10:21 | EnvironmentRivers and streams supply the lifeblood to ecosystems across the globe, providing water for drinking and irrigation for humans as well as a wide array of life forms from single-celled…