News articles associated with
'U.S. Geological Survey'
Many coastal wetlands likely to disappear this century
— 2 Dec 2010 19:01 | EnvironmentMany coastal wetlands worldwide - including several on the U.S. Atlantic coast - may be more sensitive than previously thought to climate change and sea-level rise projections for the…
Biofuels production has unintended consequences on water quality and quantity in Mississippi
— 30 Nov 2010 21:57 | EnvironmentGrowing corn for biofuels production is having unintended effects on water quality and quantity in northwestern Mississippi…
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…
Elevated nitrogen and phosphorus still widespread in much of the nation's streams and groundwater
— 28 Sep 2010 12:45 | EnvironmentElevated concentrations of nitrogen and phosphorus, nutrients that can negatively impact aquatic ecosystems and human health, have remained the same or increased in many streams and…
Manatee subspecies genetically confirmed, but diversity challenge looms
— 14 Sep 2010 10:55 | BiologyThe first genetic study to compare nuclear DNA of endangered Antillean manatees in Belize with Florida manatees confirmed their designation as separate subspecies. Belize's manatees,…
If the water looks and smells bad, it may be toxic
— 14 Sep 2010 10:52 | EnvironmentEarthy or musty odours, along with visual evidence of blue-green algae, also known as cyanobacteria, may serve as a warning that harmful cyanotoxins are present in lakes or reservoirs.…
Potomac River: 10-fold increase in native submerged vegetation reflects improved water quality
— 8 Sep 2010 11:57 | EnvironmentThe Potomac River in Washington, D.C. is showing multiple benefits from restoration efforts, newly published research suggests. Reduced nutrients and improved water clarity have increased…
Climate change implicated in decline of horseshoe crabs
— 31 Aug 2010 09:30 | EnvironmentA distinct decline in horseshoe crab numbers has occurred that parallels climate change associated with the end of the last Ice Age, according to a study that used genomics to assess…
Afghanistan's Kabul Basin faces major water challenges
— 17 Jun 2010 14:36 | EnvironmentIn the next 50 years, it is estimated that drinking water needs in the Kabul Basin of Afghanistan may increase sixfold due to population increases resulting from returning refugees.…
First detailed national map of land-cover vegetation released
— 15 Jun 2010 02:56 | EnvironmentThe most detailed national vegetation U.S. land-cover map to date was released today by the U.S. Geological Survey (USGS). The map will enable conservation professionals to identify…