Ecosystems

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Date published: February 8, 2013

Biologist Roger Hothem Retires from USGS

A wildlife biologist and environmental contaminants expert with the Department of Interior for more than 30 years, USGS Western Ecological Research Center scientist and principal investigator Roger Hothem was given a fond farewell this January in Dixon, California.

Date published: October 29, 2010

Great Lakes Sea Lamprey Control To be Featured on Discovery Channel’s

ANN ARBOR, MI—Sea lamprey control is a “dirty job,” one that TV star Mike Rowe will take on during an upcoming episode of the Discovery Channel’s popular program Dirty Jobs.  The segment will first air on November 2, 2010 at 9:00 EST/8:00 CST.

Date published: October 25, 2010

Mountain Vegetation Impacted by Climate Change

Climate change has had a significant effect on mountain vegetation at low elevations in the past 60 years, according to a study done by the University of California at Davis, University of Wisconsin-Madison, and U.S. Geological Survey.

Date published: October 25, 2010

Wildlife Health Reporting Tools May Help Prevent Human Illness

Two new tools that enable the public to report sick or dead wild animals could also lead to the detection and containment of wildlife disease outbreaks that may pose a health risk to people.

Date published: October 14, 2010

Secretary of the Interior Recognizes USGS and its Collaborators with Partners in Conservation Awards

Secretary of the Interior Ken Salazar selected four U.S. Geological Survey programs and their collaborators to receive a Partners in Conservation Award — The Yukon River Inter-Tribal Watershed Council-USGS Water Quality Monitoring Program...

Attribution: Ecosystems
Date published: September 20, 2010

Southern Calif. Urbanization Isolates Wildlife, Promotes Inbreeding

THOUSAND OAKS, Calif. – Urban development can isolate wildlife populations and promote inbreeding, according to a genetic study of animals in the Santa Monica Mountains by researchers at the National Park Service and the U.S. Geological Survey.

Attribution: Ecosystems
Date published: September 16, 2010

Raptor Gains Honorable Mention in Government Computer News Award Competition

Raptor, the new search engine of the USGS-National Biological Information Infrastructure (NBII), has just been recognized and honored as one of ten 2010 Honorable Mention Winners in the 23rd Annual Government Computer News Awards for Outstanding Information Technology Achievement in Government.
 

Attribution: Ecosystems
Date published: September 13, 2010

Manatee Subspecies Genetically Confirmed, But Diversity Challenge Looms

Gainesville, FL. -- The 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, however, were found to have extremely low genetic diversity, raising questions about their long-term genetic viability.

Attribution: Ecosystems
Date published: September 7, 2010

Potomac River: Ten-fold Increase in Native Submerged Vegetation Reflects Improved Water Quality

The 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 the abundance and diversity of submerged aquatic vegetation (SAV) in the Potomac, according to direct measurements taken during the 18-year field study.

Date published: September 3, 2010

New Report Warns of Expanding Threat of Hypoxia in U.S. Coastal Waters

A report issued today by key environmental and scientific federal agencies assesses the increasing prevalence of low-oxygen “dead zones” in U.S. coastal waters and outlines a series of research and policy steps that could help reverse the decades-long trend.

Date published: September 1, 2010

Are Wolves Saving Yellowstone’s Aspen Trees from Elk?

LARAMIE, Wy. — Previous research has claimed that the reintroduction of wolves to Yellowstone National Park in 1995 is helping restore quaking aspen in risky areas where wolves prowl. But apparently elk hungry for winter food had a different idea.

Attribution: Ecosystems
Date published: August 30, 2010

Climate Change Implicated in Decline of Horseshoe Crabs

LEETOWN, W. Va. — A 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 historical trends in population sizes.