(Phys.org) —Over the last several years, state agencies and environmental nonprofit organizations have targeted dam removal as a way to quickly improve the health of aquatic ecosystems. Dams keep migratory ...

Space & Earth - Environment

May 30, 2013 5 / 5 (1) 0

The stratigraphic record, the sequential layers of sediment that geologists use to reconstruct the history of a landscape, has been described as "more gaps than record." The record, laid down over time as sediment settles ...

Space & Earth - Earth Sciences

May 07, 2013 4.3 / 5 (3) 0

With over 800 mini-hydroelectric plants awaiting approval in Switzerland, the biodiversity of Swiss river ecosystems could be at stake. More enlightened policies could help preserve the environment.

Technology - Engineering

Apr 29, 2013 1 / 5 (1) 0

(Phys.org) —With only 14 percent of their original habitat remaining, native Colorado River cutthroat trout have been forced into isolation by habitat loss and invading non-native trout in relatively short reaches of high-altitude ...

Biology - Ecology

Apr 23, 2013 not rated yet 0

Artificial gas tracers pumped into water at the surface of the Greenland ice sheet have revealed a hidden network of rivers flowing beneath it.

Space & Earth - Earth Sciences

Mar 12, 2013 4.5 / 5 (4) 2 |

The newly described species Alburnoides manyasensis, belongs the large carp family Cyprinidae that includes freshwater fishes such as he carps, the minnows, and their relatives. This is the largest fish f ...

Biology - Plants & Animals

Mar 08, 2013 4 / 5 (1) 0

Forest-living insects and spiders become less abundant and birds are adversely affected along regulated rivers. Three different studies by ecologists at Umeå University show that river regulation has a negative effect also ...

Biology - Ecology

Feb 28, 2013 not rated yet 0

A new analysis of river basins in the western United States suggests that climate change will have the greatest impact on summer stream flows in those waterways that might seem less vulnerable – the large, snow-fed rivers ...

Space & Earth - Environment

Feb 19, 2013 5 / 5 (1) 1

(Phys.org)—University of Adelaide geologists have shed new light on the origin of Australia's largest delta, the Ceduna Delta, and the river systems which drained the continent millions of years before ...

Space & Earth - Earth Sciences

Jan 22, 2013 5 / 5 (3) 1

(Phys.org)—When deadly floodwaters devastated Pakistan in early September, Georgia Institute of Technology Professor Peter Webster and Research Associate Kristofer Shrestha weren't surprised. They had forecasted the disaster ...

Space & Earth - Earth Sciences

Jan 09, 2013 5 / 5 (1) 0 |

(Phys.org)—New research by Martin Todd, Professor in Climate Change at the University of Sussex, Dr Richard Taylor (University College London) and colleagues from the Tanzanian government and British Geological Survey in ...

Space & Earth - Environment

Nov 12, 2012 not rated yet 0 |

Laos has pledged to stall construction of a controversial multi-billion dollar dam on the Mekong river until all its neighbours' environmental concerns have been answered, state media said Friday.

Space & Earth - Environment

Jul 06, 2012 4 / 5 (1) 0

Mathematical models describing the interaction between water flow, vegetation and sediments in river basins are being developed at Aalto University. The hydraulic models will be used to create a basis for ...

Technology - Engineering

Jun 26, 2012 5 / 5 (1) 0

Dams are believed to be one of the biggest threats to freshwater organisms worldwide: They disrupt normal patterns of water and sediment flow, impede migration, and alter the character of spawning and feeding grounds. A shortage ...

Biology - Ecology

May 10, 2012 not rated yet 0

(Phys.org) -- The American West has a drinking problem. On farms and in cities, we are guzzling water at an alarming rate.

Space & Earth - Environment

May 09, 2012 4 / 5 (7) 8