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News tagged with freshwater

A crowning success for crayfish

Nature sometimes copies its own particularly successful developments. A team of scientists from the Max Planck Institute of Colloids and Interfaces in Potsdam and the Ben-Gurion University at Beer-Sheva in ...

Biology / Plants & Animals

created May 21, 2012 | popularity not rated yet | comments 0 | with audio podcast

Common fungicide wreaks havoc on freshwater ecosystems

Chlorothalonil, one of the world's most common fungicides used pervasively on food crops and golf courses, was lethal to a wide variety of freshwater organisms in a new study, University of South Florida researchers said ...

Biology / Ecology

created May 16, 2012 | popularity not rated yet | comments 0

Researchers map fish species at risk from dams

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

created May 10, 2012 | popularity not rated yet | comments 0

Glacier-fed river systems threatened by climate change

Glacial meltwater increases biodiversity in mountainous freshwater ecosystems. As glaciers vanish due to global warming, so will those species dependent upon the icy runoff. This is the conclusion of a study authored by researchers ...

Space & Earth / Environment

created Mar 16, 2012 | popularity 5 / 5 (5) | comments 31

Threats to freshwater mussels and the consequences for ecosystems

At the University of Oklahoma's Aquatic Research Facility in Norman, zoologist Caryn Vaughn shows off freshwater mussels that she's recently collected from rivers in the southeastern part of the state. One river alone may ...

Biology / Ecology

created Mar 13, 2012 | popularity not rated yet | comments 0

New protected areas for dolphins declared

Three new wildlife sanctuaries for Ganges River and Irrawaddy dolphins declared by the Government of Bangladesh.

Biology / Ecology

created Feb 16, 2012 | popularity 5 / 5 (1) | comments 0

Scientist suggests life began in freshwater pond, not the ocean

(PhysOrg.com) -- For most everyone alive today, it's almost a fundamental fact. Life began in the ocean and evolved into all of the different organisms that exist today. The idea that this could be wrong causes ...

Space & Earth / Earth Sciences

created Feb 14, 2012 | popularity 4.5 / 5 (22) | comments 41 | with audio podcast report

Scientists drill two miles down to ancient Lake Vostok

(PhysOrg.com) -- Russian scientists last week finished penetrating more than two miles through the Antarctic ice sheet to Lake Vostok, a huge freshwater lake that has been buried under the ice for millions ...

Space & Earth / Earth Sciences

created Feb 13, 2012 | popularity 4.9 / 5 (7) | comments 0

Streams need trees to withstand climate change

(PhysOrg.com) -- More than twenty years of biological monitoring have confirmed the importance of vegetation for protecting Australia's freshwater streams and rivers against the ravages of drought and climate ...

Space & Earth / Environment

created Feb 10, 2012 | popularity 4.5 / 5 (2) | comments 0

Why are there so few fish in the Earth's oceans?

(PhysOrg.com) -- A Stony Brook University researcher has found that, contrary to popular belief, there are not plenty of fish in the sea.

Biology / Plants & Animals

created Feb 08, 2012 | popularity 4.3 / 5 (22) | comments 28 | with audio podcast

In scientific coup, Russians reach Antarctic lake

After more than two decades of drilling in Antarctica, Russian scientists have reached a gigantic freshwater lake hidden under miles of ice for some 20 million years - a pristine body of water that may hold ...

Space & Earth / Earth Sciences

created Feb 08, 2012 | popularity 4.4 / 5 (8) | comments 6

Route parasite takes to infect fish uncovered

(PhysOrg.com) -- Scientists in Aberdeen have made a discovery which could ultimately help to develop a control for a major cause of infection in farmed fish.

Biology / Ecology

created Jan 25, 2012 | popularity not rated yet | comments 0

Females choose sexier friends to avoid harassment

(PhysOrg.com) -- Scientists have observed a strategy for females to avoid unwanted male attention: choosing more attractive friends. Published today (7 December) in the journal Proceedings of the Royal So ...

Biology / Plants & Animals

created Dec 07, 2011 | popularity 3.8 / 5 (5) | comments 6 | with audio podcast

Turtle embryos speed up development to hatch in the safety of a group

Australian freshwater turtle embryos can sense how developed other babies are in their eggs and then speed up their own growth to hatch with the most advanced of their siblings, according to new research.

Biology / Plants & Animals

created Nov 30, 2011 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Evidence of ancient lake in California's Eel River emerges

A catastrophic landslide 22,500 years ago dammed the upper reaches of northern California's Eel River, forming a 30-mile-long lake, which has since disappeared, and leaving a living legacy found today in the ...

Space & Earth / Earth Sciences

created Nov 14, 2011 | popularity 5 / 5 (3) | comments 2 | with audio podcast