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News tagged with freshwater

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 (1) | 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 (17) | comments 25 | 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 4.3 / 5 (7) | 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

A new species of a tiny freshwater snail collected from a mountainous spring in Greece

A new minute freshwater snail species belonging to the genus Daphniola was found by a researcher from University of Athens (Canella Radea) in a spring covered by snow on Mt. Parnassos, central Greece. This study was publis ...

Biology / Plants & Animals

created Nov 01, 2011 | popularity not rated yet | comments 0

Ancient cooking pots reveal gradual transition to agriculture

Humans may have undergone a gradual rather than an abrupt transition from fishing, hunting and gathering to farming, according to a new study of ancient pottery.

Other Sciences / Archaeology & Fossils

created Oct 24, 2011 | popularity 4.8 / 5 (4) | comments 0 | with audio podcast

Teeny teeth indicate ancient shark nurseries

Fuelled by Hollywood and its vision of Jaws, sharks conjure images of fearsome predators patrolling our seas in search of their next unfortunate victim. It is therefore hard to imagine sharks as relatively ...

Other Sciences / Archaeology & Fossils

created Sep 13, 2011 | popularity not rated yet | comments 0

Three dead in US from brain-killing amoeba

Three young Americans have died this year from a rare water-borne amoeba that swims up through the nose and infects the brain, the Center for Disease Control (CDC) said Friday.

Medicine & Health / Diseases

created Aug 19, 2011 | popularity 3 / 5 (1) | comments 0

WWF calls for action to save Mekong dolphins

Conservation group WWF on Wednesday called for urgent action to prevent the extinction of freshwater dolphins in the Mekong River, including the creation of special conservation zones.

Biology / Plants & Animals

created Aug 17, 2011 | popularity not rated yet | comments 2

Researchers discover freshwater mussel species thought to be extinct

Researchers from the Texas A&M Institute of Renewable Natural Resources have discovered fresh remains of a freshwater mussel species thought to be extinct in Texas, according to a research associate with the ...

Biology / Ecology

created Aug 15, 2011 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Researchers study threats to white sturgeon

University of Georgia researchers are working to understand why the nation's largest freshwater fish, the white sturgeon, is struggling in northern California's Sacramento-San Joaquin Bay Delta, an environmentally endangered ...

Biology / Ecology

created Aug 08, 2011 | popularity not rated yet | comments 0

Molecular study shows unexpected effects of toxin

Scientists from the University of Birmingham studying the effects of the widely-used pesticide fenitrothion, have discovered unexpected cell damage in a common freshwater fish, roach, exposed to the toxin.

Biology / Ecology

created Aug 08, 2011 | popularity not rated yet | comments 0 | with audio podcast