September 2, 2010


Famed Tasmanian devil euthanized after tumor found

A Tasmanian devil named Cedric, once thought to be immune to a contagious facial cancer threatening the iconic creatures with extinction, has been euthanized after succumbing to the disease, researchers said Wednesday.

The death of the devil — previously heralded as a possible key to saving the species — is another blow for scientists struggling to stop the rapid spread of the cancer, which is transmitted when the furry black marsupials bite each other.

"It was very disappointing indeed," said scientist Alex Kreiss of the Menzies Research Institute in Hobart, Tasmania, which has led the studies on Cedric. "It's just made us more determined to keep the research going."

Yahoo! News - [Associated Press]
K Gelineau
01 Sept 2010

Many Urban Streams Harmful to Aquatic Life Following Winter Pavement Deicing

The use of salt to deice pavement can leave urban streams toxic to aquatic life, according to a new U.S. Geological Survey study on the influence of winter runoff in northern U.S. cities, with a special focus on eastern Wisconsin and Milwaukee.

More than half of the Milwaukee streams included in this study had samples that were toxic during winter deicing. In eastern and southern Wisconsin, all streams studied had potentially toxic chloride concentrations during winter, with lingering effects into the summer at some streams. Nationally, samples from fifty-five percent of streams studied in 13 northern cities were potentially toxic; twenty-five percent of the streams had samples that exceeded acute water quality criteria.

01 SEP 2010

Cited Journal Article

Dry climate might save bats: Scientists watching for signs killer fungus moving into Nevada

Biologists are hoping that Nevada's arid climate will keep a fungus from taking hold in caves and mines where hibernating bats would be vulnerable to white-nose syndrome, a condition that has killed more than 1 million bats in the Northeast.

...No cases of white-nose syndrome have been reported in Nevada, but wildlife officials are worried that it could be transmitted by bats from the East that migrate to Texas, a destination as well for millions of bats that migrate southward through Nevada in the late summer and early fall.

...The BLM's Stay Out, Stay Alive campaign discourages the public from entering abandoned mines for safety reasons. The agency's news releases warns that exploring mines where bats lives "increases the likelihood of spreading the white-nose syndrome fungus."

Las Vegas Review-Journal -
01 Sep 2010
K Rogers

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