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Feds Unveil Plan to Combat Bat-Killing Fungus

Matthew Daly
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CBS St. Louis (con't)

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WASHINGTON (AP) — The Interior Department launched a national plan Tuesday to combat a mysterious disease that has killed more than a million bats in the eastern and southern United States and is spreading west.

The disease, called white-nose syndrome, is caused by a fungus. The disease has spread to 16 states, from New Hampshire to Tennessee, and three Canadian provinces.

Interior Secretary Ken Salazar said the new plan provides a road map for more than 100 federal, state, and tribal agencies and scientific researchers that are tracking the disease and attempting to combat it.

“White-nose syndrome threatens far-reaching ecological and economic impacts,” Salazar said. “We’ve learned a lot in the past few years about the disease, but there is much more work to be done to contain it.”

White-nose syndrome, first identified in upstate New York in 2006, has been found along the Eastern seaboard from New Hampshire to North Carolina, as well as in West Virginia, Pennsylvania, Ohio, Indiana, Kentucky and Tennessee. The fungus has been found in Oklahoma and Missouri, although no bats are known to have died from white-nose syndrome in those states.

The disease has also been found in three Canadian provinces: New Brunswick, Ontario and Quebec. The fungus, but not yet the disease, has been found in Nova Scotia.

Caves on federal lands as far west as Colorado and Wyoming have been closed to the public to try to stem spread of the fungus, but scientists don’t know how the disease is transmitted or even how it is killing the bats.

The fungus grows on the bat’s nose, wings and ears, and one theory is that it irritates these membranes, causing bats to wake often during hibernation and burn so much energy that they starve to death before spring.

But there are signs the fungus is directly damaging wings, which are important for maintaining water balance and blood pressure control, said Jeremy Coleman, who heads the U.S. Fish and Wildlife Service’s response to the problem. The Fish and Wildlife Service, an arm of the Interior Department, is leading the federal response.

The disease does not affect humans, but the fungus can be spread by people’s footwear, and officials said it was important for people to clean their shoes before and after they enter caves.

Lab tests show that several drugs can fight the germ and that some antiseptics might help decontaminate areas where bats live or the shoes and hands of people who visit them, researchers reported at an infectious-diseases conference last fall.

“Decontamination is in my mind the most immediate need,” because people may be helping to spread the disease, Coleman said. That thinking is behind a decision by federal officials to close caves in dozens of states, including some where white-nose syndrome has not yet been found, such as Colorado, Wyoming, Nebraska and South Dakota.

The Interior Department has spent nearly $11 million on white-nose syndrome since 2007, including $3 million to support ongoing research projects looking for methods to control or cure the disease.

Researchers working with the U.S. Geological Survey have identified Geomyces destructans, a fungus new to science, as the presumed cause, said Ann Froschauer, a spokeswoman for the Fish and Wildlife Service. Officials have developed decontamination protocols to reduce transmission of the fungus, monitoring strategies and technical procedures to diagnose it, she said.

Sen. Frank Lautenberg, D-N.J., applauded the new plan, which he said would help protect bat populations in New Jersey and throughout the country.

“Bats are a critical part of our ecosystems, and the spread of white-nose syndrome could have dangerous environmental and economic repercussions if we don’t act now to stop it,” said Lautenberg, who has pushed for more federal spending on white-nose syndrome.

A conservation group called the new plan inadequate — and several years too late.

“White-nose syndrome is wiping out North America’s bats at a nightmarish pace, but the Fish and Wildlife Service response has been hesitant, vague and ultimately not ambitious enough to match the scale of this wildlife disaster,” said Mollie Matteson, a conservation advocate at the Center for Biological Diversity.

Although white-nose syndrome has been killing bats for five years, the government is only now getting around to releasing a response plan, she said.

___

Online:

Federal white-nose response: www.fws.gov/WhiteNoseSyndrome/

Matthew Daly can be reached at twitter.com/MatthewDalyWDC


Copyright 2011 The Associated Press

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