The wildlife biologist typically works in the steep, snowy backcountry studying grizzly bears, wolves, picas and other species that roam the Cascades' northern reaches. But when Jon Jarvis, director of the National Park Service , issued a "calling all hands" plea for help in the Gulf, Christophersen was among park employees across the country who jumped at the chance.

"I had to do something," Christophersen says simply.

The slick's leading edge appeared headed directly at West Ship, part of Gulf Islands National Seashore . Encompassing six barrier islands, it stretches 160 miles from nearby Cat Island, Miss., to the eastern tip of Santa Rosa Island, Fla. More than 80 percent of the park is underwater and all of it teems with life threatened not only by BP's uncontrolled spill, but also by the hundreds of thousands of gallons of chemicals dumped in the Gulf to try to break up the oil.

Christophersen, 52, first was assigned to rapid natural resource assessment in advance

via Hillsboro Argus - OregonLive.com

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