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Tsunami Debris Dock Decontaminated; Removal Poses Next Challenge

State and federal biologists say they are confident they have minimized the invasive species threat posed by a derelict dock that washed ashore last month in Olympic National Park. The concrete and steel dock appears to have drifted across the Pacific Ocean after last year's tsunami in Japan. But the story is not over yet.

A tsunami debris response team hiked in with scrapers, ratchets and a shovel to a remote Olympic coast beach. National Park Service ecologist Steven Fradkin says the team spent two days cleaning off all the visible sea life clinging to the huge dock, including Japanese seaweeds and barnacles.

"From a marine invasive species perspective, I think that we have largely nullified the invasive threat from the dock."

Fradkin says the park service is determined to remove the derelict dock from its resting place on a scenic, wilderness beach. It won't be possible to slice it up and haul away the pieces by truck as was done with another tsunami debris dock near Newport, Oregon last summer.

Fradkin says the options here include towing the hulk to sea with a tugboat or lifting out chopped-up pieces by helicopter.

"This is new territory for everybody," remarked Allen Pleus, aquatic invasive species coordinator for Washington's Department of Fish and Wildlife.

A coastal section of Olympic National Park around the beached dock remains closed to the public while the government agencies ponder the next step.

The size and design of the dock which beached on the Olympic coast is virtually identical to the dock remnant that drifted ashore near Newport. Last June, the Japanese consulate confirmed that Newport debris was set adrift by the March 2011 tsunami from the fishing port of Misawa.

/ Wash. Dept. of Fish
Wash. Dept. of Fish

On the Web:

Forks Dock in Olympic National Park (Washington State Marine Debris Task Force)

Copyright 2013 Northwest News Network

Correspondent Tom Banse is an Olympia-based reporter with more than three decades of experience covering Washington and Oregon state government, public policy, business and breaking news stories. Most of his career was spent with public radio's Northwest News Network, but now in semi-retirement his work is appearing on other outlets.
Tom Banse
Tom Banse covers national news, business, science, public policy, Olympic sports and human interest stories from across the Northwest. He reports from well known and out–of–the–way places in the region where important, amusing, touching, or outrageous events are unfolding. Tom's stories can be found online and heard on-air during "Morning Edition" and "All Things Considered" on NPR stations in Washington, Oregon, and Idaho.