Barge brings tons of ocean debris to Seattle

2015-08-08 21:28


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Juneau - Hundreds of tons of marine debris have been collected from the shores of Alaska and British Columbia as part of an unprecedented clean-up effort that an organiser says barely made a dent in the rubbish that remains on beaches.

A barge heaped with white, heavy-duty bags and loose piles of Styrofoam, bottles, commercial fishing gear, thousands of large buoys and other items arrived in Seattle on Thursday, three weeks after picking up its first load in Kodiak, Alaska.

Some of the debris collected likely was swept to sea by the 2011 tsunami in Japan, which killed thousands of people. But marine debris in general, including rubbish such as plastics and fishing nets, is an ongoing environmental problem.

In Seattle, volunteers will have to pick through the piles, sorting what can be recycled or returned and what must be taken by train to a disposal site in Oregon. The process could take a couple weeks, said Janna Stewart, tsunami marine debris co-ordinator with the Alaska Department of Environmental Conservation.

Still, project organisers were relieved when the barge docked in Seattle after a largely uneventful journey. There were no major weather delays along the way that would have racked up costs, and the bags held up as they were hoisted by helicopter to the barge from often remote, rocky beaches.

"Having it come in was just incredibly gratifying," Stewart said.

Officials say the project, unprecedented in scale in Alaska, was spurred by the amount of material that has washed ashore; the high cost of shuttling small boatloads of debris from remote sites to port; and a demand by the Anchorage landfill that fishing nets and lines - common debris items - be chopped up, a task that Stewart called impossible.

The mass of debris collected and loaded onto the barge, which is roughly the size of a football field, represents just 1 to 2 percent of the clean-up work that remains in Alaska, said Chris Pallister, president of the clean-up organisation Gulf of Alaska Keeper, which co-ordinated the project.

Alaska has more coastline than all other coastal states combined, and Pallister estimates that crews could fill the barge three more times from what remains on one island alone, Montague Island in the Gulf of Alaska.

The area on Montague that needs to be cleaned is 120km long, Pallister said. Over the past three summers, clean-up crews have covered 16km of that stretch and filled at least 1 300 heavy-duty "super-sacks," he said.

Many of sites that have been cleaned are remote - not the kind of beaches that attract tourists. But it's important to clean the areas since disintegrating foam can seep into salmon streams or be ingested by birds, Stewart said. There is also concern with the impact of broken-down plastic on marine life.

Pallister worries about securing funding to continue the clean-up work. The barge project was funded in part with $900 000 from the state's share of a $5m gift from the Japanese government for states affected by tsunami debris. Pallister's group committed $100 000. The total cost of the effort was still being tallied.

The barge arrived in Kodiak on July 15, where it loaded debris collected in that region in 2013 and 2014. The last stop in Alaska was near Wrangell-St Elias National Park and Preserve. It also stopped in British Columbia.

It can be hard to distinguish tsunami debris from run-of-the-mill debris without identifiable markers.

Before the tsunami, a lot of old fishing gear would land on beaches. But afterwards, there was an inundation of Styrofoam and urethane foam that has continued to be found, Pallister said. Property stakes and crates used by fishermen in coastal Japan also have shown up.

Pallister and Stewart are hoping to find a way to repatriate or otherwise find uses for buoys that have been collected.

Pallister also is hopeful that Japanese volunteers might be available to assist in identifying any personal items or things from an identifiable region that could be returned.

Read more on:    us  |  japan  |  marine life  |  environment  |  conservation

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