Research Success Story

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  • Vice Provost for Research & Dean of Graduate Studies
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    Tubman, Jonathan G.
    Vice Provost for Research & Dean of Graduate Studies

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Marine ghostbusters

This is a ghost story that starts with a fishing net that gets loose from its moorings. It drifts in the ocean, entangling sea turtles, trapping seals, snagging fish that act as bait to lure other fish, which are trapped in their turn. Or maybe it damages a fragile coral reef.

Fortunately, that's not the end of the story. Science has its ghostbusters, and they're in pursuit of these derelict nets known as ghost nets, along with the wildlife-killing garbage dumped at sea by freighters and fishing fleets.

The ghostbusters are people like marine biologist and AU environmental science professor Kiho Kim, who goes after marine debris as a member of the Ocean Studies Board of the National Research Council. Their weapons are data, meetings, long hours analyzing research, and ultimately, a national report and testimony to Congress on the changes needed in marine policy and regulations.

The sight of marine debris is familiar to Kim, who spots it whenever he dives around the coral reefs that are the focus of his research. "Every time I go diving, I come back up with a pocket full of weights and lines," he says.

Some of it washes into the sea. A plastic bottle chucked into a clump of water weeds by a Georgetown fisherman can end up in a sea turtle's belly. "Plastic can lacerate intestines. Animals can choke, or their intestines can be blocked up so they can't eat any more," Kim says.

On weekend cleanups at a seemingly pristine Georgetown park he's led AU students to do what they can, in practical ways, to stop trash on the shoreline from washing into the seas.

 But the debris problem, particularly in the ocean, is too big to eliminate with weekend actions. That's why Kim and his colleagues have spent almost two years examining the situation and, in the end, proposing specific solutions.

The National Research Council is, in essence, the research arm of the federal government. Its Ocean Studies Board includes experts in a variety of areas, such as lawyers who looked at regulations, along with some leading marine biologists—including Kim.

The council's report called for the United States and the international maritime community to adopt a goal of zero discharge of waste, a goal that could be closer to reality thanks to a series of policy and regulation changes recommended by Kim and his colleagues.

And that could make a real impact in saving the seas from the specter of wildlife-killing debris.

Adapted from the article "Report to Congress: Tackling Marine Debris," American magazine, Winter/December 2008.