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Gulf seafood safety and the government’s response

Since oil began leaking from a rig in the Gulf of Mexico last April, concerns regarding the safety of the region’s seafood abounded. Now, more than two months after the leak was sealed, public officials, federal scientists and even President Obama have all been saying that seafood from the Gulf region is safe to eat. So why aren’t consumers digging in? Several local leaders from the region impacted by the oil spill addressed this topic last week during the most recent hearing of the National Commission on the British Petroleum Deepwater Horizon Oil Spill and Offshore Drilling in Washington, D.C.

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Field Talk: Local spearfishing stories tell of fish depletion in Chile

Historically, spearfishing involved a diver, a harpoon (or spear or trident) and access to an abundant source of fish. However, it has evolved over the centuries—especially within the last few decades—to include boats, masks, snorkeling gear, scuba tanks, wet suits and even spearguns. The modernization of equipment means divers are able to stay underwater for hours and fire mechanically propelled spears at faster rates than a person is able to throw. The result, in theory, is a more fruitful catch.

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From the Community: bearded gobies, animal warfare and sea turtle relocation

Bearded gobies preying on jellyfish in anoxic water, conspiracies of animal warfare, sea turtle relocation in a time of environmental disaster and instances of cheating in the animal kingdom. Here are stories in ecology from the second week of July.

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Feds battle Asian carp invasion in the Great Lakes

In another attempt to locate the potential threat of Asian carp in the Great Lakes, officials began dumping approximately 2,000 gallons of the organic fish poison Rotenone yesterday into a two-mile stretch of the Calumet-Sag Channel, about seven miles west of Lake Michigan. The aim is to kill and count any invasive carp potentially lurking in the waterway as proof that these fish are spreading into Lake Michigan.

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Water pollution turns microbes virulent

An idyllic lake turns threatening when heavy rainfall causes a sewage treatment plant to overflow. Within 24 hours, once-benign microbes turn into virulent pathogens, breeding incessantly and attacking the embryos of lake fish. As much as that may sound like the synopsis of a movie on Mystery Science Theater, this is an impact on lake ecosystems that is actually occurring.

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