Florida Keys sharks – catching and tagging them for science

For scientist Neil Hammerschlag, it was just another Sunday. He was out cruising the reefs near the Florida Keys, hunting for sharks — not as trophies, but for research aimed at keeping them out of display cases and in the water 다운로드. In many places, these iconic predators are disappearing.

A research assistant professor at the University of Miami, and the director of its R. J 다운로드. Dunlap Marine Conservation Program, Hammerschlag spends every other weekend in southern Florida dragging baited, shark-safe lines behind a boat, hoping one of his research subjects will take a bite 다운로드.

When he and his team catch one, they outfit the shark with either a satellite tag or an ID tag, take tiny samples of muscle and fin and a vial’s worth of blood (they check to see if the shark is pregnant), then send the shark on its  way 마인크래프트 정품 무료. The whole process takes about five minutes.

Overall, many shark species are facing steep declines. Figuring out what is driving that trend, and reversing it, is a big motivation of Hammerschlag’s research 아담스 패밀리 2019 다운로드. “We know a lot of shark populations are in trouble, but the question is, what is happening to Florida Keys sharks?” he said. “And if you want to be effective at conserving them, what would it take?”

via Science on MSNBC

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