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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“Little League” is a side project of “Gifted” creator Yale Stewart 스틱맨 다운로드. A weekly webcomic, it follows the adventures of popular DC comic characters as children in elementary school. Mostly funny, with a dash of pathos, it should be an enjoyable read for any fans of DC Comics characters as well as people who enjoy the traditional syndicated comic strip 유튜브 영화 다운로드.
An electronic ID tag from a rare shark spotted off the (San Diego) county coast in June has popped to the surface near Hawaii, providing local marine researchers with an unprecedented look into the long-distance movements of the second-largest known fish 다운로드.
“I would characterize it as an avalanche of data,” said Van Sommeran said Monday.
Basking sharks have almost disappeared from the West Coast, but biologists at the National Marine Fisheries Service in La Jolla found two last year and outfitted them with satellite-based tracking devices in hopes of learning more about where they roam th14.
Agencies in Canada, Mexico and the United States are trying to safeguard basking sharks, which once gathered near the coastline by the hundreds or thousands 다운로드. In recent years, however, sightings have dwindled and biologists have speculated that as few as 300 swim along the West Coast.
While basking sharks have gaping mouths and can grow up to 40 feet, they aren’t a threat to people 체스게임 다운로드. They are filter feeders that consume large volumes of zooplankton.