LONDON – Sharks are being slaughtered at an unsustainable rate, with a new study showing that 100 million are being killed every year. The authors of the study, published in the journal Marine Policy, warn that the rate of fishing for sharks, most of which grow slowly and reproduce late in life, is exceeding their ability to recover.
“Sharks simply can’t keep up with the current rate of exploitation and demand. Protective measures must be scaled up significantly in order to avoid further depletion and the possible extinction of many species of shark in our lifetime,” said Boris Worm, a marine biologist at Dalhousie University in Halifax, Canada.
Sharks are caught for their meat, liver oil, cartilage — and especially their fins. Shark finning has been banned by several countries but the researchers found no drop in the numbers of dead sharks, many of which are dumped at sea after their fins have been hacked off. “Their numbers are crashing,” said Elizabeth Wilson of the Pew Global Shark Conservation campaign. “We are now the predators.”
Conservation charities including World Wildlife Fund (WWF) are lobbying hard for the CITES (Convention on International Trade in Endangered Species) meeting now in Bangkok, the first since 2010, to take decisive action on the illicit wildlife trade, with rhino and elephant also under threat. The U.K. Border Force’s specialist Cites team finds illegal items “every day.”
Recent seizures include a box of ivory bracelets, a stuffed snow leopard and four rhino horns worth more than £1 million. Officer Tim Luffman says shark fin and medicines made from tiger are common finds. Ivory, worth around £1,000 a kg, has been outpriced by rhino horn at £40,000 to £60,000 a kg on the black market. Border Force officials are also finding rare orchids, endangered live fish, and coral and birds of prey.
Luffman said: “It’s not the case as it once was of rogue traders so much as organized crime, although of course we still get the tourists and holiday makers trying to bring in souvenirs they’ve bought that they shouldn’t have.”
Heather Sohl, a chief adviser on species at WWF, said Britain was leading the world in taking wildlife crime seriously. “At CITES we will be calling for all countries to be held accountable and for sanctions to be brought to bear if they are not,” she said.
International wildlife trade is diverse. At the moment rhino horn, already popular in traditional Asian medicine, has become hugely trendy in Vietnam in “health” drinks, after a rumor took hold that a government minister was cured of cancer after drinking it. Some 668 rhinos were slaughtered in South Africa in 2012 — up from just 13 in 2007. The trafficking of rhino horn to Asia, where it is prized in traditional medicine “continues to be one of the most structured criminal activities currently faced by Cites,” it says.
WWF has launched a petition to ban all trade in ivory in Thailand, collecting half a million signatures that were presented to prime minister Yingluck Shinawatra last week. The charity is also calling for sanctions against Nigeria, the Democratic Republic of Congo and Thailand, which it says have flouted the law for years.
CITES, founded 40 years ago, is expected to strengthen protection for multiple plant species, including Madagascan ebony and rosewood.
Proposals to protect sharks, which failed in 2010 in the face of opposition from Asian countries, will be considered before the meeting ends on March 14 and may bring in limited export permits.
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