Manta rays lacking libido in empty blue seas around the Maldives: The Guardian

” ‘Mantas!’ shouts Guy Stevens from the top deck, pointing to huge bat-shaped shadows gliding under the rippling, turquoise water of Hanifaru bay in the Maldives,” writes Damien Carrington for the UK’s Guardian newspaper.

“Mantas are protected in the Maldives and had been faring relatively well,compared with populations in Sri Lanka, Indonesia and elsewhere, where thousands of the inquisitive creatures are slaughtered each year to supply the Chinese traditional medicine market.

But Stevens is worried by a new threat. Usually about a third of the females are pregnant every year, he says: ‘But then – boom – in 2009 reproduction just stopped.’

‘Is this part of long-term natural cycles or is it something more sinister, related to climate change and human impacts?’ asks Stevens, founder and chief executive of the Manta Trust, which runs its Maldives programme from the Four Seasons resort on Landaa Giraavaru island, with the company funding the Trust’s staff and operations.

‘I suspect it is not natural,’ he says. ‘The meteorological people say the monsoon is changing [from usual patterns], and the fishermen who have been out there for 50 years say it is definitely changing.’

Stevens has been tracking the Maldive mantas for eight years and has 15,000 sightings of 1,500 individuals from the last four years alone. Their feeding events correlate closely with the average speed of the winds, which have been blowing less strongly overall in the past four years.

Weaker winds are less effective at stirring up the seas, meaning the nutrients needed for plankton to bloom are missing. “If primary production is affected, that passes up through the food chain and affects the mantas,” he says, adding that mantas bring in about $20m a year in tourism revenue for the Maldives.”

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Ministry drags heels on shark hunting ban

The Ministry of Fisheries has deferred implementing a total ban on shark hunting, citing concerns over finding alternative livelihoods for shark fishermen.

In a press release issued on Monday, the Ministry said a total ban on shark hunting will come into effect but only after the cabinet discusses the issue in a meeting understood to take place next Tuesday.

The press release, at times confusing and poorly worded, also appears to imply that the shark hunting ban will not be enforced until all shark fishermen find alternative livelihoods.

Meanwhile environmentalists are disappointed at the Ministry’s failure to implement the promised shark-hunting ban on time.

On 1 March 2009, the Ministry of Fisheries announced a ban on hunting reef sharks in the Maldives. The 2009 ban did, however, permit the hunting of oceanic sharks 12 miles or more from the Maldivian coastline. The Ministry said they would impose a total ban on all shark hunting by 1 March 2010.

At the time, the ministry said it needed a year before introducing the total ban in order to facilitate alternative sources of income for shark fishermen.

“A year is a long time to prepare for a shark ban, but the Ministry has made no attempt to find alternatives for these fishermen” says Ali Rilwan, director of environmental NGO Bluepeace.

The delay

“If government does not have funds [to find fishermen new jobs], they could appeal directly to the beneficiaries, to those who love sharks. For a noble cause, a lot of people will contribute,” suggested Rilwan.

He says resorts, dive schools and well-wishers could help compensate and find alternative mechanisms for fishermen, adding that all stakeholders have to shoulder the responsibility.

Director General of Environmental Research Center, Dr Mohamed Shiham Adam, says the government still needs to consider the impacts of a total ban: “How many fishermen will be affected, and how much [fishing] gear will have to be thrown away?”

“It is a difficult time for the fishing industry. Fishermen are unable to pay back loans they have taken, and the industry is in such a dire condition that MPs have planned to give subsidies also,” Dr Shiham added.

Dr Shiham did say that the government was determined to implement the total ban.

“No matter what happens in the cabinet meeting, the government is steadfast in its intention,” he said.

Dr Shiham said that the government is working with private tuna export companies to increase job opportunities. He further noted that the government is offering loans for the development of small and medium sized enterprises for fishing and agriculture.

But independent experts are unimpressed with the Ministry’s progress over the past year.

“If we had done awareness programmes through the year, it would have been easier to implement the shark ban now,” said Marie Saleem, an environmental consultant who helped draw up the 2009 ban.

“The responsibility to find alternative income opportunities lies with both parties, the fishermen and the government. The latter has to provide aid to enable the fishermen to find an alternative source [of income].”

More valuable alive

Tourism Minister Dr Ali Sawad is a firm advocate of the ban on shark hunting. Diving and snorkeling trips net the Maldivian tourist industry tens of millions of dollars per year, and many divers say sighting a shark is the highlight of an underwater visit.

Dr Sawad said the tourism industry would be prepared to help former shark fishermen.

“The tourism industry will shoulder their part and other sectors also have to participate and give their due share,” he said.

He added that the shark ban would give tourism a boost, which would benefit the wider economy.

“This is not just a tourism issue. It is a national issue.”

Environmental Enforcement

Guy Stevens, a marine biologist at the Four Seasons resort Landaa Giravaru, in Baa Atoll, says enforcement of any proposed ban is of paramount importance.

“Shark fishing is already banned in and around atoll waters. However, it is still happening. Some people are even shark fishing in Marine Protected Areas (MPAs),” he said.

Stevens says photographic evidence of fishermen hunting sharks within Baa Atoll, complete with boat registration numbers, had been forwarded to the relevant authorities but no action has been taken.

He acknowledged that shark fishermen need help to find alternative sources of income “but the penalties should be there and action taken if a person breaks the law.”

“In the last five to six years, there has been a huge decrease in sharks. During every dive we used to see at least see half a dozen sharks… now half a dozen are spotted in a year.”

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