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Rare turtle released to the wilds of Cambodia

Conservation biologists hope to rebuild regional population

By Summit Voice

SUMMIT COUNTY —In an age when global biodiversity is collapsing at an astounding rate, it’s good to celebrate small conservation victories, like last week’s release of a rare southern river terrapin to the Sre Ambel River in Cambodia.

Working with government agencies in the region, the Wildlife Conservation Society last week said biologists released one of the most endangered turtles on earth into the wild in an area where the reptiles may be able to re-establish a stronghold.

The female turtle weighs about 75 pounds and has been equipped with a satellite transmitter that will allow conservationists to track its whereabouts – the first-ever satellite monitoring study for this species.

The turtle was captured in the Sre Ambel River by local fishermen in April, 2011. It’s one of only about 200 adults remaining in the wilds of Cambodia, Malaysia, and Indonesia. It was voluntarily turned it over to the WCS Cambodia turtle team instead of being sold into the black market trade, where it would have been sent to food markets in China.

The population in the Sre Ambel River is estimated at less than ten nesting females. Thus, this individual is extremely important for maintaining genetic diversity of this species that has already suffered drastic population declines.

Biologists with the Wildlife Conservation Society believe the population has an excellent chance of recovery as the coastal mangrove forests of Southeastern Cambodia are some of the largest and most pristine in Southeast Asia. The habitat is crucial to numerous aquatic and terrestrial animals and are vital nursery areas for marine fisheries.

Conservationists will monitor the turtle’s movements to see how it utilizes this region. Of particular interest is how the turtle navigates through commercial fishing grounds, as well as areas where it could be threatened by other factors such as habitat destruction by sand mining or conversion of mangrove forests into shrimp farming facilities.

WCS notes that numerous studies on similar long-lived species have shown that as little as a five percent increase in annual adult mortality can cause populations to go extinct.

“By reducing the adult mortality of the Southern River terrapin, even by fractions – as little as ten animals a year per population in this circumstance – we can have immediate and long-term positive impacts on the remaining wild populations of this critically endangered species” said Brian D. Horne of the Wildlife Conservation Society.

Heng Sovannara, Deputy Director of Cambodia’s Fisheries Administration’s Conservation Department, is extremely hopeful that the release will enhance efforts to conserve the species.

“By identifying areas that are most utilized by the turtles, we can pinpoint our efforts to reduce the turtles being caught as fishery by-catch as well as targeted hunting,” Sovannara said.

Dr. Sonja Luz, Deputy Director of Conservation & Research for Wildlife Reserves Singapore, said: “This project will contribute greatly to a much brighter future for this critically endangered terrapin. Hopefully, more public awareness and education opportunities will arise from this and allow us to create better protection tools and a safer environment for these amazing reptiles.”

In 2000, a small population of Southern River Terrapins, Batagur affinis, was found in the Sre Ambel after many years of being considered locally extinct.

The turtle was once considered solely the property of the King of Cambodia, but has been decimated by overhunting over the past two decades.

Following the Khmer Rouge and Pol Pot regime, the Cambodian people were left in severe poverty, and with the growing international demand for turtles in China for human consumption, literally thousands of turtles were captured and sent to China for much needed income by the country’s impoverished people.

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One Response

  1. Wish them luck in this endeavor, hope it survives. A prehistoric creature that has survived down through the ages of time, seemingly wiped out by humans, or almost.

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