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Wednesday, December 17, 2008

The Mekong's Hidden Treasures

The Mekong's Hidden Treasures

More than 1,000 has been discovered including 519 types of plants

This is spiny new species discovered in Thailand in 2007 (Copyright: Somsak Panha)

This is known as Cyrtodactylus phongnhakebangensis discovered in Vietnam in 2002
Cnemaaspis caudanivea discovered in Vietnam in 2007 (copyright: L. Lee Grismer)

This is flying frog, thhe blue-spotted tree frog known as Rhacophorus Cynaopunctatus discovered in Thailand in 1998 (Copyright: Chan Kin Onn)

Rhacohorid frog known as Chiromantis samkosensis discovered in Cambodia in 2007 (copyright: L. Le Grismer)

This is smooth-skinned wart frog known as Theloderma discovered in Thailand in 2007 (Copyright: Daicus Blabut)

This is rock rat known as Laonastes aenigamus discovered in Laos in 2005 (Copyright: David Redfiled)

This is rat known as Tonkinomys daovantieni discovered in Vietnam in 2006 (Copyright: Darrin Lunde)

This is Naung Mung Scimitar babbler discovered in Myanmar in 2005 (Copyright: Christopher)

This is called, Lygosoma boehmei (Lizards) discovered in 2007 (Copyright: Thomas Ziegler)

This is Woollyy bat known as Kerivoula titania discovered in Cambodia's Seima Biodiversity Conservation Area in 2007 (Copyright: Gabor Csorba)

This is nocturnal spider known as Heteropoda dagmarae discovered in Laos in 2005 (Copyright: Peter Jager)

Ellopostoma mystax, which is inhabits Thailand's Tapi Basin (Photo: Kampol Udomrittiruj)

Palm-sized wolf snake known as Lycodon cardamomensis discovered in Cambodia, Cardamom Mountains, in 2002 (Photo: Jenny Daltry)
Vogel's green pitviper discovered in Thailand (Photo: Montri Sumontha)
Gumprecht's green pitviper known as Trimersurus gumprechti discovered (2002) in Thailand, Laos, Vietnam, China, and Myanmar (Photo: Rene Ries)

This is Gentiana khammousanensis discovered in Lao (Photo: Royal Botanic garden Edinburgh).

This is beautiful Aeschynanthus mendumiae flower was discovered in Laos, Khammouan province (Photo: Royal Botanic garden Edinburgh)

Source: MSNBC

A new report crowns Southeast Asia's Greater Mekong region as one of the world's hottest spots for biodiversity, with more than 1,000 previously undocumented species discovered over the past decade. But it’s also a hot spot for economic development, which sets up a race to protect what is clearly a biological bonanza.

In all, roughly 25,000 species call the Mekong River basin home. On a species-per-mile basis, the region's waterways are richer in biodiversity than the Amazon, according to "First Contact in the Greater Mekong," a report released today by WWF International.

"This region is like what I read about as a child in the stories of Charles Darwin," Thomas Ziegler, curator at the Cologne Zoo in Germany, said in a news release. "It is a great feeling being in an unexplored area and to document its biodiversity for the first time ... both enigmatic and beautiful."

Nicole Frisina, communications officer for WWF's Greater Mekong Program, told me that "the rate of species discovery is quite prolific as you compare it with other areas of the world." The average works out to two new species every week - and if anything, the pace is accelerating.

From war to wonder
The Greater Mekong Program's director, Stuart Chapman, told me there are a couple of reasons for that quickening pace.

The colored areas represent different parts of Southeast Asia's Greater Mekong region, draining into Cambodia's Mekong Delta.

First, the Greater Mekong region - which takes in areas of China's Yunnan Province as well as Cambodia, Laos, Myanmar, Thailand and Vietnam - includes some incredibly remote areas, such as the Annamite Mountains on the Lao-Vietnamese border.

Under the best of circumstances, traveling to these frontiers is difficult and expensive. And during the region's decades of conflict (including, of course, the Vietnam War and Cambodia's wars), scientific exploration was nearly unthinkable.

"In some regions, there haven't been a lot of scientific expeditions purely because there's been a lot of [unexploded] ordnance around," Chapman said.

That's all changing now: Many parts of Southeast Asia are undergoing intense economic development. Just to cite one example, more than 150 large hydroelectric dams are being planned in the region. And that raises a huge challenge for scientists scrambling to explore the Mekong's lost world.

The 'race against time'
"This poorly understood biodiversity is facing unprecedented pressure ... for scientists, this means that almost every field survey yields new diversity, but documenting it is a race against time," Raoul Bain, a biodiversity specialist from New York's American Museum of Natural History, said in today's news release.

Rising populations and greater economic development are putting wildlife habitat in danger. The World Conservation Union has already added 10 species from Vietnam to its extinction list, and another 900 species are considered threatened.

The WWF (fomerly known as the World Wildlife Fund) issued today's report as part of its effort to preserve the region's biological riches even as the 320 million people living there reach for new economic riches. "You don't have to have people choose between the two," Chapman said. "You can have both, with careful planning."

The organization called on the region's six governments to work together on a conservation and management plan for 230,000 square miles (600,000 square kilometers) of transboundary and freshwater habitats. Chapman said the governments already have identified corridors of land in need of cross-border conservation.

However, he said, "having them identified on the map hasn't resulted in transboundary planning. ... That kind of thinking hasn't really taken hold yet."

Coming attractions
The biological riches could eventually yield new medicines and sustainable food sources for the region's needy populations - or perhaps new attractions for the world's eco-tourists. And for scientists at least, there are plenty of attractions out there, hiding in plain sight.

For example, a new rat species was discovered as a delicacy in a Laotian food market - and scientists traced its evolutionary lineage back to a group of rodents that were thought to have gone totally extinct 11 million years ago. It turned out that the Laotian rock rat (listed as Kha-nyou on the menu) was the sole survivor of that ancient group.

Another previously unknown species of pit viper was first seen by scientists as it slithered through the rafters of a restaurant in Thailand's Khao Yai National Park.

"These are the kinds of surprises that illustrate the diversity of this region," Chapman said.

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