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Vietnam's New Nature Reserve, Khe Nuoc Trong, Is a Sign of Hope for Biodiversity

In a move wildlife conservationists are hailing as a victory, Vietnam has established a new nature reserve encompassing critical habitat for numerous species, several of them threatened globally with extinction.

Located in Quang Binh Province in central Vietnam, the Dong Chau-Khe Nuoc Trong Nature Reserve spans 22,132 hectares of lowland evergreen forests in the Truong Son Mountains, known internationally as the Annamite Mountains. The area sits to the south of Phong Nha-Ke Bang National Park, home to the world’s largest known cave. The name of the new reserve, whose creation was first reported by state media in July,  means “clear water in the ravine” in Vietnamese.

“In theory, as a nature reserve, Khe Nuoc Trong will have the highest level of protection, including no resource extraction and no tourists in strictly protected ecological rehabilitation zones,” Trang Nguyen, founder of the Hanoi-based wildlife conservation group WildAct, explained. The area was previously administered as a watershed protection forest.

A view over the area that is now the Khe Nuoc Trong Nature Reserve and the nearby Bac Huong Hoa Nature Reserve, photographed in 2017. Photo by Viet Nature Conservation Centre/Pham Tuan Anh.

Lobbying for the creation of the reserve was spearheaded by Viet Nature Conservation Centre, an NGO based in Hanoi, with support from several international conservation organizations. Pham Tuan Anh, Viet Nature’s president and co-founder, said her group and its predecessor, BirdLife Vietnam Programme, have been working in the region for about two decades.

According to Tuan Anh, threatened species thought to be living in the new reserve include the sao la, two species of muntjac deer, the Annamite striped rabbit, the Sunda pangolin, the southern white-cheeked gibbon, the red-shanked douc langur, and the crested argus, which resembles a drab peacock.

The forest is also within the historical range of the endemic, critically endangered Edwards’s pheasant, a bird species that may be functionally extinct in the wild. “There are plans to reintroduce this species and a very strong team for [its] recovery” inside Khe Nuoc Trong, Tuan Anh said.

The sao la, a mysterious antelope-like bovine with a pair of long, straight horns, is of particular interest. The species was scientifically described based on remains found in 1992, and is so rare it has been called the “Asian unicorn.”

Tuan Anh said a team from BirdLife Vietnam Programme found the remains of a sao la killed by hunters in Khe Nuoc Trong in 2002, and that Viet Nature’s camera traps and surveys of the forest over the past decade “show very strong hope for the sao la to persist there.”

Nguyen, however, argues against confidence that the sao la may be found in Khe Nuoc Trong. “I think it’s a misleading claim to attract people’s attention as they are so rare. As far as I know, a live sao la has never been recorded in Khe Nuoc Trong,” said Nguyen, who has taken part in wildlife surveys in neighboring areas but was not involved in the new reserve’s creation.

Conservationists hope that the elusive and critically endangered sao la might reside in Khe Nuoc Trong. Photo by David Hulse/WWF.

In fact, according to the Saola Working Group, a scientific and conservation body under the IUCN Species Survival Commission, no biologist has ever observed a living sao la in the wild. The only records of the species in its natural habitat are a few camera trap photos, the most recent ones captured in an undisclosed part of central Vietnam in 2013. Prior to that, there hadn’t been a confirmed sao la sighting in Vietnam since 1998.

Tuan Anh also cautioned against focusing too much on the sao la. “It’s sad that there are so many highly threatened but highly neglected species, such as the Edwards’s pheasant and crested argus,” she said. “Even without the sao la, in my view Khe Nuoc Trong is still second-to-none thanks to its outstanding biodiversity values.”

Conservationists say the establishment of the nature reserve is crucial to the area’s future health.

“Like many countries, in Vietnam, protected areas are the cornerstone of biodiversity conservation,” Josh Kempinski, country director for the UK-based conservation NGO Fauna & Flora International, said in an email. “In terms of maintaining habitat and at least trying to address poaching and other threats, they have proven to be a key tool.”

Kempinski also contested the sao la claim, and added that Khe Nuoc Trong is not “the last substantial area of lowland forest in Vietnam,” as claimed in a press release from the University of Leeds, though it is without doubt a vital region. Such forests also exist in northern regions, other parts of central Vietnam, and the Central Highlands, he said, although many are degraded, a fate conservationists hope to avoid in Khe Nuoc Trong.

A view of Khe Nuoc Trong Nature Reserve. Photo by Hue Leminh/Viet Nature.

The forest’s previous status as a watershed protection area provided little defense against hunting and snaring, which are rife throughout Vietnam’s unprotected forests, including Khe Nuoc Trong. Moreover, that lower level of protection leaves forests vulnerable to rezoning for mining, infrastructure development or agriculture, though Khe Nuoc Trong is in fairly good shape.

The status upgrade to nature reserve, one of several categories of protected area known collectively as “special use forests,” confers additional defenses against development. Such forests “are not entirely inviolate,” Kempinski said. “But only small-scale developments like resorts or cable cars are ever approved by the government, rather than wholesale re-zoning or clearing.”

Still, Khe Nuoc Trong’s newfound official protection doesn’t exempt it from a raft of major threats.

“Similar to many other protected areas and national parks in Vietnam, it is facing huge threats from land conversion, human encroachment, timber extraction and a high density of snare traps,” Nguyen said. “Khe Nuoc Trong is also close to the international border with Laos, meaning it might be a challenge to protect the forest from illegal poachers and wildlife traders.”

Tuan Anh, from Viet Nature, readily acknowledged these threats, and also responded to a question about whether Khe Nuoc Trong’s new prominence could attract hunters or poachers.

“This was our concern a few years ago when the site hadn’t been upgraded to a protected area,” she said. “While it now might get more attention from poachers, it is also receiving more care from local communities and local authorities, and support from donors, both domestically and internationally.”

Kempinski elaborated on the protections that should come into place with the nature reserve designation. “There are strict punishments for logging or hunting, and to achieve these changes, the reserve will have a new ranger force, bigger management board, and a bigger budget,” he said. “They are also legally obliged to develop a management plan.”

A captive Edwards’s pheasant. The critically endangered species may be functionally extinct in the wild, but the Khe Nuoc Trong Nature Reserve is within its historic range. Photo by Flickr user Kitty Terwolbeck (CC BY 2.0).

Fauna & Flora International did not contribute to creating the new reserve, but is working with a Vietnamese conservation organization to establish another protected area, in Kon Plong, a densely forested part of the Central Highlands home to rare endemic species that faces the same threats as Khe Nuoc Trong.

Officials there have responded positively to this idea, and Kempinski said he sees this, combined with the creation of the Khe Nuoc Trong nature reserve, as examples of a positive trend. “While the competition for land and resources has never been greater, and the threats remain very significant, I see growing understanding and prioritizing within the government for more balanced and sustainable development, and that includes conserving forests, biodiversity and ecosystem services,” he said.

Unicorn or no unicorn, the forests of central Vietnam have certainly surprised experts before. Last year, camera traps in the region captured images of the silver-backed chevrotain, a deer-like species the size of a large rabbit that hadn’t been seen in almost 30 years.

Given such possibilities, conservationists are excited, though they remain cautious as well.

“The creation of the nature reserve is great news and a great achievement,” Nguyen said. “But it can only benefit threatened species living in this area if good law enforcement is in place.”

[Top photo: A red-shanked douc langur leaps across a tree in Phong Nha-Ke Bang National Park]

This article is republished from Mongabay under a Creative Commons license. Read the original article here.

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