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Natural splendour in the East

Natural splendour in the East

Thailand's largest remaining tract of lowland evergreen rainforest, and a very important wildlife sanctuary

By: Story and photos BRUCE L. KEKULE
Published: 25/05/2009 at 12:00 AM
Newspaper section: Outlook

During mid-morning at a secluded murky stream deep in the Eastern evergreen rainforest, a single reptile glides effortlessly through the water to a favourite basking spot. Lying on the bank some three metres long, this freshwater Siamese crocodile warms up in the bright sunlight. Judging from the many photographs taken of this individual, it is a mature animal. Sex and actual age are not known, but it has been here for sometime now. The habitat consists of several connecting deep ponds with abundant fish stocks. The crocodile takes occasionally small mammals and birds. It is a lucky but lonely survivor.

 

Lesser Whistling Duck

Khao Ang Rue Nai Wildlife Sanctuary is home to probably the last truly wild Siamese crocodile in eastern Thailand. There are just a few surviving in nearby Cambodia but their future is threatened by the construction of hydroelectric dams. Since Siamese crocodiles can live for 60 to 70 years, it is hoped this individual will be in Khao Ang Rue Nai for some time to come.

Kitti Kreetiyutanont, a forest official working in the sanctuary, recorded the first sighting of this individual in 1987 by photograph. The crocodile still survives to this day, and is a tribute to the tenacity and longevity of the species. However, it is a case in point where humans are to blame for the disappearance of these remarkable creatures, from the lowlands all the way up into the forest; by encroachment, poaching and logging that went on for decades.

 

Siamese Fireback

Some 230 million years ago judging from fossil evidence, the first crocodilians evolved from the Archosaur. Crocodiles have outlived the dinosaur, but here in Thailand, the demise of the wild species is close at hand. In the past, crocodiles were found in just about every main river system throughout the Kingdom. Modernisation has brought these mystical creatures to the brink of extinction. They were mainly captured to stock crocodile farms, and were also killed by the people who mostly feared the sometimes aggressive reptiles. With no laws in place at the time to protect these animals, extinction was imminent.

However, a very small reintroduction programme could be implemented here, and with increased protection, could work to save the remarkable Siamese crocodile from extinction in the wild. There are several other sites that can also be used for reintroduction such as Yot Dom National Park in Ubon Ratchathani province, and Phu Khieo Wildlife Sanctuary in Chaiyaphum province where crocodiles were once common. There are thousands upon thousands of crocodiles in farms, mostly by crossbreeding and hybridisation. A wild population is the only option. A few of the crocodile farms still have Siamese crocodiles taken from the wild and could easily start a programme to save the species. There has been one attempt at a national park to release crocodiles, but it apparently was abandoned. Also, several Siamese crocodiles have mysteriously showed up at Khao Yai and Thung Salaeng Luang national parks and believed to have been released clandestinely. These crocodiles should be captured and DNA checked to see if they are truly wild crocodiles.

 

Variable Squirrel

Khao Ang Rue Nai is situated in the provinces of Chanthaburi, Prachin Buri, Chachoengsao, Chon Buri and Rayong. The sanctuary headquarters is located about three hours drive from Bangkok and was established in 1977 by Royal Decree. The protected area consists mainly (80 percent) of dry-evergreen forest with moist and hill evergreen, dry dipterocarp and mixed-deciduous forests interspersed with many streams, and are eastern Thailand's largest remaining tract of lowland evergreen rainforest in the country. An annual rainfall of some 3,000 to 4,000 millimetres (three to four metres) has been recorded. The sanctuary is 1,030kmsup2 (103,000 hectare) in area and is part of the Prachinburi flood plain. It is the largest protected area of the Eastern Forest Complex, which includes four national parks and three wildlife sanctuaries _ included are Khao Chamao Khao Wong, Khao Khitchakut, Namtok Phlio and Khlong Kaeo national parks, and Khao Soi Dao, Khlong Khrua Wai Chaloem Phrakiat and Khao Ang Rue Nai wildlife sanctuaries. Unfortunately, these protected areas are mere islands in a sea of humanity.

 

Mother elephant and infant

In the old days, the Eastern Forest Complex was known as the Phanom Sarakham forest, and was one of the richest forests in Thailand famed for its abundant flora and fauna covering an area of about 8,000kmsup2. Just a short 50 years ago, this dense, lush and vast jungle was home to large herds

of elephant, gaur and banteng. Tigers and Asian wild dogs were common as were most of the smaller mammals like sambar, serow, wild pig and muntjac (barking deer). Hornbills and gibbons, indicator species of an intact forest, thrived. But that quickly shrank as the human population expanded in causing irreversible damage to the ecosystems.

 

Litle Grebe

Due to its close proximity to Bangkok and other cities, many city hunters entered this forest at night spotlighting, either on foot or by jeep. This decimated the wildlife as everything was taken without regard for species, sex or age. The most damaging was the eight 30-year-long logging concessions carried out by logging companies that cut many roads into the forest. This alone allowed easy access to virgin forest and it was not long before most everything vanished. In the meantime, this wilderness was also completely surrounded by agricultural land, which also took its toll. Fortunately, and before it was too late; enough forest was saved so that the mammals and others were able to survive to the present. Although populations of the large herbivores have declined, they can be still be seen at various sites within the sanctuary. Unfortunately, the tiger has disappeared but a few Asian wild dogs still roam the interior and are at the top of the food chain.

 

Oriental darter

In 1967 when the Vietnam War was in full swing, the government cut many new roads through the forests in eastern Thailand supposedly to facilitate movement of US personnel and equipment from U-tapao Air Base to other airfields in the Northeast. At the end of the Cambodian civil war in 1986, the Thai Army made one such road through the top half of Khao Ang Rue Nai. The impact of the road on this forest and the animals has been devastating and many creatures have been killed or maimed by vehicles on this thoroughfare. The research unit stationed at Khao Ang Rue Nai on road kill, deer and bovid population, Asian wild dogs, elephant management and jungle fowl has carried out much research. Most accidents happened from 6pm to 6am. After much publicity, the road is now closed from 9pm to 5am every day and road kill has dropped 70 to 80 percent. This is a plus for conservation where like-minded people have taken action to help prevent further carnage of wild animals.

 

Freshwater crab

A total of 132 mammals, 395 birds, 32 amphibians and 107 reptile species have been recorded. Thousands of plant and insect species are found. Birds such as the black-and-red broadbill and the Siamese Fireback thrive. The rare woolly-necked stork and lesser adjutant once lived in these forests but have not been seen for sometime and are presumed extinct locally. Rare water birds like the Oriental dater and great cormorant migrate here and stay for several months at a reservoir built near the headquarters. This water source was created for the elephants during the dry season hoping to help eliminate human-elephant conflict. The marauding giants in search of food and water have killed and hurt many people. There are also recent reports of foraging gaur attacking farmers outside the sanctuary by mostly young bulls kicked out of the herd.

 

Bull elephant

The dangers facing Khao Ang Rue Nai are now severe as poachers and farmers snare indiscriminately. Cheap and simple rope snares have killed many elephants, gaur and banteng plus many other mammals. The villagers say they are protecting their crops. But many areas are in close proximity to the forest and interaction between wild beast and humans is a serious problem for the National Parks, Wildlife and Plant Conservation Department, who are constantly under pressure from these conflicts. More personnel and protective management plus a bigger budget are needed to protect these forests.

But it must also be understood by the general public that wildlife sanctuaries are not open to the general public and have been set aside for species conservation, protection and bio-diversity research. Unlike national parks, recreation is not encouraged although it does occur, especially at waterfalls and viewpoints. Needless to say, the future of all conservation areas in the Kingdom is in the balance, and only increased protection, conservation awareness and education are the keys to sustain Thailand's wonderful natural heritage.

In the field

 

Indian Rollers

For capturing images of such elusive creatures like crocodiles and elephants, infrared camera-traps are a very productive alternative to endless days of sitting in a hot photo-blind. Crocodiles are creatures of habit, so I set a camera-trap at its favourite basking spot. The crocodile was caught on film many times during a two-week session. One frame shown below was taken in early morning light. It seems as if the crocodile is smiling, and saying, ''I'm right here''. I was elated to get such a lucky shot.

Khao Ang Rue Nai is currently home to about 130 wild elephants. The road transects the northern part straight through old elephant habitat. The narrow road was widened and resurfaced allowing faster speed. In 2002, a man and woman in a pickup truck barrelling through the sanctuary at high speed did not see the elephants on the road until it was too late. The pickup crashed head-on into a five-year-old tusker. The truck driver was killed on impact, but the woman survived. The young elephant died shortly after.

 

Banteng herd

The ironic circumstances of this accident _ ancient animal and modern machine _ weighed heavy in my heart. I had set camera-traps near the crocodile pond in the sanctuary a couple of weeks before. When the film was retrieved and processed, I was elated that a herd of elephants had triggered one of the cameras producing several frames. One frame showed an inquisitive little tusker looking straight at the camera. My elation quickly subsided a few days after the terrible news on TV and newspaper reports that a small tusker had been killed in the sanctuary. My worst fears were confirmed after consultation with Royal Forest Department officials and comparing photographs. A scar on the dead calf's forehead proved it to be the same animal that I had ''camera-trapped''.

Such accidents are a terrible blow to the conservation of Thai elephants because tuskers are particularly vulnerable, being subject to hunting for their ivory. This young tusker was not the first and probably not the last elephant killed by reckless driving on this road. However, the Royal Thai Army and the Department of National Parks should be commended for taking the initiative by partially closing the road at night. It is hoped that one day the time will be extended from 6pm to 6am to increase the animal's chances for survival. This is the logical step and humans using this road would have to adjust to the new times for the sake of saving the wildlife.

 Posted by admin on May 26 2009 01:49:36 0 Comments : Reads 4451 Print  


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