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Wednesday, July 17. 2013
Rock gecko faces down Singapore cement company
28 Feb 2014
The STAR Tuesday July 16, 2013
Rare finds on outcrops
By TAN CHENG LI
Botanists uncover a flora treasure trove in Merapoh hills.
THE drive along Federal Route 8, or the Gua Musang Highway, in Pahang, is a rather scenic one. Towering over the expanse of oil palm estates, which are broken up in parts by rural kampung and lush forests, are majestic-looking limestone outcrops.
Some 20 limestone karsts – some people say it is at least 30, as not all are shown on maps – are scattered along the road stretching from Chegar Perah to Merapoh in the district of Lipis before the land inches into Kelantan territory. The karsts are highly visible as one makes the drive but surprisingly, they are completely unknown from a botanical viewpoint.
“We looked for data and found no record of the plants there. None of the limestone hills have been botanically explored before. For us, it’s a botanical blank on the map of flora,” says Dr Ruth Kiew, a plant taxonomist at the Forest Research Institute of Malaysia (FRIM).
And so, when her team converged on the hills around Merapoh, there were plenty of interesting discoveries – there were rare, endemic plants, and even an undescribed one. At Gua Gunting, the hill which will be quarried, they recorded over 200 plant species in just two days. This is hardly surprising as limestone hills are known for their rich plant diversity.
Peninsular Malaysia’s limestone hills cover only 0.3% of the land area but are home to 14% of her plant species. Unfortunately, none of the limestone hills in Merapoh are protected, and hence, are at risk from wanton development. The FRIM team made two trips this year, where they surveyed five hills.
“From what we have found so far, it’s a unique place as the flora on each hill is so different. This is unique from my experience of working in Malaysia,” says Dr Kiew, a leading authority on limestone flora. “I expected the flora to be an extension of limestones from Gua Musang (in Kelantan), so I was surprised that the hills are so different and we’re picking up unexpected things.”
One such instance is the discovery of Pararuellia sumatrana var. ridleyi which is previously known only from Batu Caves, Selangor. Pararuellia sumatrana var. ridleyi was thought to grow only in Batu Caves, Selangor, but was recently found in Merapoh.
Another important find is that of a balsam, Rhynchoglossum obliqua, previously known only from Gunung Tupus (at Chegar Perah, south of Merapoh) and another undisclosed site. FRIM scientists failed to locate the plant at Gunung Tupus, now surrounded by oil palms, and believe it has become extinct there.
“This is just one indication of what can happen. If limestone hills are surrounded by oil palms and there is burning to clear the land, that will destroy the flora. If the hills are not protected with a buffer, then it is easy for species to become extinct.”
The Merapoh hills also harbour species of fern, begonia and balsam that grow only on limestone. The scientist also found the Pandanus irregularis which is endemic to Peninsular Malaysia and grows only on the summits of limestone hills.
Some other finds:
> Spelaeanthus chinii – Endemic to Pahang, it was previously known only from Taman Negara and another hill in Lipis.
> Zippelia begoniifolius – Known from only three collections, the last one in the 1930s.
> Monophyllaea musangensis - Previously known only from Gua Musang, Kelantan.
> Tridynamia megalantha – Last collected in Perak in the 1880s.
> Calciphilopteris alleniae - A rare endemic fern known only from five limestone hills.
> Cleisostoma complicatum – This is the third locale for this orchid which is found in Pahang for the first time.
These are just the preliminary findings; the botanists have bags of specimens awaiting analysis and they intend to make more trips to Merapoh.
“We’re just scratching the surface as we’ve only surveyed five hills. We need to survey all 20 hills to document the plants and see which is critically important for conservation because of rare and endangered species. Limestone hills have a lot of micro-habitats. For instance, at the foothills you get plants suited to damp conditions. On the rock face, there are other types of flora and at the hilltop, you get plants which are exposed to the sun. So, you must survey all habitats to get a complete list of the flora,” says Dr Kiew.
She adds that surveys of fossils, micro-snails and cave fauna are also needed to determine the importance of the hills for wildlife. Preservation of the caves is important, she adds, as they can be part of the Sungai Yu wildlife corridor, a stretch of forest that is important for connecting Taman Negara and the Main Range, the country’s two largest forest complexes.
The STAR Wednesday June 12, 2013
Merapoh ‘cave paradise’ under threat
By NIK NAIZI HUSIN
KUALA LIPIS: Pahang could lose its “cave paradise” which includes at least 85 precious limestone hills and dozens of rare species of flora and fauna should a planned big-scale cement production project in Merapoh, near here, get under way.
“If the cement production project is given the green light, these precious limestone hills and trees will be gone forever. In addition, the crystal clear water in the rivers and streams in the surrounding areas will also be affected. The various species of fish, like the protected ikan kelah and sebarau, will also vanish,” state Tourism and Culture Committee chairman Datuk Mohd Sharkar Shamsuddin said yesterday.
Mohd Sharkar said that various species of flora and fauna spotted there by nature lovers were rarely found elsewhere in the world. Merapoh is also famous as the second gateway to Gunung Tahan, the highest mountain in peninsular Malaysia, aside from Kuala Tahan in Jerantut. He said that there had been studies, including those conducted by researchers from Croatia and Australia, on the uniqueness of the caves. He added that only 85 caves had been explored, saying efforts were under way to explore the remaining 415 caves there.
“We need to gather feedback from all quarters and carry out a thorough study before deciding,” he said, adding that he would raise the issue at the next state executive council meeting.
On the proposed project, Mohd Sharkar, who is Lanchang state assemblyman, said he had little information except that it would last for about 100 years and cover over 243ha.
He added it was still in the planning stages and no blasting work had been carried out.
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