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2010, Proceeding of National Biodiversity Seminar 2008, Department of Wildlife and National Parks
A study of field ecology aimed to document small mammals (volant and non-volant) was conducted at less disturbed primary forest of Gunung Gading National Park (GGNP) from 18th to 23rd October 2014. This was a practical study on Field Ecology under the Department of Zoology of Universiti Malaysia Sarawak (UNIMAS). Ten mist nets, two harp traps complete with bags and 45 cage traps were set up for six sampling days. A total of 45 individuals from three orders, six families and 25 species were caught in this study. Of the 12 species, four were frugivorous bats and eight were insectivorous bats. On the other hand, there were comprised of 13 species of non-volant small mammals, seven of them are from the family Muridae, four species from Tupaiidae and two species from family Sciuridae. Our sampling site has several layers of understory and mainly covered with lowland primary forest. This is evidence by the highest abundance of Rhinolophus affinis and R. luctus for volant small mammals, and Maxomys whiteheadi for non-volant small mammals. The increasing species cumulative curve for non-volant small mammals indicates that there may be more species yet to be recorded from this study site compared to Chiropteran. As a whole the study indicates that species diversity of volant and non-volant small mammals is associated with the forest type and level of disturbance in a particular area.
A faunal survey aimed to document small mammals was conducted at Nature Study Centre of Kuala Atok, Taman Negara Pahang from 16th to 23rd May 2008. This survey was part of the Biodiversity Inventory Programme that was organised by the Department of Wildlife and National Parks (DWNP). On average, ten mist nets, two four-bank harp traps, 100 cage traps and 40 Sherman traps were set for six trapping nights. A total of 79 individuals from three orders, seven families and 23 species were caught in this study. Of the 23 species, three were frugivorous bats, 15 were insectivorous bats, four were rodents and one was treeshrew. Our sampling site was bounded by Pahang River and mainly covered with lowland secondary forest. This is evidence by the highest abundance of Long-tailed Giant Rat (Leopoldamys sabanus) for non-volant small mammals, and Fawn Roundleaf Bat (Hipposideros cervinus) for volant small mammals that are adapted to disturbed habitat. The increasing species cumulative curve for Chiropteran indicates that there may be more species yet to be recorded from this study site compared to rodents and treeshrews. Preliminary analysis on the species similarity between our study site to other survey reports in Peninsular Malaysia, positioned Kuala Atok with Krau Wildlife Reserve and Bukit Fraser Forest Reserve that are located adjacent to our study site. This similarity further indicate the importance of future survey in Kuala Atok especially for Chiropterans to properly document the species diversity in this site that may be as rich as other well studied area e.g. Krau Wildlife Reserve.
A faunal survey aimed to document small mammals was conducted at Nature Study Centre of Kuala Atok, Taman Negara Pahang from 16th to 23rd May 2008. This survey was part of the Biodiversity Inventory Programme that was organised by the Department of Wildlife and National Parks (DWNP). On average, ten mist nets, two four-bank harp traps, 100 cage traps and 40 Sherman traps were set for six trapping nights. A total of 79 individuals from three orders, seven families and 23 species were caught in this study. Of the 23 species, three were frugivorous bats, 15 were insectivorous bats, four were rodents and one was treeshrew. Our sampling site was bounded by Pahang River and mainly covered with lowland secondary forest. This is evidence by the highest abundance of Long-tailed Giant Rat (Leopoldamys sabanus) for non-volant small mammals, and Fawn Roundleaf Bat (Hipposideros cervinus) for volant small mammals that are adapted to disturbed habitat. The increasing species cumulative curve for Chiropteran indicates that there may be more species yet to be recorded from this study site compared to rodents and treeshrews. Preliminary analysis on the species similarity between our study site to other survey reports in Peninsular Malaysia, positioned Kuala Atok with Krau Wildlife Reserve and Bukit Fraser Forest Reserve that are located adjacent to our study site. This similarity further indicate the importance of future survey in Kuala Atok especially for Chiropterans to properly document the species diversity in this site that may be as rich as other well studied area e.g. Krau Wildlife Reserve.
2007 •
Some errors: To date, there are more than 90 species of bats recorded in Borneo. Despite the numerous information published on the diversity of bats, it is still considered scarce especially the one on the interior part of Sarawak. A bat survey was carried out at Camp 5, Mulu World Heritage Area from 3rd until 9th April 2012. Rhinolophus affinis was recorded for the first time in Mulu World Heritage Area and this had increased the current list to 41 species of bats for the park. The data represents the first bat survey of Camp 5, Mulu World Heritage Area and this helps to increase the knowledge of the bats diversity in limestone areas in Sarawak.
A three-week field survey was conducted to sample bat species diversity in Malaysia. The survey sampled five localities during August 2006, including one in Peninsular Malaysia and four in Borneo. A total of 259 specimens representing at least 50 species were recorded. Three sampling nights were spent at each locality; four harp traps and 15 mist nets were set most nights. The highest species diversity was recorded in Mount Penrisen (Borneo) with 27 species, whereas the lowest diversity was at Monggis Sub Station and Bako National Park (Borneo) with 13 species each. We added four new geographic records for Sarawak, Malaysian Borneo: Arielulus cuprosus, Hesperoptenus tomesi, Kerivoula lenis, and Myotis adversus; and the second record of Hipposideros doriae in Sarawak. Other findings included a colony of earwigs collected from an Eonycteris major and the documentation of highly developed facial glands on male Hipposideros ater and H. galeritus. Species were identified using traditional skin and skull characteristics as well as mitochondrial cytochrome-b gene sequences that were compared to existing GenBank records. This multifaceted approach, using genetic and morphological identifications, has provided greater resolution to species identification as well as a better understanding of the diversification of Old World Bats from Malaysia. Although in most cases genetic data validated the present taxonomy, there were still a number of cases of cryptic species suggesting an underestimation of the actual biodiversity. This study has demonstrated the value of genetic data in providing an independent test for species boundaries among the 50 species of bats collected (about 40% of the known Malaysian bat fauna). Key words: Borneo, Chiroptera, cytochrome-b, diversification, Peninsular Malaysia. Anwarali, F. A., V.J. Swier, P.A. Larsen, S. Solari, K. Besar, M. Wahap, S. Ellagupillay, M. Marklarin, M.T. Abdullah, and R.J. Baker. 2008. Using Genetics and Morphology to Examine Species Diversity of Old World Bats: report of a recent collection from Malaysia. Occasional Papers at Museum of Texas Tech University. http://www.nsrl.ttu.edu/publications/opapers/ops/OP281.pdf
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2008 •
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