Diversity current knowledge and the significance of the flora of Tasek Bera Ramsar Site Pahang Malaysia

Chew M. Y., . and Rafidah A. R., . and Ummul Nazrah A. R., . and Kamarudin S., . Diversity current knowledge and the significance of the flora of Tasek Bera Ramsar Site Pahang Malaysia. pp. 111-120. ISSN 0121-8126

Tasek Bera ” the largest natural freshwater lake in Peninsular Malaysia is made up of a mosaic of micro-habitats and flora communities including open water rassau swamp Lepironia reed-bed seasonal freshwater swamp forest and the surrounding lowland dipterocarp forest. Botanical collecting and transect studies on the various habitats were carried out in 2007 to 2009 the last was part of the Biodiversity Inventory of Ramsar Site in both the wet and dry seasons. The aquatic or swampy habitats covered were Lubuk Gah Bahau Lubuk Hantu Tinggi Lubuk Kuin Lubuk Luon Lubuk Pa Arit Lubuk Ranting Patah Lubuk Regeh Lubuk Sangla Besar Lubuk Sangla Kecil Sungai Bera and Sungai Tasik; while forested habitats surveyed were Batin Md. Nor (Penchok) Camp FELDA Bera 3 and 5 Kampung Gegereh Kampung Jelawat Kampung Pathir Mekok Camp Pos Iskandar Pulau Jelai Taman Herba and Tanjung Kuin. Previous surveys had recorded 52 species of vascular plants from the open water rassau swamp and lowland dipterocarp forest habitats visited representing a mere 6 of the total 807 species from 400 genera and 128 families now known to occur in Tasek Bera. Satellite imagery records that 67 of Tasek Bera consists of freshwater swamp forest. However this habitat type is still the least known despite numerous field surveys due to logistic difficulties in accessing these boggy swamps sandwiched between tall rassau thickets and lowland dipterocarp forest. Recent surveys in Tasik Chini the second largest freshwater lake in Peninsular Malaysia show that it is much affected by the invasive Cabomba furcata from South America to the extent that rare local aquatic species e.g. Utricularia punctata has been totally out-competed by this Cabomba species. It is of utmost importance that Cabomba species are not introduced into Tasek Bera. The effective protection of Tasek Bera as a Ramsar site by Perhilitan and its local counterparts is therefore extremely vital for the conservation of pristine freshwater lake habitat and its flora in Peninsular Malaysia. Any form of illegal encroachment extraction of timber or other forest products cultural burning of rassau for clearing of waterway or tortoise harvesting should be kept in check. Burnt rassau swamp results in open soils that provide terrestrial weeds the opportunity to become established especially in the dry season as indicated by the results from a hydrosere transect survey.

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Abstract

Tasek Bera ” the largest natural freshwater lake in Peninsular Malaysia is made up of a mosaic of micro-habitats and flora communities including open water rassau swamp Lepironia reed-bed seasonal freshwater swamp forest and the surrounding lowland dipterocarp forest. Botanical collecting and transect studies on the various habitats were carried out in 2007 to 2009 the last was part of the Biodiversity Inventory of Ramsar Site in both the wet and dry seasons. The aquatic or swampy habitats covered were Lubuk Gah Bahau Lubuk Hantu Tinggi Lubuk Kuin Lubuk Luon Lubuk Pa Arit Lubuk Ranting Patah Lubuk Regeh Lubuk Sangla Besar Lubuk Sangla Kecil Sungai Bera and Sungai Tasik; while forested habitats surveyed were Batin Md. Nor (Penchok) Camp FELDA Bera 3 and 5 Kampung Gegereh Kampung Jelawat Kampung Pathir Mekok Camp Pos Iskandar Pulau Jelai Taman Herba and Tanjung Kuin. Previous surveys had recorded 52 species of vascular plants from the open water rassau swamp and lowland dipterocarp forest habitats visited representing a mere 6 of the total 807 species from 400 genera and 128 families now known to occur in Tasek Bera. Satellite imagery records that 67 of Tasek Bera consists of freshwater swamp forest. However this habitat type is still the least known despite numerous field surveys due to logistic difficulties in accessing these boggy swamps sandwiched between tall rassau thickets and lowland dipterocarp forest. Recent surveys in Tasik Chini the second largest freshwater lake in Peninsular Malaysia show that it is much affected by the invasive Cabomba furcata from South America to the extent that rare local aquatic species e.g. Utricularia punctata has been totally out-competed by this Cabomba species. It is of utmost importance that Cabomba species are not introduced into Tasek Bera. The effective protection of Tasek Bera as a Ramsar site by Perhilitan and its local counterparts is therefore extremely vital for the conservation of pristine freshwater lake habitat and its flora in Peninsular Malaysia. Any form of illegal encroachment extraction of timber or other forest products cultural burning of rassau for clearing of waterway or tortoise harvesting should be kept in check. Burnt rassau swamp results in open soils that provide terrestrial weeds the opportunity to become established especially in the dry season as indicated by the results from a hydrosere transect survey.

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Item Type:	Article
AGROVOC Term:	Flora
AGROVOC Term:	Vegetation
AGROVOC Term:	Lowland
AGROVOC Term:	Forests
AGROVOC Term:	Biodiversity
AGROVOC Term:	Forest inventories
AGROVOC Term:	Plant collections
AGROVOC Term:	Identification
AGROVOC Term:	Swamps
AGROVOC Term:	Lakes
Depositing User:	Mr. AFANDI ABDUL MALEK
Last Modified:	24 Apr 2025 00:54
URI:	http://webagris.upm.edu.my/id/eprint/8390

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