Establishment techniques of some dipterocarps on ex-mining land in Peninsular Malaysia

Ang, L. H. (2005) Establishment techniques of some dipterocarps on ex-mining land in Peninsular Malaysia. [Conference or Proceeding]

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Abstract

Ex-mining lands on Peninsular Malaysia are mainly alienated from natural lowland dipterocarps forests before the 1900s. About 113 750 ha of such degraded land resulted from the mining industries of 1930s. Large tracts of idle ex-mining land formed the landscape of many major west-coast towns of the peninsula. To-date, despite various uses for idle ex-mining lands were encouraged including golf-range, housing and recreational parks, about 80 000 ha remain unutilized. Poor site quality of tin tailings renders the site difficult for growing trees, especially dipterocarps. Some dipetrocarps, such as Shorea leprosula, Shorea platyclados, Shorea parvifolia, Dryobalanops oblongifolia, Shorea ovata and Hopea odorata had been trial planted on ex-mining land. Only Hopea odorata has successfully grown on bare sand and a well-drained slime tailing, and Dryobalanops oblongifolia has been growing well on well-drained slime tailings. Hopea odorata had mean annual height increment (hMAI) of 0.5 to 1.5 m y-1. These two diperocraps have great potential for greening of the idle denuded sites.

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