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Peat resources survey at dendang and along the batanghari river from jambi
rectangular area of 72,000 ha along the tidal reach of the Batanghari River, northeast of Jambi, Sumatra, has been proposed by the Indonesian government as one of the sites for developing a community to relieve the population pressure in other parts of Indonesia (see figure l). By year 2000, Hanson and Koesoebiono (1975) estimated that a population of perhaps 250 million people would require support. The large areas of unmapped and sparsely settled lowland rainforest that parallel Sumatra's eastern seaboard are among the areas considered for transmigration sites. Such a site should have soil conditions suitable for growing rice, fruits and vegetables, and a source of electricity for irrigation and household application. Peat, which is available on the site, is valuable for crop growing and as a source of energy. Vast peat swamps, which occur in Indonesia's lowlands, contain the fourth largest peat reserve in the world. Katili (1983) cites an estimated 17,000,000 ha. of peat of which 6,781,000 are in Sumatra's eastern lowlands where the proposed transmigration site is located. The purpose of this publication is to present a geological reconnaissance of the site to determine its geologic suitability and feasibility for development. The most effective way to conserve Indonesia's natural resources is careful planning of land usage to avoid unnecessary destruction of swamp forest and to obtain maximum benefits. Therefore, areas of shallow peat suitable for growing crops are separated from areas of deep peat of quality suitable for energy use.
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