Succession on tin-mined land in Bangka Island

Dr. Eddy Nurtjahya, M.Sc., - and Dede Setiadi, - and Edi Guhardja, - and Muhadiono, - and Y Setiadi, - (2009) Succession on tin-mined land in Bangka Island. Blumea - Biodiversity, Evolution and Biogeography of Plants, 54 (1-3). pp. 131-138. ISSN 2212-1676

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Abstract

A quantitative study of floristic composition and vegetation structure was conducted at Bangka Island, Indonesia. Six different vegetation types were chosen, riparian forest, abandoned farmland, and natural regeneration of tin-mined lands of different ages: 0 and barren, 7, 11 and 38 years' old tin-mined land. The seedling composition of the oldest tin-mined land was less than 2 % similar to that of a riparian forest. Natural regeneration on 7-year old tin-mined land began with herb species belonging to Cyperaceae, Poaceae, and Melastomaceae; followed by herb species belonging to Asteraceae and Poaceae on 11-year old; then by Poaceae and shrub species of Myrtaceae on 38-year old tin-mined land. Older tin-mined land tended to have less sand, higher nutrients and cation-exchange capacity. The phosphate solubilizing bacteria showed a gradual increase along with the more newly abandoned tin-mined land but decreased in barren tin-mined land, while the number of arbuscular mycorrhizal fungal spores showed the opposite.

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