Neraca Ekologi Penambangan Timah Di Pulau Bangka Studi Kasus Pengalihan Fungsi Lahan Di Ekosistem Darat

Dr. Eddy Nurtjahya, M.Sc., - and Dr. Fournita Agustina, S.P., M.Si, - and Wike Ayu Eka Putri, - (2008) Neraca Ekologi Penambangan Timah Di Pulau Bangka Studi Kasus Pengalihan Fungsi Lahan Di Ekosistem Darat. Berkala Penelitian Hayati Journal of Biological Researches, 14 (1). pp. 29-38. ISSN 2337-389X

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Abstract

Unequal understanding among tin mining stake holders on trade regulation often triggered social confl ict and therefore it wassuggested to build political will especially among national, provincial, and regencial/municipal government levels. One important effortto bring out political will is presenting an independent and scientifi c study on comparision between socio-economic and environmentalimpact of tin mining. Purposive sampling was conducted to inconventional miners at reserved forest at Lubuk Kelik hamlet, pepperfarmers at Silip village, and rubber farmers at Bencah village. Tin mining changed soil properties and microclimate, reduced vegetationcomposition and structure, arbuscular mycorrhizal fungi, phosphate solubilizing microorganism, ants, and Collembola population.Land conversion increased and contributed up to 95% income. The welfare improvement, however, was apparent as the recovery costwas neglected by inconventional tin miners, and only pepper land conversion showed benefi t. Inconventional tin mining regulationneeds improvement in order to increase land use effi ciency and recovery cost. Understanding on ecological balance of more peopleand for more sustainable social welfare should be improved as well.

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