Potential of Shorea roxburghii as an important species for greening of an ex-mining land in Klian Intan, Upper Perak

Klian Intan was formerly an ex-mining land within Rahman Hydraulic Tin Mining areas comprising remaining slime tailings of heterogeneous soil physical and chemical characteristics. A collaboration between Forest Research Institute Malaysia (FRIM) and Rahman Hydraulic Tin (RHT) was vital to establish...

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Bibliographic Details
Published in:IOP conference series. Earth and environmental science 2022-01, Vol.959 (1), p.12052
Main Authors: Zuhaidi, Y A, Kamarudin, K, Jeyanny, V, Fakhri, I M, Darshini, R
Format: Article
Language:English
Subjects:
Forestry research
Hydraulic mining
Mine reclamation
Mine tailings
Mining
Planting
Pruning
Reclamation
Rehabilitation
Shorea roxburghii
Silviculture
Slime
Soil chemistry
Soil conditions
Soil conservation
Soil lime
Soil management
Soils
Species
Survival
Topsoil
Tree planting
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Summary:Klian Intan was formerly an ex-mining land within Rahman Hydraulic Tin Mining areas comprising remaining slime tailings of heterogeneous soil physical and chemical characteristics. A collaboration between Forest Research Institute Malaysia (FRIM) and Rahman Hydraulic Tin (RHT) was vital to establish a model plantation for rehabilitation of ex-mining lands. Soil reclamation was done by layering with mineral and topsoil, adding hydrated lime. Furthermore, planting and observing on the survival rates and total heights of Shorea roxburghii. Based on the results, this species showed a survival rate of 97%. In terms of total heights, this species showed an average mean of 2.75 m with periodic height growth increment at 0.94 m. Planting trees in ex-mining areas are very challenging due to degraded conditions, however, based on this study with modified soil conditions, S. roxburghii showed a good response in terms of survival. Silvicultural treatments including manuring at 4 months interval, green pruning up to 5 m height, and selected slashing and climber cuttings continues for at least 5 years period before handing over to RHT. The silvicultural regime must be a continuous effort in supporting the tree growth to develop viable good stands for afforestation in ex-mining lands.
ISSN:1755-1307
1755-1315
DOI:10.1088/1755-1315/959/1/012052