Komposisi dan Struktur Seedling dan Sapling pada Lahan Pra dan Pasca Tambang Batubara PT. SLN di Kabupaten Dharmasraya (Composition and structure seedling and sapling at pre and post coal mining PT. S, Solviana, Erizal Mukhtar dan Chairul

Dipublish Pada Tanggal : 23 April 2013      dibaca : 305 Kali

 

Komposisi dan Struktur Seedling dan Sapling pada Lahan Pra dan Pasca Tambang Batubara PT. SLN di Kabupaten Dharmasraya

 

Composition and structure seedling and sapling at pre and post coal mining PT. SLN Dharmasraya Regency

 

Solviana*), Erizal Mukhtar dan Chairul

 

Laboratorium Riset Ekologi Tumbuhan, Jurusan Biologi, Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Andalas, Padang, 25163

*Koresponden: solviana@gmail.com

 

 

Abstract

 

Research about composition and structure seedling and sapling at pre and post coal  mining PT. SLN have been carried out from April to July 2012 by using the belt transect with quadrate plot of size 10 x 10 m2. The results showed the composition of  seedling at pre-mining was 6 families, 6 genera, 6 species and 38 individuals. In case of the composition of post coal mining was 4 families, 3 genera, 5 species and 20 individuals. Furthermore, the composition of sapling at pre coal mining was 12 families, 35 genera, 43 species and 304 individuals. In case of  the composition of post coal mining was 6 families, 8 genera, 10 species and 102 individuals. The highest importance value for seedling at pre mining was Canthium dicoccum (47.37 %) and at post mining was Clibadium surinamense (58.18 %). The highest importance value for sapling at pre mining was Hevea brasiliensis (20.27 %) and at post mining was Macaranga tanarius (46.11 %). Diversity index of seedling at pre mining was 1.69 % and in post-mining was 1.55 %, where as for the sapling at pre mining was 3.51 % and at post mining was 2.16%. Index similarity seedling and sapling were 18 % and 3.8 % respectively.

 

Keywords : composition, structure, pre and post coal mining, seedling, sapling

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