Kemiripan Komunitas Tumbuhan Bawah Pada Beberapa Tipe Ekosistem Perkebunan Di Kabupaten Labuhan Batu
T. Alief Aththorick
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The similarity of ground vegetation had been studied on three plantations ecosystem in Labuhan Batu. Three ecosystems type was chosen purposively, i.e. palm oil plantation, peatland palm oil plantation and rubber plantation. The result showed that there were 56 species and 31 families of ground plant in whole location. Location I had 34 species and 23 families, while location II and III had 19 species, 15 families and 21 species, 15 families, respectively. Based on similarity indexes, location I and III had the highest similarity compared with location I and II, as well as location II and III. Edhapic factor determined strictly the community structure compared with major plant (biotic factor).