ASOSIASI DAN POLA DISTRIBUSI TENGKAWANG (Shorea spp) PADA HUTAN TEMBAWANG DESA NANGA YEN KECAMATAN HULU GURUNG KABUPATEN KAPUAS HULU

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ABSTRACT: This study aimsed to examine the association of Tengkawang (Shorea spp) with other species that dominate in Tembawang forest and examine the pattern of distribution / spread ofTengkawang in Tembawang forest of Nanga Yen Village, Hulu Gurung District, Kapuas HuluRegency, West Kalimantan Province. Observations were made on five transects lines withlengths of 20 x 500 m respectively. The research found 65 species of tree and found three typesof Tengkawang i.e. Shorea stenoptera, Shorea marcophylla, and Shorea mecistopteryx. Thedominance trees were Durio zibethinus, Dipterocarpus sp, Litsea firma, Dilleniaindica, andEugenia spp with index important value (INP) ≥ 15%. The tree which often encounteredsimultaneously in tembawang forest of Nanga Yen village were Shorea stenoptera with Duriozibethinus, Dipterocarpus sp, and Dilleniaindica; and between Shorea marcophylla withDipterocarpus sp; with high association criteria on value 0.74. ~ 0.49. The distribution pattern of Tengkawang (Shorea spp) were uniformly spread on class of pole, sapling and seedling withI value was I <1. Meanwhile for the class of tree, the distribution pattern of Tengkawang(Shorea spp) were spread in groups with I value was I >1.
Keywords: association, distribution pattern, Kapuas Hulu, Shorea spp, Tembawang
Penulis: Okta Vebri P, Farah Dibah, Ahmad Yani
Kode Jurnal: jpkehutanandd170079

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Jp Kehutanan dd 2017