Keanekaragaman dan Pola Distribusi Nepenthes Spp. di Taman Wisata Alam Sicikeh-Cikeh Kabupaten Dairi Sumatera Utara

Abstract

A study on Diversity and Distribution of Nepenthes spp in Sicikeh-Cikeh Conservation Forest Sub Provins Dairi, North Sumatera had been conducted from January to February 2009. The research area divided to 3 areas : Lake I, Lake II and Lake III. Sampling area was settled by using purposive sampling methode. Area size of observation was 1.125 m2 with 45 plot. The result showed that 7 spesies of Nepenthes spp. had been dicover thereare N. rigidifolia, N. rhombicaulis, N. spectabilis, N. tobaica, N. reinwardtiana, N. reinwardtiana x N. spectabilis dan N. reinwardtiana x N. tobaica. N. reinwardtiana was the highest species that discover with 385 species/0,0025ha (36,4583%) and the lowest species was N. reinwardtiana x N. tobaica with 2 species/0,0025 ha (0.1894%), the highest INP in location I (Lake I) was N. reinwardtiana with 102.4441% of diversity, in location II (Lake II) was N.spectabilis with 189.3056% of diversity and location III (Lake III) was N. reinwardtiana x N. spectabilis with 87.1338%. The highest index diversity of the Nepenthes spp. was discover in location I (Lake I) with 1.2613. The distribution of Nepenthes spp. in Sicikeh-cikeh Conservation Forest is randomized.