Struktur dan Komposisi Vegetasi Pohon dan Pole di Sekitar Jalur Wisata Taman Wisata Alam Sicikeh-Cikeh Kabupaten Dairi Sumatera Utara

Abstract

A Study on Structure and Composition of Tree and Pole Vegetation at Tour Track Around In Sicikeh-cikeh Conservation Forest Region Dairi, North Sumatera has been conducted in January to February 2009. Sampling area was settled by using purposive sampling method, and devided to three locations based on tourism tour track. Location I was at 1.433 m asl; Location II was 1.410 m asl; and Location III was 1.412 m asl.. Observation area size was 1,8 Ha for tree vegetation sample and 0,45 Ha for pole vegetation sample. Tree vegetations were observed in 15 plots size of 20 x 20 m each location, and the pole was observed in 15 plots size of 10x10m. The results showed that three were 43 tree species of 18 families, and the pole were 60 species in of 23 families. Tree vegetation was dominated by Lauraceae, Myrtaceae, Pinaceae, Fagaceae, Guttiferae and Sapotaceae, while the pole was dominated by Melastomataceae, Myrtaceae, Lauraceae, Sapotaceae, and Guttiferae. The highest important value of tree species was Quercus lineata Bl. found in location I with the value of 38,8384 %, and pole species was Palaquium sp. found in location I with the value of 61,3890 %.