Kelimpahan Jenis dan Estimasi Produktivitas Ficus spp. Sebagai Sumber Pakan Alami Orangutan Sumatera (Pongo abelii) di Pusat Pengamatan Orangutan Sumatera (PPOS), TNGL

Abstract

SANTY DARMA NATALIA PURBA. Spesies Abundance and Estimated Productivity of Ficus spp. as Natural Food Sources Sumatran Orangutan (Pongo abelii) in Sumatra Orangutan Observation Center, Gunung Leuser National Park. Under Academic Supervision of PINDI PATANA and ERNI JUMILAWATY. Ficus spp. a source of feed trees are keystone species for primates and birds. Availability feed Ficus spp., this needs to be evaluated. Therefore, the evaluation of the carrying capacity of the habitat quantitatively through the abundance of Ficus spp. and estimates of productivity growth of young leaves, fruits, and flowers Ficus spp. The methodology used in this research is the analysis of vegetation and methods Zweifel. The result showed an abundance of Ficus spp. the highest level found in poles form on trail 2 (2,106). Abundance of Ficus spp. relatively rare. Estimated productivity of young leaves were moderate. Estimated productivity tends to moderate interest. Estimated productivity of the fruit ranges from 1-100 pieces per month. Other species in ecological niches areblack squirrelsand rangkong birds.