Penggunaan Metode Triangle dan Concentration Count dalam Penelitian Sabaran dan Populasi Gibbon (Hylotidae)

Abstract

Stud~eso n wildlife in the nature need methodolog~cala pproaches which can produce precise and accurate data. In accordance with the increasing number of scicnt~stws ho are Interested In study~ngw ildlife in natire, many methods have been developed. This paper discusses the Triangle and Concentration Count methods whlch are appropriate for the observatton of the wildlife distribution and populat~one, specially for the wildlife species which frequently produce sound as a tool of communlcatlon or a spaccngllerr~torial mechan~sm. There are two ways in using those methods 1.e. parallcl and serlcs. Selection of whlch way to hc used depends on the size of the arca, availability of time and the numl~eor f observers. T h ~ms ethod has been applied in the study of arhorcal prrmates such as Siamang (tfylobarcs.~iidac~hrt RAFFLES). in Way Kamhas Natlonal Park. lampung (1')X-l). Mucllcr'a g~l,hon( I-I. nt~rcllcrM~ AKTIY) In Rukit Soeharto Protection 1:orest (1987) and Ilarli-handcd gil~l?oni'Lngkn('1 1, agilis I-'. CUVIIJR) In I'as~r Mayang. Jamhi (1990).