Abstract
Surili (Presbytis comata) is one of endemic primates of West Java whose existence is protected. The purpose of the research was to determine the estimated home range and the preferences of food plant of P. comata at Situ Patengan Nature Reserve, West Java. The home range was determined by the minimum convex polygon method by connecting the coordinates of the outermost entire outer area groups. Focal animal sampling and Ad-libitum methods were applied to obtain data of food preferences in details. The result showed that home range of several P. comata groupsat Situ Patengan Nature Reserve were varied. The home range of group A, B, C, and D were covering 3.52 Ha, 4.43 Ha, 3.76 Ha, and 3.14 Ha respectively, while the solitary individual has a home range covering 2.64 Ha. There were 27 species from 16 families of plants that was directly consumed by P. comata. P. comata more often consumed Castanopsis javanica (10.07%), C. argentea (9.35%), C. tungurut (7.91%), Sloneasigun (7.91%), and Quercus sp (7.19%). This data can be useful as a reference in P. Comata population and habitat management especially in the area of Situ Patengan.
Highlights
Indonesia is a country that has a variety of fauna.One of them is endemic primate of Java Island, Surili/Javan Grizzled Langur (Presbytis comata)
The materials used for the observations in the field are including Map area of Situ Patengan Nature Reserve, binoculars, the Global Positioning System (GPS) Garmin 60CSx to determine the coordinates of the observation range area, Canon 600D SLR camera, the 55-250mm lens, plant identification book (Flora Mountains of Java, Van Steeins and Free Tree Indonesia) as a reference in identifying the types of plants consumed by P. comata, thermometer, Tally sheet as a tool to record data during field observation, data processing software for the comprehensive analysis of range area used Software Lyon QGIS version 2.12
The population of P. comata in different areas will differ according to the number of P. comata groups inhabiting the area and the number of individuals belonging to the group
Summary
Indonesia is a country that has a variety of fauna.One of them is endemic primate of Java Island, Surili/Javan Grizzled Langur (Presbytis comata). This primate was established as one of the protected species by Ministers of Agriculture (Supriatna and Wahyono, 2000; Henri et al, 2017). Depreciation and habitat conversion can affect the availability of the feed. Javan primates such as P. comata, Javan Gibon or Javan Langur face the threat of poaching for illegal trading (Sontono et al, 2016). Economic factors encourage people’s interest in wildlife hunting because the selling price is high enough
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