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All Journal Jurnal Ilmu Kehutanan
Diva, Alfatheya Margwita
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Agriculture, Biological Sciences & Forestry

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Studi Kohabitasi antara Langur Borneo (Presbytis chrysomelas ssp. cruciger) dan Bekantan (Nasalis larvatus) di Taman Nasional Danau Sentarum Santoso, Nyoto; Diva, Alfatheya Margwita; Fauziah, Natasya Nurul; Sutopo, Sutopo
Jurnal Ilmu Kehutanan Vol 17 No 2 (2023): September
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jik.v17i2.6442

Abstract

The tricolour langur and proboscis monkey in Bukit Semujan cohabited and utilized the same resources. Cohabitation, mainly due to resource constraints, needed substantial attention to ensure the survival of these primates. This research aimed to map the utilization of canopy strata vertical forest structure and vegetation as food sources and identify the size and overlap of ecological niches for both primates. This research occurred in Danau Sentarurn National Park (DSNP) from July to December 2021. The data collection employed the ad libitum method. The results indicated that cohabitation occurred in the canopy strata vertical forest structure utilization, particularly stratum B and C, and was related to food availability for both primates. The Jaccard Index of the stratum utilization association was 0.6 for swamp forests and 0.8 for hillside forests, while the food plant association was 0.2. In addition, the ecological niche of the tricolour langur overlapped 48% against the proboscis monkey and 34% on the contrary. The tricolour langur's niche size (FT) was 0.32278 ≤ 0.5960 ≥ 0.81253, while the proboscis monkey was 0.20866 ≤ 0.52837 ≥ 0.78529 at 95% confidence interval.
Co-Authors Fauziah, Natasya Nurul Nyoto Santoso Sutopo Sutopo