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All Journal MEDIA KONSERVASI Biodiversitas Journal of Biological Diversity
Sutopo
Department Of Forest Resources And Ecotourism, Faculty Of Forestry And Environment, Institut Pertanian Bogor. Jl. Raya Dramaga, Kampus IPB Dramaga Bogor, 16680, West Java, Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Education

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Habitat Characteristics and Roaming Area of Proboscis Monkey in Bukit Semujan Swamp Forest Danau Sentarum National Park Nyoto Santoso; Jacobus Togu Hasudungan; Sutopo; Irawan Hadiwijaya; Aripin; Yoffan Ramadhan; Syarif M Ridwan
Media Konservasi Vol 28 No 1 (2023): Media Konservasi Vol 28 No 1 April 2023
Publisher : Department of Forest Resources Conservation and Ecotourism - IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/medkon.28.1.24-34

Abstract

The proboscis monkey (Nasalis larvatus Wurmb. 1787) is an endemic and endangered primate, also very depends on its habitat characteristic. This study aims to identify habitat characteristics and roaming area of proboscis monkey. Located at Bukit Semujan within Betung Kerihun Danau Sentarum National Park, during January 2022. The methods use in this research are using scan sampling and ad libitum sampling for daily activities, roaming area of proboscis monkeys are acquired using GPS, and the vegetation type in the habitat where proboscis monkeys are active are inventoried using the checkered line method with the plot size 20 x 20 m. Research was resulted that the proboscis monkey at Bukit Semujan only found in swamp forests with daily temperatures ranging from 25,8˚C–26,9˚C and daily humidity between 97%-99%. Vegetation like Shorea blangeran is dominant and important species that occurred in swamp forest surrounding at Bukit Semujan. The species diversity in the swamp forest classified as moderate (2.76), the species evenness and the species richness index are classified as high (0.90 and 4.02). The diets of proboscis monkeys found in this study are six flora species such as kawi (Shorea blangeran), engkurun (Xanthophyllum affine), ensubal (Elaeocarpus mastersii), kenarin (Diospyros coriaceae), putat (Barringtonia acutangular), tembesu (Fragrea fragrans). One group of Proboscis monkey roaming area calculated to be 13.22 ha with daily range have an average of 579.2 meters. Sleeping trees and the edge of the swamp forest have distance 50 m with the night position shift calculated to be around 216.92 meters.
Short Communication: Wildlife species used as traditional medicine by local people in Indonesia Ani Mardiastuti; BURHANUDDIN MASY'UD; LIN N. GINOGA; HAFIYYAN SASTRANEGARA; SUTOPO SUTOPO
Biodiversitas Journal of Biological Diversity Vol. 22 No. 1 (2021)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d220140

Abstract

Abstract. Mardiastuti A, Masy'ud B, Ginoga LN, Sastranegara H, Sutopo. 2021. Short Communication: Wildlife species used as traditional medicine by local people in Indonesia. Biodiversitas 22: 329-337. Since a long time ago, wild animals (wildlife species) have been used by the local people as traditional medicine. Research has been conducted in some areas, but there was no study that incorporates all data. The objective of this research was to collect nation-wide information on the wildlife species (mammals, birds, reptiles, amphibians) used as traditional medicine, identify the species used the most, and collect information on the diseases that were believed can be cured by the wildlife species. Papers and reports from previous studies were collected and analyzed. Based on 55 published scientific papers, 114 wildlife species were known to be used by the local people as traditional medicine (59 species of mammals, 12 birds, 37 reptiles, 6 amphibians). Reptiles were used more intensively and believed may cure many diseases, mainly respiratory, digestive, skin, and musculoskeletal diseases. Among all species, Reticulated Python (Malayopython reticulatus), Common Water Monitor (Varanus salvator), Tokay Gecko (Gekko gecko), Common Sun Skink (Eutropis multifasciata), and Malayan Porcupine (Hystrix brachyura) were listed as the most popular species for traditional medicine. As some species have already listed as protected and endangered, a necessary precautionary program is needed to ensure the harvest sustainability and survival of the endangered species.
A first investigation on tricolor langur (Presbytis chrysomelas subsp. cruciger) exhibits significant terrestrial activity in their natural habitat SUTOPO SUTOPO; NYOTO SANTOSO; ANI MARDIASTUTI; YENI ARYATI MULYANI
Biodiversitas Journal of Biological Diversity Vol. 25 No. 8 (2024)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d250814

Abstract

cruciger) exhibits significant terrestrial activity in their natural habitat. Biodiversitas 24: 3431-3440. Until now, it has only been reported that the tricolor langur (Presbytis chrysomelas subsp. cruciger Thomas 1892) is a semi-terrestrial primate, but there has never been any proof from their natural habitat that they actually engage in ground-level activities. This research aims to investigate terrestrial daily activity and the daily time budget for the tricolor langur. To determine the duration and type of their natural behaviors, observations using camera traps. This research was conducted from July 2022 to June 2023 in the lowland forest around the foot of Semujan Hill, which is part of the Danau Sentarum National Park Area, Kapuas Hulu District, West Kalimantan, Indonesia. The results of observations using camera traps showed that the one group langurs engaged in terrestrial activities for 5,830 seconds and arboreal activities in the tree canopy for 15,160 seconds. The percentage of total time recorded by the camera traps indicates that terrestrial activity accounts for only 34% of the total recorded time. The most dominant activities during both terrestrial and arboreal activities were eating and locomotion, with the rest being grooming, resting, and playing. The findings of this research contribute to our understanding of primate behavior, highlight effective methods for observing primates in their natural habitat, especially the Presbytis group and raise awareness among park managers and local communities. It is important that langurs are not disturbed during their terrestrial activities to ensure their continued presence and population growth in the study area.
Co-Authors Ani Mardiastuti Aripin BURHANUDDIN MASY'UD HAFIYYAN SASTRANEGARA Irawan Hadiwijaya Jacobus Togu Hasudungan LIN N. GINOGA NYOTO SANTOSO Nyoto Santoso Syarif M Ridwan YENI ARYATI MULYANI Yoffan Ramadhan