Nyaru Menteng Arboretum is one of Conservation area in Palangka Raya for biodiversity protection width 65,2ha and in that area have established an Orang Utan Reintroduction Center from Borneo Orangutan Save Foundation (BOSF). The aims of this research are to estimated the population density of Kelasi in this area and to know many kinds of Kelasi food and the part of trees that Kelasi put to eat. The result of this research that has found one species (young class) in January 2017, then we can find 3 species again in April 2017 there is one male, one female, and one young kelasi. Population density rate of Kelasiof 2017 is 0,06 species/ha that meaning is population density of Kelasi have a degraded experience if comparing with the same population density data on 2007 that found 15 species in the area (in 2 group)with 0,23 species/ha. Food sort of Kelasi is juvenile of : Jambu-jambu (Syzgium cerinum), Saga (Adenathera microsperma), cassava (Manihot utilisima), rubber (Hevea brasiliensis), pineapple (Ananas comosus), Kelakai (Stenochlaena ralustris) dan jackfruit (Artocarpus integra), other fruits and residue of orangutan food in Reintroduction area lie pineapple and papaya.
This study was conducted to identify the characteristics of fruit plants (generally, the environment/habitat and plant morphology fruit) and to determine the content of active compounds (secondary metabolites) plant worth exotic fruit contained in North Barito. This study used survey methods and data analysis was done descriptively qualitative and quantitative in tabular form and image. The results of the study characteristics and phytochemical test five (5) pieces of exotic plant species in North Barito regency from habitat plant fruit trees and lianas, with the composition of single and compound leaves, plant height of 10-15 meters, a lowland forest habitat. Keledang (Artocarpus lanceifolius Roxb) and Dangu (Leukconitis corpidae) which has a white sap. The test results showed the phytochemical content of secondary metabolites consisting of tannin (polyphenols), alkaloids, saponins, flavonoids, steroids and terpenoid scattered on the rind, pulp, and seeds.
Abstract. Fauzi F, Suemarno, Afandhi A, Leksono AS. 2020. Nesting behavior of Bornean immature Orangutan (Pongo pygmaeus wurmbii) in Nyaru Menteng Arboretum School, Palangka Raya, Central Kalimantan, Indonesia. Biodiversitas 21: 2172-2179. This research aimed at analyzing the nesting behavior of Bornean Orangutan (Pongo pygmaeus wurmbii) in Nyaru Menteng Arboretum, Palangka Raya, Central Kalimantan, Indonesia. The objects of observation were the immature orangutan nest, and the type of nest tree. The purposive sampling technique was used because not all immature Orangutan could make a nest. The Focal animal sampling method was used to determine the daily behavior and nets building activity. It involved observing and recording the behavior of five young Orangutans over a certain period of time and analyzing the nest made. The results of the study established that the daily activity of immature Orangutan on an average sequentially ranges from feeding 17.18%, moving 23.92%, resting 26.34%, and social behavior 32.57%. The process of making a nest begins with finding a suitable branch, bending and breaking twigs, and then arranging the twigs and leaves as a mattress. The duration of building a nest was 5.00 to 6.44 minutes, the preferred nest tree was Palaquium xanthochymum and Shorea spp., and the direction of the nest more facing west.
Penelitian ini bertujuan untuk mengetahui dan menganalisis perilaku harian rusa sambar yang meliputi aktivitas berjalan, makan, minum, istirahat, sosial (grooming), bermain sendiri, dan bab/defaksi. Penelitian ini dilaksanakan pada bulan maret 2021 selama 10 hari di penangkaran rusa sambar Kabupaten Lamandau dengan metode pengambilan sampel menggunakan purposive sampling, dan metode scan sampling dengan jumlah sampel 12 rusa sambar dengan interval waktu 10 menit. Analisis kuantitatif sebagai perhitungan persentase, analisis deskriptif, dan uji kruskal wallis untuk menguji apa ada perbedaan yang signifikan antar kelompok variabel indevenden dan variabel dependen, dari hasil yang didapat dari tujuh (7) aktivitas rusa sambar yaitu aktivitas berjalan 10.37, istirahat 8.21, minum 12.65, makan 10.16, sosial (Grooming) 12.45, bermain sendiri 6.44, dan defekasi (BAB) 12.56. Dari hasil penelitian diketahui bahwa terdapat aktivitas rusa sambar melakukan aktivitas makan, aktivitas berjalan, aktivitas istirahat, aktivitas defekasi, aktivitas grooming, aktivitas minum, dan aktivitas bermain sendiri.
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