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Utami, Marcelita Putri
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Immunology & microbiology

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Water Quality Index Analysis of Situ Cilodong, Depok, West Java Using Storet Method Zulfa, Astri; Apriansyah, Farhan; Qonitah, Tsabitah Athifah; Vansha, Fahriza Kemal; Utami, Marcelita Putri; Bakri, Hendrawan; Hoiroh, Ziyadatul; Kamila, Afifah Intan
Journal of Tropical Biodiversity Vol 4 No 1 (2023): December 2023
Publisher : Universitas Nasional Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59689/bio.v4i1.205

Abstract

Situ Cilodong is located in Kalibaru, Cilodong, Depok. Situ Cilodong served as a beautiful, strategic area and thus served as a local water tourism. However, the presence of a human activity causes it to contain household wastes and other fillings that leak into the body of the water. The study was intended to determine the quality of the water and was held by storet methods. Storets method work by comparing data on water quality with water quality adjusted to it in order to determine water quality status. The parameters used in this study are the physical parameters in the form of temperature and brightness, also chemical in the form of pH and DO, all parameters was measure insitu in the morning. We also do identyfication of plankton. Data retrieval times occurred periodically each week of November 2021. Based on its designation, Situ Cilodong is included in class 2. The sampling station point being used is at the inlet station, center and outlet. The result of research is that the waters at Situ Cilodong was classified as a light polluted lake based on stroret's methods score on the inlet -10 station, -8 and -10 outlets. The most frequently identified type of planton species is from the phytoplanton group.
Distribution and Abundance of Javan Primates in Gunung Sanggabuana, Karawang, West Java Lindayu, Feriska; Utami, Marcelita Putri; Saidatinah, Salsa Mumtaz; Al Hanif, Syivaul Jannah; Priandani , Tasya Azzahra; Atmoko, Sri Suci Utami
Journal of Tropical Biodiversity Vol 5 No 1 (2024): December 2024
Publisher : Universitas Nasional Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59689/bio.v5i1.247

Abstract

Indonesia, as the country with the highest number of primate species in Asia, also holds the largest number of endemic primates, including five species on the island of Java. This study aimed to assess the distribution and abundance of primate species in Gunung Sanggabuana, Karawang, West Java, one of the closest tropical rainforests to Jakarta. Field surveys were conducted during the dry season (11–14 September 2023) by the Primate Student Team of Field Biology Study (SBL). Recce transects were used for primate censuses and fruit trails for recording fruit-bearing plant abundances along two paths: the tourist area and semi-tourist area. Results indicated three primate species were directly encountered: Javan langur (Trachypithecus mauritius), Surili (Presbytis comata), and Javan gibbon (Hylobates moloch). In the Kejayaan-Burahol trail, Javan langurs were observed at 1 group/km (1–5 individuals), Surili at 0.5 groups/km (4 individuals), and Javan gibbons at 1 group/km (4–6 individuals). The Cigentis-Cipiit trail yielded higher Javan langur abundance at 1.5 groups/km (5–8 individuals). The dominance of Javan langur was noted with a low value of 0.160. These findings provide insight into primate distribution and abundance, contributing to conservation efforts in Gunung Sanggabuana and other Javan rainforests.
Co-Authors Al Hanif, Syivaul Jannah Apriansyah, Farhan Bakri, Hendrawan Hoiroh, Ziyadatul Kamila, Afifah Intan Lindayu, Feriska Priandani , Tasya Azzahra Qonitah, Tsabitah Athifah Saidatinah, Salsa Mumtaz Sri Suci Utami Atmoko Vansha, Fahriza Kemal Zulfa, Astri