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Journal : MEDIA KONSERVASI

Application of eDNA Technology to Assess Phytoplankton Diversity in the Ciliwung Downstream Area, Jakarta, Indonesia Permatasari, Prita Ayu; Aprilia, Mita; Effendi, Hefni; Zainalarifin, Jauhar
Media Konservasi Vol. 30 No. 1 (2025): Media Konservasi Vol 30 No 1 January 2025
Publisher : Department of Forest Resources Conservation and Ecotourism - IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/medkon.30.1.53

Abstract

Rivers have the potential for enormous flows of water, nutrients, and food that can create habitats for various living creatures. However, the flow of pollutants into estuaries and coastal areas can degrade environmental conditions in downstream areas of the river. Numerous studies have highlighted the loss of aquatic species due to increased stressors and pollutants in heavily contaminated rivers. This manuscript aims to analyze the phytoplankton diversity in three stations (natural riparian, concreted riparian, and estuary) of the Ciliwung River in Jakarta. Using environmental DNA (eDNA), we identified and compared the number of phytoplankton families and read sequences with various water quality parameters. The results showed that each station consists of 16, 13, and 20 families with 11,257; 75,963; and 37,339 read sequences, respectively. The study showed that phytoplankton family diversity in Stations 1 and 2 correlates with water pollution levels (lightly to extremely polluted). In contrast, Station 3 exhibited an unusual pattern, with high family diversity despite declining water quality.