International Journal of Fisheries and Aquatic Research

International Journal of Fisheries and Aquatic Research


ISSN: 2456-7248

Vol. 4, Issue 1 (2019)

Phytoplankton as bioindicators of pollution status in Cirata Reservoir, Indonesia

Author(s): Asep Sahidin, Isni Nurruhwati, Zahidah, Heti Herawati
Abstract: Cirata Reservoir has various human activities such as tourism, housing, agriculture and aquaculture activities that can cause water pollution. Determination of water pollution can be determined through biological analysis studies using phytoplankton bio indicators. The study aimed to assess the level of pollution in the Cirata Reservoir based on phytoplankton bioindicators. The research was carried out in March 2015-February 2016 in the Cirata Reservoir which was divided into three research stations (inlet, middle and reservoir outlets). Water pollution analysis uses diversity index and saprobika index. The results of the study found 16 genera scattered into four phyla (Chlorophyta, Chrysophyta, Cyanophyta and Euglenophyta) with cyanophyta phyla dominating up to 68.5% of all phyla found. Microcystis sp. from the Cyanophyta phylum found with the highest abundance at each station with a value of 4646 ind/l followed by Anabaena sp. with a value of 2826 ind/l. Cirata reservoir diversity index (H '= 1.4 to 2.1) and Saprobika index (-1.26 to -2.10). Based on the analysis of pollution with bioindicators of phytoplankton in Cirata Reservoir, it is included in high-very highpollution status with organic elements as the main pollutant.
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