Rainy Season’s Fish Diversity Upstream and Downstream Jatigede Reservoir of Cimanuk River, West Java, Indonesia
Rainy Season’s Fish Diversity Upstream and Downstream Jatigede Reservoir of Cimanuk River, West Java, Indonesia
Titin Herawati1,*, Indra Adiwiguna1, Ayi Yustiati1, Iis Rostini1, Roy Hendroko Setyobudi2, Hafizan Juahir3 and Asep Sahidin1
ABSTRACT
The purpose of the research is to map the diversity of fish in Cimanuk River, specifically upstream and downstream Jatigede Reservoir. Field observation method and census sampling technique were applied. Research commenced from November 2017 to January 2018. Parameters measured are diversity index, dominance index, equitability index, and water quality. Data analysis employed comparative-descriptive method by mapping the species and comparing the diversity of fish living in both ends of Jatigede Dam. The results indicate that six families of fish are identified, consisting of 14 species. The fish diversity of Cimanuk River upstream Jatigede Reservoir is of moderate one – 1.735≤H’≤1.909 – with low species dominance, while containing high equitability 0.61≤E≤0.789 of stable fish community structure. The fish diversity downstream Jatigede Reservoir is of low one – 0.759≤H’≤0.855 – with moderate species dominance, while containing low equitability 0.296≤E≤ 0.317 of distressed fish community structure.
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August 2021
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