Abstract
Situ Cikaret is an urban lake that suffers from anthropogenic activities. The macrozoobenthos community has been used to examine the inland water ecosystem. However, there is finite information about macrozoobenthos in Situ Cikaret urban lake. The research aims to study the macrozoobenthos community structure in Cikaret urban lake. Samples were taken in March and April 2019 in five sites using Ekman Grab and identification was in the Research Center for Limnology LIPI. CAP-6 for ANOVA-Similarity (ANOSIM) is used to analyze the similarity within the community, whereas MVSP 3.22 for Canonical Correspondence Analysis (CCA) to find the relation between macrozoobenthos and the environment. Water quality including temperature, pH, conductivity, total dissolved solids (TDS), oxidation reduction potential (ORP), depth, clarity, turbidity, dissolved oxygen (DO), and total suspended solids (TSS) was measured. Ten groups have been found, namely Chironomidae, Coleoptera, Tubificidae, Naididae, Glossiphoniidae, Viviparidae, Thiariidae, Ampullariidae, Planorbidae, Corbiculidae. The predominant family was Tubificidae (9,525 individual/m2). ANOSIM shows no significant difference in similarity (p>0,05) between locations. A linear correlation shows between diversity index and DO, pH, turbidity, and water temperature. CCA shows the abundance of Tubificidae, Chironomidae, Viviparidae, Ampullaridae, Planorbidae, Corbiculidae has a tendency towards the temperature, pH, ORP, turbidity, DO, TDS, depth.
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