Water Quality Analysis Based On Diversity and Abundance of Macrozoobenthos In Way Semah River Waters of Pesawaran

Tazranisa Indy Irawan; Tugiyono Tugiyono; Suratman Umar; Gregorius Nugroho Susanto

doi:10.23960/jbekh.v11i1.364

Authors

Tazranisa Indy Irawan Department of Biology, FMIPA, University of Lampung
Tugiyono Tugiyono Department of Biology, FMIPA, University of Lampung
Suratman Umar Department of Biology, FMIPA, University of Lampung
Gregorius Nugroho Susanto Department of Biology, FMIPA, University of Lampung

DOI:

https://doi.org/10.23960/jbekh.v11i1.364

Keywords:

Way Semah River, Macrozoobenthos, River Pollution

Abstract

River pollution is a major problem in the water quality crisis due to certain factors, including human activities around the river ecosystem which are strongly suspected to be the main cause of the problem. The purpose of this study was to determine the diversity and abundance of macrozoobenthos and the level of water pollution in the Way Semah Pesawaran River. The research was conducted using three indicators of water quality: biological indicators in the form of macrozoobenthos, physical indicators in the form of temperature and brightness, and chemical indicators in the form of pH, DO, and BOD. Sampling was carried out at 3 stations with two points, namely the right bank and left bank points at each station. The method of determining the location and data collection using the purposive sampling method. Based on the results of the analysis of abundance, diversity, uniformity and dominance of macrozoobenthos obtained the ecosystem of Way Semah River waters showed mild to moderate polluted conditions with a range of 1.21 - 1.87

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