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Meta Apriliawati Sandi
Program Studi Manajemen Sumberdaya Perairan, Fakultas Kelautan dan Perikanan, Universitas Udayana, Bukit Jimbaran, Bali
Earth & Planetary Sciences

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Bioassessment dan Kualitas Air Daerah Aliran Sungai Legundi Probolinggo Jawa Timur Meta Apriliawati Sandi; I Wayan Arthana; Alfi Hermawati Waskita Sari
Journal of Marine and Aquatic Sciences Vol 3 No 2 (2017)
Publisher : Fakultas Kelautan dan Perikanan Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (830.204 KB) | DOI: 10.24843/jmas.2017.v3.i02.233-241

Abstract

Legundi River is one of the six rivers in Probolinggo. Water is used for local community irrigation system of the rice fields. Makrozoobenthos was affected by the physical and chemical factors of the water condition. In order to determine the health of water in the river, it was applied water biological condition assessment technique by using biological parameter (bioassessment). This research used bioassessment with biotilik approach (invertebrate indicator of water quality) and Family Biotic Index (FBI). This research aimed to to find out the composition of biotilik, the water quality based on the physical and chemical factors, and the water status through biotilik indicator in Legundi River. This research was done in Legundi River on January until Pebruary 2017. The method which was used in this research was the direct observation by using purposive sampling to determine the location of the sampling. The result showed that the dominant biotilik composition was Hydropsychidae* (602), Thiaridae (258), and Parathelpusidae (209). The characteristics of the water from the upstream to downstream was as follows, temperature: 26,37 – 27,37 ?C, pH: 6,49 – 7,94, DO: 6,95 – 8,86 mg/l, turbidity: 1,16 – 3,58 NTU, BOD: 6,74 – 9,1 mg/l, and COD: 8,823 – 9,459 mg/l. The analysis of the biotilik index showed that the water was slightly clean with moderate pollution; and the analysis by using the Family Biotic Index showed that the water was not polluted.
Co-Authors Alfi Hermawati Waskita Sari I Wayan Arthana