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Abstrak :
Penelitian bertujuan untuk menilai kualitas Sungai Cibareno di Banten, Jawa Barat. Penelitian dilakukan dengan menyatakan hasil identifikasi makrozoobentos sebagai bioindikator yang diambil dari 9 stasiun penelitian di Sungai Cibareno. Analisis makrozoobentos dalam rangka pemantauan kualitas Sungai Cibareno menggunakan Biological Monitoring Working Party - Average Score per Taxon (BMWP - ASPT) pada tingkat famili atau kelompok makrozoobentos berdasarkan toleransinya terhadap cemaran. Hasil penelitian menunjukkan bahwa bagian hulu, tengah, dan hilir sungai Cibareno berturut - turut memiliki nilai ASPT sebesar 5,3, 5,5 dan 4,8. Secara keseluruhan Sungai Cibareno memiliki nilai ASPT 5,2 dan termasuk dalam tingkat pencemaran ringan. ......The main objective of this study was to assess the quality of Cibareno River in Banten, West Java. The research was conducted by explain the result of identification of macrozoobenthos as the indicator which taken form 9 research stations in Cibareno River. The analysis of macrozoobenthos in order to monitor the quality of Cibareno River is using Biological Monitoring Working Party - Average Score per Taxon (BMWP - ASPT) on the family level or groups of macrozoobenthos based on the tolerance of the organism against pollutant. The result showed that the head, the middle and the downstream of Cibareno River has the ASPT score about 5,3, 5,5 and 4,8. The entire score of Cibareno River is 5,2 and it means that the pollutant level is low.

Abstrak :
Penelitian mengenai kualitas Sungai Pesanggrahan telah dilakukan di sembilan stasiun pengamatan di sepanjang sungai. Penelitian ini bertujuan untuk mengetahui kualitas sungai dengan menggunakan makroozoobentos sebagai objek yang diteliti dan Biological Monitoring Working Party -- Average Score Per Taxon (BMWP -- ASPT) sebagai metode yang dipakai. Identifikasi sampel dilakukan di Laboratorium Ekologi, Jurusan Biologi, FMIPA, Universitas Indonesia. Dari hasil penelitian didapatkan 13 Famili makrozoobentos antara lain Hydropsycidae, Libellulidae, Aeshnidae, Lestidae, Chironomidae, Palaemonidae, Potamoidea, Viviparidae, Ampullaridae, Thiaridae, Corbiculidae, Tubificidae, Hirudinae, dan Glossiphoniidae. Nilai (Average Score Per Taxon) ASPT berkisar antara 1--4,75. Berdasarkan nilai ASPT terlihat bahwa Sungai Pesanggrahan dari Hulu (Bogor, Jawa Barat) sampai Hilir (Kembangan, DKI Jakarta) telah mengalami pencemaran tingkat sedang sampai berat, dengan ditandai adanya pencemaran organik dan anorganik yang tinggi. ......Research on the quality of the Pesanggrahan River has been performed in nine observation stations along the river. This study aims to determine the quality of the river using makroozoobentos as the object and Biological Monitoring Working Party -- Average score per taxon (BMWP -- ASPT) method. Identification of samples was conducted in Laboratory of Ecology, Department of Biology, Faculty of Mathematics and Natural Sciences, University of Indonesia. There are 13 Families of makrozoobentos: Hydropsycidae, Libellulidae, Aeshnidae, Lestidae, Chironomidae, Palaemonidae, Potamoidea, Viviparidae, Ampullaridae, Thiaridae, Corbiculidae, Tubificidae, Hirudinae, and Glossiphoniidae. Value of ASPT (Average Score Per Taxon) ranged from 1--4.75. Based on the value of ASPT, the Pesanggrahan River from Upstream (Bogor, West Java) to Downstream (Kembangan, DKI Jakarta) has been experienced moderate to high level of pollution with indication of high organic and inorganic pollution.