STRUKTUR KOMUNITAS MAKROZOOBENTOS SEBAGAI INDIKATOR KUALITAS PERAIRAN DI SUNGAI CITARUM HULU, JAWA BARAT

ANGELITA FRISCA, . (2025) STRUKTUR KOMUNITAS MAKROZOOBENTOS SEBAGAI INDIKATOR KUALITAS PERAIRAN DI SUNGAI CITARUM HULU, JAWA BARAT. Sarjana thesis, UNIVERSITAS NEGERI JAKARTA.

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Abstract

Sungai Citarum merupakan sungai terbesar dan terpanjang di Jawa Barat. Makrozoobenthos adalah fauna invertebrata yang hidup di dasar perairan yang hidupnya sangat dipengaruhi oleh perubahan lingkungan dan kualitas perairan. Pengetahuan tentang biodiversitas makrozoobentos sangat penting untuk pengawasan dan pemantauan secara periodik kualitas perairan. Tujuan penelitian ini untuk mengetahui struktur komunitas makrozoobentos dan kondisi parameter lingkungan perairan, menganalisis kontribusi parameter lingkungan terhadap struktur komunitas makrozoobentos, serta nilai indeks Biological Monitoring Working Party (BMWP) makrozoobentos di Sungai Citarum Hulu, Jawa Barat. Metode yang digunakan dalam penelitian ini yakni deskriptif kuantitatif. Analisis secara deskriptif meliputi analisis komposisi, kelimpahan, keanekaragaman, BMWP, dan korelasi Spearman. Sedangkan analisis statistik meliputi analisis multivariat Principal Component Analysis (PCA) dan Correspondence Analysis (CA) dengan menggunakan perangkat lunak MVSP 3.22. Hasil penelitian menunjukkan bahwa komposisi bangsa tertinggi yaitu Ephemeroptera (47,3%) dan bangsa terendah (0,3%) meliputi Megaloptera, Hirudinea, Tricladida, Decapoda, Caenogastropoda, Lymnaeida, Isopoda, Lepidoptera, dan Oligochaeta. Kelimpahan tertinggi diperoleh bangsa Ephemeroptera. Tingkat keanekaragaman makrozoobentos berada pada kategori sedang. Beberapa parameter lingkungan di Sungai Citarum Hulu masih dalam kategori normal. Parameter yang paling mempengaruhi komunitas makrozoobentos adalah oksigen terlarut, pH, total fosfor, total nitrogen, kekeruhan, dan TDS. Korelasi negatif yang sangat kuat antara kekeruhan dan pH terhadap indeks BMWP. ***** The Citarum River is the largest and longest river in West Java. Macrozoobenthos are invertebrate fauna that live on the riverbed, whose survival is greatly influenced by environmental changes and water quality. Knowledge of macrozoobenthos biodiversity is crucial for periodic monitoring and surveillance of water quality. The objectives of this study were to determine the structure of the macrozoobenthos community, assess water environmental parameters, analyze the contribution of environmental parameters to the structure of the macrozoobenthos community, and determine the BMWP index value of macrozoobenthos in the Upper Citarum River, West Java. The method used in this study was quantitative descriptive. Descriptive analysis included composition analysis, abundance, diversity, Biological Monitoring Working Party (BMWP), and Spearman correlation. Statistical analysis included multivariate Principal Component Analysis (PCA) and Correspondence Analysis (CA) using MVSP 3.22 software. The results of the study showed that the highest order composition was Ephemeroptera (47,3%) and the lowest order (0,3%) included Megaloptera, Hirudinea, Tricladida, Decapoda, Caenogastropoda, Lymnaeida, Isopoda, Lepidoptera, and Oligochaeta. The highest abundance was obtained by the Ephemeroptera order. The level of macrozoobenthos diversity was in the moderate category. Several environmental parameters in the Upper Citarum River were still in the normal category. The parameters that influenced the macrozoobenthos community were dissolved oxygen, pH, total phosphorus, total nitrogen, turbidity, and TDS. Strong correlation was seen on turbidity and pH which affected BMWP index negatively.

Item Type:	Thesis (Sarjana)
Additional Information:	1). Prof. Dr. Ratna Komala, M.Si. ; 2). Dr. Jojok Sudarso, M.Si.
Subjects:	Sains > Sains, Ilmu Pengetahuan Alam Sains > Ilmu Bumi > Biologi Sains > Mikro Biologi > Ekologi
Divisions:	FMIPA > S1 Biologi
Depositing User:	Angelita Frisca .
Date Deposited:	27 Oct 2025 02:49
Last Modified:	27 Oct 2025 02:49
URI:	http://repository.unj.ac.id/id/eprint/62767

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