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All Journal Barakuda 45 Manilkara: Journal of Bioscience
Sarbini, Rakhmat
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Immunology & microbiology Medicine & Pharmacology Neuroscience Veterinary

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The Abundance and Community Structure of Phytoplankton in the Ir. H. Djuanda Reservoir Following the Implementation of the “Citarum Harum” Program Sentosa, Agus Arifin; Suryandari, Astri; Hadi, Abdul; Putri, Didha Andini; Gumilang, Andi Perdana; Kusumaningtyas, Dyah Ika; Sarbini, Rakhmat; Susilawati, Evi; Dwiatmojo, Santoso; Hendrawan, Andika Luky Setiyo; Astuti, Iswari Ratna
Barakuda 45: Jurnal Ilmu Perikanan dan Kelautan Vol 7 No 1 (2025): Edisi April
Publisher : Fakultas Perikanan dan Ilmu Kelautan Universitas 17 Agustus 1945 Cirebon

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47685/barakuda45.v7i1.585

Abstract

The Ir. H. Djuanda Reservoir in Purwakarta Regency is one of the priority areas in the implementation of the Citarum Harum programme, which focuses on restoring the environmental quality of the Citarum River. This study aims to determine the abundance and community structure of phytoplankton in Ir. H. Djuanda Reservoir after the implementation of the Citarum Harum Programme. This study used purposive sampling method at 11 stations in Ir. H. Djuanda Reservoir in August 2024. Phytoplankton abundance was measured based on APHA and community structure was analysed using ecological indicators including diversity, variability and dominance indices. Water quality assessment was determined using the STORET method as the analytical instrument. Statistical analyses were also conducted to assess differences in phytoplankton abundance between stations. The results showed that the phytoplankton community in Ir. H. Djuanda Reservoir during the study consisted of five classes and 31 genera with low diversity and evenness and no dominance. Phytoplankton abundance ranged from 389,048 - 710,536 cells/L and differed between stations (P<0.05). The relative abundance of Cyanophyceae (46.60%) was almost equal to Chlorophyceae (43.45%) indicating a change in the environment for the better. This study is expected to be one of the references for monitoring and evaluation materials for the implementation of the Citarum Harum programme as empirical evidence that there has been a change in the water quality status of Ir. H. Djuanda Reservoir from heavily polluted to moderately to lightly polluted.
Struktur Komunitas Plankton Sebagai Indikator Biologis di Perairan Waduk Ir. H. Djuanda Jatiluhur Sari, Fatma Devi Nur Indah; Suryandari, Astri; Sentosa, Agus Arifin; Sarbini, Rakhmat; Hendayana, Yayat
MANILKARA: Journal of Bioscience Vol 4 No 1 (2025): August
Publisher : LPPM Universitas Terbuka

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Abstract

Waduk Ir. H. Djuanda Jatiluhur merupakan waduk buatan terbesar di Indonesia yang berperan penting dalam aktivitas manusia, sehingga rentan mengalami perubahan kualitas perairan. Plankton sebagai organisme sensitif di dasar rantai trofik, dapat digunakan sebagai indikator biologis untuk menilai kondisi ekosistem waduk. Penelitian ini bertujuan untuk menganalisis struktur komunitas fitoplankton dan zooplankton serta keterkaitannya dengan parameter kualitas air di Waduk Jatiluhur. Penelitian dilakukan di 8 stasiun pengamatan selama Februari-Juni 2025, meliputi pengukuran suhu, pH, oksigen terlarut, nitrat, dan fosfat. Identifikasi dan penghitungan plankton dilakukan untuk menentukan kelimpahan dan keanekaragaman, dianalisis dengan Indeks Keanekaragaman Shannon-Wiener. Hasil menunjukkan fitoplankton didominasi oleh Cyanophyceae (61%) dengan kelimpahan 8.214-54.048 sel/L, sedangkan zooplankton didominasi Rotifera (51%) dengan kelimpahan 0-2.143 sel/L. Indeks Keanekaragaman fitoplankton berkisar 1,21-2,39 dan zooplankton 0-1,85. Temuan ini mengindikasikan kondisi perairan waduk berada pada kategori mesotrofik hingga eutrofik. Struktur komunitas plankton mencerminkan kualitas air yang berkisar dari mesotrofik (nutrien sedang) hingga eutrofik (nutrien tinggi). Kondisi ini penting untuk pemantauan dan pengelolaan ekosistem waduk secara berkelanjutan.
Co-Authors Abdul Hadi Agus Arifin Sentosa, Agus Arifin Andi Perdana Gumilang Astuti, Iswari Ratna Dwiatmojo, Santoso Evi Susilawati Hendayana, Yayat Hendrawan, Andika Luky Setiyo Kusumaningtyas, Dyah Ika Putri, Didha Andini Sari, Fatma Devi Nur Indah Suryandari, Astri