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All Journal Jurnal Ilmu Pertanian Indonesia Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology JFMR (Journal of Fisheries and Marine Research) Jurnal Penelitian Pendidikan IPA (JPPIPA) Samakia: Jurnal Ilmu Perikanan Indonesian Journal of Natural Pigments Journal of Aquaculture and Fish Health Jurnal Abdi Insani Jurnal Pengabdian, Pendidikan dan Teknologi Water and Marine Pollution Journal: PoluSea
Nico Rahman Caesar
Fakultas Perikanan Dan Ilmu Kelautan, Universitas Brawijaya
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Education Engineering Environmental Science Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Physics Other

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Monitoring Kualitas Air pada Tambak Udang Vaname (Litopenaeus vannamei) di Perairan Pantai Utara Jawa Timur Nico Rahman Caesar; Uun Yanuhar; Andik Isdianto; Ekwan Nofa Wiratno; Lutfi Ni`'Matus Salamah; Zainal Abidin; Alfi Nur Rusydi; Umi Zakiyah; Hartati Kartikaningsih; Gilang Rusrita Aida; Lutfia Fahimatul Ilmi
Samakia : Jurnal Ilmu Perikanan Vol 16 No 1 (2025): Samakia: Jurnal Ilmu Perikanan
Publisher : Faculty of Science and Technology University Ibrahimy

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35316/jsapi.v16i1.6153

Abstract

Penelitian ini bertujuan untuk mengevaluasi kualitas perairan di Pantai Utara Jawa Timur berdasarkan parameter suhu, salinitas, pH, Total Dissolved Solids (TDS), Total Suspended Solids (TSS), oksigen terlarut (DO), amonia, nitrat, dan ortofosfat. Penentuan lokasi sampling dilakukan menggunakan metode purposive random sampling di tiga lokasi, yaitu Kabupaten Sidoarjo, Gresik, dan Lamongan. Hasil pengukuran menunjukkan suhu perairan berkisar antara 29,5–31,7 °C, sesuai dengan standar optimal untuk biota laut (28–32 °C). Salinitas dan pH (7,3–7,6) berada dalam batas wajar, mendukung kehidupan organisme akuatik. Nilai TDS di bawah 1000 ppm, sementara rata-rata TSS adalah 10,4 mg/L, jauh di bawah ambang batas 20–80 mg/L. Konsentrasi DO berkisar 4,7–6,97 mg/L, hampir memenuhi standar optimal > 5 mg/L. Kandungan amonia (0,007–0,088 mg/L) dan nitrat (0,051–0,095 mg/L) berada dalam batas aman. Konsentrasi ortofosfat (0,025–0,123 mg/L) melampaui ambang batas 0,015 mg/L di beberapa lokasi, kemungkinan disebabkan oleh limbah domestik. Hasil penelitian ini menunjukkan kondisi perairan Pantai Utara Jawa Timur mendukung ekosistem akuatik, meskipun potensi ancaman dari aktivitas manusia memerlukan pengelolaan lebih lanjut untuk menjaga keberlanjutan ekosistem
Analisis Status Kualitas Air di Sungai Porong yang Tercemar oleh Deterjen terhadap Respon Hematologi Ikan Java Barb (Barbonymus gonionotus) Nico Rahman Caesar; Uun Yanuhar; Abd. Rahem Faqih; Septi Anitasari; Gatot Ciptadi; Muhammad Musa; Mohammad Bisri; Muhammad Sumsanto; Nezya Pramudya Wardani
Jurnal Penelitian Pendidikan IPA Vol 10 No 6 (2024): June
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i6.6170

Abstract

The Porong River is one of the rivers that faces high anthropogenic impacts, such as surfactant waste from detergents. The hematology of Javanese carp (Barbonymus gonionotus) serves as a sentinel organism that can be used as a biomarker for the waters of the Porong River. The aim of this study is to analyze the water quality status of the Porong River polluted with surfactants using the STORET method, as well as its impact on the hematology of Javanese carp using regression and correlation analysis. The research employed a descriptive survey method. The results of the study indicated that the Porong River was categorized as moderately polluted. The average highest surfactant concentration reached 7.2 mg/L, leading to an increase in TSS to 107.95 mg/L and a decrease in DO to 1.80 mg/L. Surfactants exhibited a negative correlation with erythrocytes (91.2%), hematocrit (47.7%), and hemoglobin (60.6%), indicating that the higher the surfactant concentration, the lower the number of erythrocytes, hematocrit levels, and hemoglobin levels in Javanese carp. Conversely, there was a positive correlation between surfactants and leukocytes (56.7%) and blood glucose (66.7%), suggesting that the higher the surfactant concentration, the higher the number of leukocytes and blood glucose levels in Javanese carp.
Korelasi Kualitas Air dan Pertumbuhan Koloni Bakteri dalam Recirculating Aquaculture System (RAS) Ikan Mas Koki (Carassius auratus): Relationship Between Water Quality and Bacterial Colony Development in a Recirculating Aquaculture System (RAS) for Goldfish (Carassius auratus) Caesar, Nico Rahman; Ramadhan, Nafal Naqi; Djaduk, Saddam Langkung
Water and Marine Pollution Journal: PoluSea Vol. 3 No. 2 (2025): Water and Marine Pollution Journal: PoluSea October 2025
Publisher : Faculty of Fisheries and Marine Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.polusea.2025.003.02.5

Abstract

Efektivitas Recirculating Aquaculture System (RAS) dalam mengendalikan pertumbuhan bakteri dan menjaga kualitas air sangat penting bagi keberlanjutan budidaya ikan mas koki (Carassius auratus). Penelitian ini bertujuan menganalisis korelasi antara parameter kualitas air dan pertumbuhan koloni bakteri pada kolam pembesaran ikan mas koki dengan dan tanpa penerapan RAS. Perhitungan jumlah bakteri dilakukan menggunakan metode Total Plate Count (TPC), sedangkan parameter kualitas air (suhu, pH, DO, TSS, alkalinitas, amonia, nitrat, dan ortofosfat) diukur secara berkala. Hasil penelitian menunjukkan penurunan signifikan jumlah total bakteri dari 2,1 × 10⁴ CFU/mL pada kolam non-RAS menjadi 0,5 × 10⁴ CFU/mL pada kolam RAS. Pewarnaan gram menunjukkan dominasi bakteri gram-negatif yang berperan dalam siklus nutrien. Kualitas air pada kolam RAS secara umum memenuhi baku mutu, meskipun nilai alkalinitas pada beberapa uji melebihi standar. Analisis Canonical Correspondence Analysis (CCA) memperlihatkan korelasi positif antara total bakteri dengan TSS, pH, fosfat, dan suhu, sedangkan korelasi lemah ditemukan dengan CO₂. Hasil ini membuktikan bahwa RAS meningkatkan stabilitas kualitas air dan menurunkan kepadatan bakteri, sehingga mendukung kesehatan ikan mas koki.   The effectiveness of Recirculating Aquaculture System (RAS) in controlling bacterial growth and maintaining water quality is crucial for sustainable goldfish (Carassius auratus) culture. This study aimed to analyze the correlation between water quality parameters and bacterial colony growth in goldfish grow-out ponds with and without RAS application. Bacterial enumeration was conducted using the Total Plate Count (TPC) method, while water quality parameters (temperature, pH, DO, TSS, alkalinity, ammonia, nitrate, and orthophosphate) were measured periodically. Results indicated that the total bacterial count decreased significantly from 2.1 × 10⁴ CFU/mL in non-RAS ponds to 0.5 × 10⁴ CFU/mL in RAS ponds. Gram staining revealed the dominance of Gram-negative bacteria, which play a role in nutrient cycling. Water quality in RAS ponds generally met aquaculture standards, although alkalinity occasionally exceeded optimal limits. Canonical Correspondence Analysis (CCA) showed positive correlations between bacterial colonies and TSS, pH, phosphate, and temperature, while weak correlations were observed with CO₂. These findings demonstrate that RAS improves water quality stability and reduces bacterial density, contributing to healthier goldfish culture.
Co-Authors Abdul Rahem Faqih Adhitya, Dewa Sukma Trinanda Agus Tumulyadi Alfi Nur Rusydi Amira Baihani Andik Isdianto Apri Supii Arief Setyanto Asadi, M. Arif Asmirijal, Amrey Syahnur Asus Maizar Suryanto H Atmaja, Albertus Aldo Danar Choirul Huda Darmawan Ockto Sutjipto Defa Rizqi Machfuda Dewa Gede Raka Wiadnya Dhea, Luthfia Ayu Dhiana Puspitawati Djaduk, Saddam Langkung Dyah Kinasih Wuragil Dyah Wuragil Ekwan Nofa Wiratno Fajar Shodiq Fathah, Aulia Lanudia Fauliza, Tifa Gatot Ciptadi Gatut Bintoro Gian Suryanatha Hartawan Gian Suryanatha Hartawan Gilang Rusrita Aida Gilang Rusrita Aida Gunanti Mahasri Hadiyah, Lisa Nur Hartati Kartikaningsih Herly Evanuarini Herly Evanuarini Heru Suryanto Irwan Jatmiko Ismail, Mahrus Jibril Maulana Lutfi Ni`'Matus Salamah Lutfia Fahimatul Ilmi Marsela, Kristina Mohammad Bisri Mufidah, Rhobithotus Muhammad Musa Muhammad Musa Muhammad Musa Muhammad Musa Muhammad Musa Muhammad Sumsanto Muhammad Sumsanto Nezya Pramudya Wardani Nezya Pramudya Wardani Nuddin Harahab Nur Junirahma Pahlefi, Reval Putri, Berlania Mahardika Ramadhan, Nafal Naqi Septi Anitasari Supriyadi Supriyadi Tri Djoko Lelono Umi Zakiyah Utama, Andria Ansri Utari, Inpita Casuarina Eqisetia Wardani, Nezya Pramudya Wuragil, Dyah Kinasih Yanuhar, Uun Yusuf Arif Wahyudi Zainal Abidin