Program Studi Manajemen Sumberdaya Perairan, Jurusan Perikanan, Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro, Indonesia
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@article{MARJ10677, author = {Andrian Juniarta and Agus Hartoko and - Suryanti}, title = {ANALISIS PRODUKTIVITAS PRIMER TAMBAK IKAN BANDENG (Chanos chanos, FORSSKAL) DENGAN DATA CITRA SATELIT IKONOS DI KABUPATEN PATI, JAWA TENGAH}, journal = {Management of Aquatic Resources Journal (MAQUARES)}, volume = {5}, number = {1}, year = {2016}, keywords = {Klorofil-a; Nitrat; Fosfat; Fitoplankton; Citra IKONOS}, abstract = { Kabupaten Pati salah satu sentra penghasil ikan bandeng terbesar di Propinsi Jawa Tengah. Hal tersebut tentunya dapat memberikan pengaruh terhadap perubahan kualitas kesuburan perairan yang dipengaruhi oleh adanya unsur hara, klorofil-a, nitrat, fosfat, dan fitoplankton. Penelitian dilakukan pada bulan Mei 2015 di tambak ikan Bandeng Kabupaten Pati, bertujuan mengetahui kandungan klorofil-a, nitrat, fosfat, dan fitoplankton di beberapa wilayah tambak ikan bandeng dengan citra satelit resolusi tinggi serta mengetahui keterkaitan antara klorofil-a dengan nitrat, fosfat serta fitoplankton. Metodenya yaitu metode deskriptif dengan teknik purposive random sampling, dan interpretasi citra IKONOS. Kandungan klorofil-a di tambak semua tergolong oligotrofik, kecuali VI tergolong mesotrofik. Kandungan nitratnya di tambak II, III, IV, V, VII, dan VIII tergolong oligotrofik, dan tambak I, VI, dan IX tergolong mesotrofik. Berdasarkan kandungan fosfatnya, semua tambak tergolong oligotrofik. Fitoplankton yang mendominasi yaitu genus Nitzchia, Navicula, dan Ulothrix. Pada tambak I, II, III, IV nilai indeks keanekaragaman, kestabilan komunitas dan penyebaran jumlah individu setiap jenis fitoplankton termasuk dalam kategori sedang, pada tambak V, VI, VII, VIII, IX dalam kategori rendah. Nilai indeks keseragaman tambak I dan II yaitu stabil, relatif sama dan tidak ada yang mendominasi sedangkan tambak III, IV, V, VI, VII, VIII, IX tidak merata dan ada jenis yang mendominasi. Hubungan antara klorofil-a dengan nitrat lebih kuat daripada klorofil-a dengan fosfat yang dibuktikan pada hasil regresi polinomial dimana nilai (r) klorofil-a dengan nitrat sebesar 0,771 sedangkan nilai (r) klorofil-a dengan fosfat sebesar 0,301, klorofil-a dengan fitoplankton dengan nilai (r) 0.3951. Pati regency one of the largest center's milkfish producer in The Central Java Province. It certainly can give effect to changes in fertility quality of waters affected by the presence of nutrients, nitrates, phosphates, chlorophyll-a, phytoplankton. This research was conducted in May 2015 in Pati regency milkfish ponds, aims to determine the content of chlorophyll-a, nitrate, phosphate, and phytoplankton in some areas milkfish ponds with high-resolution satellite imagery and determine the relationship between chlorophyll-a by nitrates, phosphates and phytoplankton. The method used is descriptive method with purposive random sampling technique, and interpretation of IKONOS imagery. The results based on content of chlorophyll-a in ponds I, II, III, IV, V, VII, VIII, IX classified oligotrofik, and pond VI classified mesotrofik. Based on the content of nitrate in ponds II, III, IV, V, VII, and VIII classified oligotrofik, and ponds I, VI and IX classified mesotrofik. Based on the content of phosphate, all ponds classified oligotrofik. Namely of phytoplankton dominate the genus Nitzschia, Navicula, and ulothrix. At the ponds I, II, III, IV value of diversity index, the stability of communities and the spread of the number of individuals of each species of phytoplankton in medium category, in ponds V, VI, VII, VIII, IX index value of diversity, the stability of communities and the spread of the number of individuals of each species phytoplankton are included in the low category. Ponds uniformity index value I and II are stable, relatively the same and no one dominates, while ponds III, IV, V, VI, VII, VIII, IX is uneven and there is a dominant species. The relationship between chlorophyll-a by nitrate is stronger than chlorophyll-a with phosphate as evidenced in the results of polynomial regression in which the value (r) of chlorophyll-a with nitrate of 0.771 while the value (r) of chlorophyll-a with phosphate at 0.301, chlorophyll-a with phytoplankton value (r) 0.3951. }, issn = {2721-6233}, pages = {83--90} doi = {10.14710/marj.v5i1.10677}, url = {https://ejournal3.undip.ac.id/index.php/maquares/article/view/10677} }
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Kabupaten Pati salah satu sentra penghasil ikan bandeng terbesar di Propinsi Jawa Tengah. Hal tersebut tentunya dapat memberikan pengaruh terhadap perubahan kualitas kesuburan perairan yang dipengaruhi oleh adanya unsur hara, klorofil-a, nitrat, fosfat, dan fitoplankton. Penelitian dilakukan pada bulan Mei 2015 di tambak ikan Bandeng Kabupaten Pati, bertujuan mengetahui kandungan klorofil-a, nitrat, fosfat, dan fitoplankton di beberapa wilayah tambak ikan bandeng dengan citra satelit resolusi tinggi serta mengetahui keterkaitan antara klorofil-a dengan nitrat, fosfat serta fitoplankton. Metodenya yaitu metode deskriptif dengan teknik purposive random sampling, dan interpretasi citra IKONOS. Kandungan klorofil-a di tambak semua tergolong oligotrofik, kecuali VI tergolong mesotrofik. Kandungan nitratnya di tambak II, III, IV, V, VII, dan VIII tergolong oligotrofik, dan tambak I, VI, dan IX tergolong mesotrofik. Berdasarkan kandungan fosfatnya, semua tambak tergolong oligotrofik. Fitoplankton yang mendominasi yaitu genus Nitzchia, Navicula, dan Ulothrix. Pada tambak I, II, III, IV nilai indeks keanekaragaman, kestabilan komunitas dan penyebaran jumlah individu setiap jenis fitoplankton termasuk dalam kategori sedang, pada tambak V, VI, VII, VIII, IX dalam kategori rendah. Nilai indeks keseragaman tambak I dan II yaitu stabil, relatif sama dan tidak ada yang mendominasi sedangkan tambak III, IV, V, VI, VII, VIII, IX tidak merata dan ada jenis yang mendominasi. Hubungan antara klorofil-a dengan nitrat lebih kuat daripada klorofil-a dengan fosfat yang dibuktikan pada hasil regresi polinomial dimana nilai (r) klorofil-a dengan nitrat sebesar 0,771 sedangkan nilai (r) klorofil-a dengan fosfat sebesar 0,301, klorofil-a dengan fitoplankton dengan nilai (r) 0.3951.
Pati regency one of the largest center's milkfish producer in The Central Java Province. It certainly can give effect to changes in fertility quality of waters affected by the presence of nutrients, nitrates, phosphates, chlorophyll-a, phytoplankton. This research was conducted in May 2015 in Pati regency milkfish ponds, aims to determine the content of chlorophyll-a, nitrate, phosphate, and phytoplankton in some areas milkfish ponds with high-resolution satellite imagery and determine the relationship between chlorophyll-a by nitrates, phosphates and phytoplankton. The method used is descriptive method with purposive random sampling technique, and interpretation of IKONOS imagery. The results based on content of chlorophyll-a in ponds I, II, III, IV, V, VII, VIII, IX classified oligotrofik, and pond VI classified mesotrofik. Based on the content of nitrate in ponds II, III, IV, V, VII, and VIII classified oligotrofik, and ponds I, VI and IX classified mesotrofik. Based on the content of phosphate, all ponds classified oligotrofik. Namely of phytoplankton dominate the genus Nitzschia, Navicula, and ulothrix. At the ponds I, II, III, IV value of diversity index, the stability of communities and the spread of the number of individuals of each species of phytoplankton in medium category, in ponds V, VI, VII, VIII, IX index value of diversity, the stability of communities and the spread of the number of individuals of each species phytoplankton are included in the low category. Ponds uniformity index value I and II are stable, relatively the same and no one dominates, while ponds III, IV, V, VI, VII, VIII, IX is uneven and there is a dominant species. The relationship between chlorophyll-a by nitrate is stronger than chlorophyll-a with phosphate as evidenced in the results of polynomial regression in which the value (r) of chlorophyll-a with nitrate of 0.771 while the value (r) of chlorophyll-a with phosphate at 0.301, chlorophyll-a with phytoplankton value (r) 0.3951.
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