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@article{jpl72257, author = {Yona Mitasari and Haeruddin Haeruddin and Kukuh Prakoso and Arif Rahman}, title = {Analisis Status Kesuburan Perairan Pada Tambak Ikan Nila (Oreochromis niloticus) Berdasarkan Trophic State Index (TSI) di Kabupaten Kendal}, journal = {Jurnal Pasir Laut}, volume = {9}, number = {2}, year = {2025}, keywords = {Kesuburan Perairan; Klorofil – a; Nitrat; Total Fosfor; TSI}, abstract = { Tambak ikan nila tradisional di Kabupaten Kendal merupakan revitalisasi tambak yang tidak produktif di kawasan pantura. Daerah tersebut memiliki potensi lahan yang cukup baik dan cocok untuk budidaya ikan nila. Salah satu penentu keberhasilan budidaya ikan yaitu kualitas udara yang dipengaruhi oleh kesuburan perairan. Kesuburan perairan merupakan salah satu indikator untuk melihat kondisi perairan sehingga diperoleh informasi guna pemanfaatan dan pengelolaan perairan secara berkelanjutan. Tujuan penelitian untuk mengetahui kualitas udara dan status kesuburan perairan. Metode pengumpulan data lapangan menggunakan purposive sampling . Pengambilan sampel udara dilakukan 3 kali pada bulan Oktober 2024. Kesuburan perairan ditentukan dengan metode Trophic State Index (Carlson, 1977). Variabel yang diamati untuk mengetahui kesuburan perairan adalah nilai kecerahan, total fosfor dan klorofil – a. Nilai rata – rata variabel kualitas udara berurutan yaitu suhu (33,067ᵒC), kecerahan (48 cm), DO (5,26 mg/L), salinitas (18,9 ‰), pH (7,728), nitrat (1,8 mg/L), ortofosfat (0,536 mg/L) dan klorofil – a (2,928 µg/L). Hasil perhitungan TSI memiliki kisaran nilai 65,366 – 75,608. Secara umum perairan tambak budidaya ikan nila dominan tergolong dalam kondisi perairan eutrofik berat (70<TSI<80). Hasil analisis statistik regresi berganda linier yaitu tidak ada pengaruh secara simultan nitrat dan total fosfor terhadap klorofil – a dengan persamaan regresi adalah Y (klorofil – a) = 3,771 – 0,140X 1 (nitrat) – 0,573X 2 (total fosfor). Koefisien determinasi 34,3%, nitrat dan total fosfor berkontribusi sebesar 34,3% terhadap konsentrasi klorofil – a. }, issn = {2747-0776}, pages = {138--147} doi = {10.14710/jpl.2025.72257}, url = {https://ejournal.undip.ac.id/index.php/pasirlaut/article/view/72257} }
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When this article is accepted for publication, its copyright is transferred to Pasir Laut Journal, Universitas Diponegoro. The copyright transfer covers the exclusive right to reproduce and distribute the article, including reprints, translations, photographic reproductions, microform, electronic form (offline, online) or any other reproductions of similar nature.
The author warrants that this article is original and that the author has full power to publish. The author signs for and accepts responsibility for releasing this material on behalf of any and all co-authors. In regard to all kinds of plagiarism in this manuscript, if any, only the author(s) will take full responsibility. If the article is based on or part of a bachelor's thesis, magister thesis or Ph.D. thesis, the student needs to sign as his/her agreement that his/her works are going to be published.
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