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All Journal PUBLIKASI PENELITIAN TERAPAN DAN KEBIJAKAN BIOVALENTIA: Biological Research Journal
Safran Makmur
Balai Riset Perikanan Perairan Umum Palembang
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Economics, Econometrics & Finance Environmental Science Immunology & microbiology Medicine & Pharmacology Public Health Social Sciences

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AKTIVITAS PERIKANAN TANGKAP DI DANAU TONDANO KABUPATEN MINAHASA SULAWESI UTARA Makmur, Safran; Subagdja, Subagja; Muthmainnah, Dina; Bataragoa, Nego Elvis
Publikasi Penelitian Terapan dan Kebijakan Vol 4 No 1 (2021): Publikasi Penelitian Terapan dan Kebijakan
Publisher : Badan Penelitian dan Pengembangan Daerah Provinsi Sumatera Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46774/pptk.v4i1.343

Abstract

Perikanan tangkap merupakan kegiatan perikanan yang banyak dilakukan di perairan darat termasuk di perairan danau. Aktivitas penangkapan di perairan danau umumnya masih terbatas pada pemenuhan untuk konsumsi sendiri atau dijual di sekitar tempat tinggal. Danau Tondano merupakan danau vulkanik terluas di Sulawesi Utara. Aktivitas perikanan di Danau Tondano terdiri atas budidaya dan penangkapan. Penelitian dilakukan di Danau Tondano pada tahun 2016 dengan mewakili musim hujan dan kemarau. Pengumpulan data dilakukan melalu survey inventarisasi dan wawancara dengan nelayan. Hasil penelitian menunjukkan aktivitas penangkapan di Danau Tondano masih menggunakan alat dan cara yang sederhana. Ada 11 jenis alat tangkap yang digunakan di Danau Tondano yang termasuk alat tangkap pasif (igii/trap, bagan nike, jaring insang/gillnet) dan alat tangkap aktif (sibu sibu/scoop net, pancing/hand line, palo palo renga’, sosoroka/spear, turah/spear, serok/scoop net, jala/cast net, dan jubi/harpoon). Alat tangkap jaring insang merupakan alat tangkap yang paling sering digunakan di Danau Tondano, selektif terhadap ukuran ikan, sehingga ramah lingkungan dan populasi ikan tetap terjaga.
BIOLOGICAL CHARACTERS OF SNAKEHEAD GUDGEON (Giuris margaritacea Valenciennes, 1837) IN TONDANO LAKE, MINAHASA, NORTH SULAWESI, INDONESIA Makmur, Safran; Muthmainnah, Dina; Subagdja, Subagdja
BIOVALENTIA: Biological Research Journal Vol. 5 No. 2 (2019)
Publisher : Biology Department, Faculty of Mathematics and Natural Sciences, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (891.625 KB) | DOI: 10.24233/BIOV.5.2.2019.125

Abstract

Snakehead gudgeon (Giuris margaritacea) or Payangka in Indonesian’s local name, has a high population and been used as a consumption fish mainly by people around Lake Tondano, not only the consumption size, but also the juvenile (it called Nike) are preferred. The fish resources are the essential source and need to keep their sustainable in the future. The research was carried out in 2015. The study was aimed to identify and record some aspects of snakehead gudgeon fish biology in Lake Tondano Mi-nahasa Regency of North Sulawesi. Fish samples were obtained from fisher's catch. The morphometric and meristic character was measured, and also was performed surgery to observe reproduction and food. The results showed that the growth pattern of Giuris margaritacea was positive allometric with sex ratio 1: 1.41. The fish was spawning whole year with fecundity between 36,892-90,102 eggs, and diameter of the egg was 0.285 mm on average. The size of the first mature female was 10.75 cm gonads. Snakehead gudgeon was a carnivorous fish with shrimp as the primary food, and the relative length of the digestive tract was 82.88%.
Co-Authors Bataragoa, Nego Elvis Dina Muthmainnah Subagdja, Subagdja Subagdja, Subagja