Program Studi Manajemen Sumberdaya Perairan, Departemen Sumberdaya Akuatik, Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro, Indonesia
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@article{MARJ22553, author = {Laeli Luthfiani and Abdul Ghofar and Frida Purwanti}, title = {KOMPOSISI JENIS IKAN HASIL TANGKAPAN SAMPINGAN (BYCATCH) PUKAT DORONG DI TAMBAK LOROK, SEMARANG}, journal = {Management of Aquatic Resources Journal (MAQUARES)}, volume = {7}, number = {3}, year = {2018}, keywords = {Komposisi Jenis; Hasil Tangkapan Sampingan; Pukat Dorong; Tambak Lorok; Semarang}, abstract = { Kegiatan perikanan tangkap di Tambak Lorok dilakukan menggunakan berbagai alat tangkap, salah satunya adalah pukat dorong / sodo. Penggunaan pukat dorong menghasilkan tangkapan sampingan ( bycatch ). Penelitian dilaksanakan pada Desember 2017 - Maret 2018 di Tambak Lorok, Semarang. Penelitian bertujuan untuk mengetahui cara pengoperasian pukat dorong, komposisi hasil tangkapan, komposisi jenis, dan distribusi ukuran hasil tangkapan sampingan pukat dorong di Tambak Lorok, Semarang. Metode penelitian yang digunakan adalah metode survey, sedangkan pengambilan sampel dilakukan dengan metode purposive sampling . Sampling dilakukan sebanyak 5 kali dengan mendata hasil tangkapan kapal pukat dorong di dermaga dan 1 kali mengikuti kegiatan nelayan dalam operasi penangkapan ikan. Pengoperasian pukat dorong meliputi proses setting, pushing , dan hauling selama 6 jam pada kedalaman 5-12 meter sekitar 2 mil dari bibir pantai dengan nilai B/C Ratio yaitu 1,63 yang berarti usaha tersebut menghasilkan keuntungan sehingga layak untuk dijalankan. Komposisi hasil tangkapan pukat dorong berdasarkan berat tangkapan yaitu 39,84% tangkapan utama dan 60,16% tangkapan sampingan. Hasil tangkapan sampingan pukat dorong yang sering ditemukan adalah Ikan Layur ( Trichiurus lepturus ), Ikan Kempar ( Secutor ruconius ), Ikan Kembung ( Rastrelliger sp.), dan Ikan Tunul ( Sphyraena jello ). Distribusi ukuran beberapa jenis tangkapan sampingan merupakan ukuran yang belum layak tangkap karena < Lm dan nilai L50% < ½ L∞. Capture fisheries in the Tambak Lorok use a variety of fishing gear; one of which is pushnet / sodo. The use of pushnet produces bycatch. The research was conducted in December 2017 - March 2018 aiming to find out the way of pushnet operation, catch composition, bycatch type composition, and bycatch size distribution of pushnet in the Tambak Lorok, Semarang. The research method used survey method, while sampling done by purposive sampling method. Operation of pushnet includes the process of setting, pushing, and hauling for 6 hours at a depth of 5-12 meters about 2 miles away from the shore. The value of B/C Ratio is 1.63 which means the business is feasible. Catches composition by weight is 39,84% target species and 60,16% bycatch. Composition type of bycatch was dominated by Ribbonfish (Trichiurus lepturus), Ponyfish (Secutor ruconius), Mackerel (Rastrelliger sp.), and Barracuda (Sphyraena jello). The size distribution of some bycatch were included the size of uncatchable fish because < Lm and L50% < ½ L∞. }, issn = {2721-6233}, pages = {288--297} doi = {10.14710/marj.v7i3.22553}, url = {https://ejournal3.undip.ac.id/index.php/maquares/article/view/22553} }
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Kegiatan perikanan tangkap di Tambak Lorok dilakukan menggunakan berbagai alat tangkap, salah satunya adalah pukat dorong / sodo. Penggunaan pukat dorong menghasilkan tangkapan sampingan (bycatch). Penelitian dilaksanakan pada Desember 2017 - Maret 2018 di Tambak Lorok, Semarang. Penelitian bertujuan untuk mengetahui cara pengoperasian pukat dorong, komposisi hasil tangkapan, komposisi jenis, dan distribusi ukuran hasil tangkapan sampingan pukat dorong di Tambak Lorok, Semarang. Metode penelitian yang digunakan adalah metode survey, sedangkan pengambilan sampel dilakukan dengan metode purposive sampling. Sampling dilakukan sebanyak 5 kali dengan mendata hasil tangkapan kapal pukat dorong di dermaga dan 1 kali mengikuti kegiatan nelayan dalam operasi penangkapan ikan. Pengoperasian pukat dorong meliputi proses setting, pushing, dan hauling selama 6 jam pada kedalaman 5-12 meter sekitar 2 mil dari bibir pantai dengan nilai B/C Ratio yaitu 1,63 yang berarti usaha tersebut menghasilkan keuntungan sehingga layak untuk dijalankan. Komposisi hasil tangkapan pukat dorong berdasarkan berat tangkapan yaitu 39,84% tangkapan utama dan 60,16% tangkapan sampingan. Hasil tangkapan sampingan pukat dorong yang sering ditemukan adalah Ikan Layur (Trichiurus lepturus), Ikan Kempar (Secutor ruconius), Ikan Kembung (Rastrelliger sp.), dan Ikan Tunul (Sphyraena jello). Distribusi ukuran beberapa jenis tangkapan sampingan merupakan ukuran yang belum layak tangkap karena < Lm dan nilai L50% < ½ L∞.
Capture fisheries in the Tambak Lorok use a variety of fishing gear; one of which is pushnet / sodo. The use of pushnet produces bycatch. The research was conducted in December 2017 - March 2018 aiming to find out the way of pushnet operation, catch composition, bycatch type composition, and bycatch size distribution of pushnet in the Tambak Lorok, Semarang. The research method used survey method, while sampling done by purposive sampling method. Operation of pushnet includes the process of setting, pushing, and hauling for 6 hours at a depth of 5-12 meters about 2 miles away from the shore. The value of B/C Ratio is 1.63 which means the business is feasible. Catches composition by weight is 39,84% target species and 60,16% bycatch. Composition type of bycatch was dominated by Ribbonfish (Trichiurus lepturus), Ponyfish (Secutor ruconius), Mackerel (Rastrelliger sp.), and Barracuda (Sphyraena jello). The size distribution of some bycatch were included the size of uncatchable fish because < Lm and L50% < ½ L∞.
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