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Function: _error_handler
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Filename: controllers/Portal_prodi.php
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Function: _error_handler
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Function: require_once
21 Oktober 2021
Ikan layang merupakan komoditas ekonomis penting dari famili Carangidae yang banyak tertangkap di perairan Bali Selatan. Otolith ikan dimanfaatkan secara luas untuk mengaji taksonomi, pertumbuhan, umur dan kekerabatan populasi ikan dari perairan yang berbeda. Penelitian ini bertujuan untuk mengetahui hubungan antara morfometrik otolith dan ukuran ikan layang serta ciri-ciri morfologi otolith. Sampel dikumpulkan dari Pangkalan Pendaratan Ikan (PPI) Kedonganan dan Pelabuhan Perikanan Nusantara (PPN) Pengambengan, Bali Selatan antara 7 Maret s/d 5 April 2020. Sampel ikan layang deles diambil secara acak (random sampling) dari hasil tangkapan pukat cincin yang beroperasi secara harian. Pengambilan sagittae dilakukan dengan cara “up through the gill”. Secara keseluruhan digunakan 83 pasang sampel otolith sagittae utuh yang berhasil diambil dari bagian kepala ikan layang deles. Hubungan morfometrik otolith dan ukuran ikan dianalisis menggunakan persamaan regresi linear y= ax + b. Hasil penelitian menunjukkan bahwa tidak ada perbedaan yang signifikan antara morfometri otolith kiri dan kanan. Ukuran otolith memiliki korelasi isometrik dengan pertumbuhan ikan, dalam arti panjang otolith (OL) menjadi indikator terbaik untuk mengestimasi ukuran individu ikan layang Decapterus macrosoma. http://ejournal-balitbang.kkp.go.id/index.php/bawal/article/download/9521/7349 |