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Judul: Relationship of Length-Weight And Size Structure of Skipjack (Katsuwonus Pelamis) In Marine Waters of Moluccas, Indonesia
Penulis: Imanuel V. T. Soukotta, Azis Nur Bambang, Lacmuddin Sya'rani & Suradi Wijaya Saputra  || email:
Jurnal: Prosiding FMIPA 2016 Vol. 1 no. 1 - hal. 231-237 Tahun 2016  [ Prosiding ]
Keywords:  Skipjack, Length-Weight relationship, Structure size, Mollucas Sea.
Abstract: Skipjack (Katsuwonus pelamis) commercially important fish scattered in tropical waters covering the Molluccas Sea, Indonesia, the East-West Pacific Ocean Waters, the East-West Atlantic Ocean and the Indian Ocean. Skipjack tuna is one of the fish resources economically valuable. The market demand continues to increase so as to encourage the exploitation intensified, both by small-scale fisheries (local fishermen) and large scale. The purpose of this study was to determine the distribution of size forked long, relationship of length-weights on skipjack. The results are expected to provide information about the parameters intended for the management of skipjack resources. The research was conducted by survey method and direct observations in the field to 10% of the catch of tuna with pool and line method in January until November 2015. The results showed that the distribution of size of the long forked of Skipjack caught by fishing pole and line method ranged between 28-65 cm FL and dominated by the size of 43 cm FL. Relationship of length-weight of skipjack were caught from the waters of the Mollucas Sea, is a positive allometric (b> 3) and negative allometric (b <3). The length faster than weight gain. Positive allometric (b> 3) occurred in January and February, negative allometric (b <3) occurred in March and July, while isometric (b = 3) occurred in August and December.
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