Informasi Detil Paper |
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| Judul: | Length difference base on fishing time and length-weigth relationship of skipjack (Katsuwonus pelamis) in The South of Seram Island |
| Penulis: | J. B. Pillin & R. H. S. Tawari || email: info@mx.unpatti.ac.id |
| Jurnal: | Amanisal Vol. 4 no. 1 - hal. 47-54 Tahun 2015 [ Perikanan & IK ] |
| Keywords: | Fishing time, Skipjack, length frequency, length-weight relationship. |
| Abstract: | Study about the size and length-weight relationship of fish based on fishing time is a fundamental study that can be used to determine the population biology of a fish stock for the exploitation of the resource. Skipjack (Katsuwonus pelamis) is one of the most important export commodity with high economic value, resulting the exploitation by the fishermen around the shout of Seram Island using pole and line. Current biological condition of skipjack tuna at the South Seram Ocean is important to be discovered. The aim of this research was to determine the size of skipjack based on fishing time and to analyze the weight-length relationship of skipjack. Data of fish length (standard length/SL) and weight was collected based on the fishing time, i.e. morning (06.30-10.00 WIT), before noon (10.15-12.30 WIT), noon (12.31- 15.30 WIT) and evening (15.31-18.30 WIT). The data was collected based on purposive sampling. The result showed that fish with sized ranged between 36-45 cm dominated the catch in all four different fishing time, while the analysis of weight-length relationship showed coefficient b<3. This result showed that skipjacks that was catched around south Seram Island Ocean has a negative allometric growth pattern, which means that fish length growth faster than the weight. |
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