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All Journal Saintek Perikanan : Indonesian Journal of Fisheries Science and Technology JFMR (Journal of Fisheries and Marine Research) Bawal : Widya Riset Perikanan Tangkap Jurnal Segara Frontiers Zona Laut : Jurnal Inovasi Sains dan Teknologi Kelautan Jurnal Bluefin Fisheries
Saranga, Rudi
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Journal : JFMR (Journal of Fisheries and Marine Research)

 1 
POLA PERTUMBUHAN, NISBAH KELAMIN, FAKTOR KONDISI, DAN STRUKTUR UKURAN IKAN SELAR, Selar boops (Cuvier, 1833) YANG TERTANGKAP DI PERAIRAN SEKITAR BITUNG Saranga, Rudi; Setyohadi, Daduk; Arifin, Muh Zainul; Wiadnya, Dewa G.R.; Herawati, Endang Y
JFMR (Journal of Fisheries and Marine Research) Vol. 2 No. 2 (2018): JFMR
Publisher : Faculty of Fisheries and Marine Science, Brawijaya University, Malang, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jfmr.2018.002.02.5

Abstract

Abstrak  Penelitian ini bertujuan untuk mengetahui pola pertumbuhan, nisbah kelamin, faktor kondisi, dan struktur ukuran ikan S. boops yang tertangkap di perairan sekitar Bitung. Penelitian dilakukan di Pelabuhan Perikanan Samudera Bitung pada bulan Februari-Juli 2016. Sampling ikan S. boops yang dianalisis berjumlah 846 ekor terdiri dari 430 ekor (50,83%) jantan, 357 ekor (42,20%) betina serta 59 ekor (6,97%) yang tidak teridentifikasi. Kisaran panjang cagak (FL) antara 8,60-23,60 cm (rerata 16,45 ± 3,34 cm) dan bobot tubuh berkisar 10,00-257,50 g (rerata 91,71 ± 56,07 g). Hubungan panjang bobot ikan S. boops keseluruhan W=0,0115 FL3,1596 (R2 = 0,9902) dengan pola pertumbuhan allometrik positif (b>3). Persamaan hubungan panjang bobot ikan S. boops jantan dan betina masing-masing adalah W=0,0105 FL3,1922 dan W=0,0107 FL3,1816 dengan pola pertumbuhan yang sama, yakni allometrik positif (b>3). Rasio kelamin S. boops jantan dan betina dalam kondisi seimbang. Kisaran faktor kondisi relatif (Kn) ikan jantan 0,7549-1,1782 (rerata 1,0018 ± 0,0596) dan ikan betina 0,6353-1,2529 (rerata 1,0024 + 0,0692) yang menunjukkan tubuh ikan kurang pipih. Sebaran frekuensi panjang ikan S. boops jantan didominasi pada interval kelas panjang 20,0–21,0 cm dan ikan betina pada interval kelas panjang 14,0-15,0 cm..Keywords: faktor kondisi, nisbah kelamin, pola pertumbuhan, Selar boops, struktur ukuran ikan Abstract   This research aims to find the growth pattern, sex ratio, condition factor and size structure of S. boops caught from Bitung waters area. This research was conducted between February 2016 and July 2016, sampling location at Bitung Oceanic Fishing  Port. 846 of S. boops samples fish were analised consist 430 of male (50,83%), 357 of female (42,205) and 59 un-identified (6,97%) with 8,60-23,60 cm ranges of fork length (mean 16,45 ± 3,34 cm) and 10,00-257,50 g ranges of body weight (mean 91,71 ± 56,07 g). Common equation of length-weight relationship was W=0,0115 FL3,1596 (R2 = 0,9902) with positive allometric (b>3). Equations of length-weight relationship was W=0,0105 FL3,1922 for male, while female was W=0,0107 FL3,1816 with positive allometric (b>3). Sex ratio of male and female were constant. Relative condition factor (Kn) of male was 0,7549-1,1782 (rerata 1,0018 ± 0,0596), while female was 0,6353-1,2529 (rerata 1,0024 + 0,0692), in other words that the body of S. boops was fusiform. The length frequency distribution for male S. boops was 20,0–21,0 cm and female was 14,0-15,0. Keywords: condition factor, sex ratio, growth pattern, Selar boops, fish size structure 
UKURAN PERTAMA KALI TERTANGKAP, UKURAN PERTAMA KALI MATANG GONAD DAN STATUS PENGUSAHAAN Selar boops DI PERAIRAN BITUNG Saranga, Rudi; Simau, Silvester; Kalesaran, Jerry
JFMR (Journal of Fisheries and Marine Research) Vol. 3 No. 1 (2019): JFMR
Publisher : Faculty of Fisheries and Marine Science, Brawijaya University, Malang, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jfmr.2019.003.01.9

Abstract

This research was carried out because the information related to the size of fish capture and the status of exploiting S. boops was still very little, especially in the waters around Bitung. The appropriate size of capture and exploitation status can be used as a reference to assess whether the utilization of S. boops resources in the waters around Bitung is in accordance with the sustainable management guidelines for fish resources. This study aims (1) to get the size of the first caught fish (Lc); (2) get the size of fish first cooked gonad (Lm); (3) obtain S. boops business status. The sampling of fish was obtained from the Bitung coastal fishermen who landed his catch at the Bitung Ocean Port. Retrieval of fish sample data was carried out from February 2016 to January 2017 with a total samples 1,659 using the survey method. The results showed that the size of first captured 15.10 cm FL while the size of the first matured obtained 16.30 cm FL. The status of exploitation based on the comparison of Lc and Lm parameters that percentage of matured and the SPR value categorized as overfishing.
Co-Authors Alhadi, Salman Antou , Lusje Antou, Lusje Antou, Lusje D. Arifin, Muh Zainul Arifin, Muh. Zainul Asia, Asia Daduk Setyohadi Darondo, Franky A. Elsari Tanjung Putri Gomair, Givensius Hamel, Samuel Haris, Dendi Herawati, Endang Y Heru Santoso Ismail Ismail Istrianto, Kadi Kalesaran, Jerry Karyanto, Karyanto Kasim, Nurdin Katili, Lidya Kemhay, Djalaludin Lie, Gretyo Eduard Dara Manengkey, Jenny I Manohas, Jul Mohammad Akbar, Mohammad Muhammad Zainul Arifin Pontoh, Peggy Putri, Elsari T. Sarianto, Deni Simau, Silvester Tauladani, Saeful A. Wiadnya, Dewa G.R. Yeka, Adnal Yuli Purwanto, Yuli Zakri, Yan