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Population Dynamics of Bullet Tuna (Auxis rochei Risso 1881) from the Indian Ocean, West Nusa Tenggara, Indonesia
Jurnal Ilmiah Perikanan dan Kelautan · Vol. 13 No. 2 (2021) · hlm. 144–155
- ISSN
- 2528-0759, 2085-5842
- Terbit
- 2021-09-28
- Penerbit
- Faculty of Fisheries and Marine Universitas Airlangga
- Bahasa
- eng
Abstrak
Highlight Research:The bullet tuna (Auxis rochei) was identified and analysed.The length at first maturity (Lm) of bullet tuna (Auxis rochei) was analyzedThe eligibility status of bullet tuna (Auxis rochei) has been analyzed and estimatedThe LWR curve can be used to estimate age groups of fish compared to the sigmoid curveThe CF cannot be automatically used to estimate fish worth selling AbstractThe bullet tuna (Auxis rochei), BLT or tongkol lisong (Indonesian) is a species of neritic tuna which is one of the target fish for small scale fishers. The problem of bullet tuna fisheries was that it has reached overexploitation and the immature bullet tuna are still caught. This study aimed to assess the population dynamics of the BLT and its size composition caught by small scale fishers in the Indian Ocean, West Nusa Tenggara area was carried out in Bangko-Bangko (West Lombok), Cemplung Beach (South Sumbawa) and Tanjung Luar Fishing Port (East Lombok) between July 2019 and June 2020. The data was derived from the measurement and weighing results of 1,217 BLT collected from the respective collector traders at each sampling location. The growth pattern of BLT was isometric () which meant the ideal body shape (mesomorph) and length at first maturity (FLm) was 31.11 cm. The length-weight relationship curve showed that BLT was in an immature age group (adolescent fish). Meanwhile, the composition of BLT is worth selling (Condition Factor > 1.00), fit for catch (FLc / FLm > 1.00) and worthy of maturity (FLc > FLm), respectively 99.92%, 0.82% and 0.00%. The BLT fish composition indicates that the stocks of resources and populations do not support current sustainable fisheries management.
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- Universitas 45 Mataram
- University of Brawijaya
- State University of Semarang
- Lambung Mangkurat University
- UIN Sunan Ampel Surabaya
- University of Ruhuna
- Muhammadiyah University of Surakarta
- Organisasi lain
- Afiliasi tidak diketahui
- Organisasi berbeda
- Organisasi sama
- Afiliasi tidak diketahui
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Tampilkan sebagai tabel
| Rekan penulis | Organisasi | Artikel bersama |
|---|---|---|
| L.A.T.T.W. Sukmaring Kalih | Universitas 45 Mataram | 7 |
| Naning Dwi Sulystyaningsih | Universitas 45 Mataram | 5 |
| Hamid Hamid | Universitas 45 Mataram | 3 |
| Muhammad Ichsan | Wildlife Conservation Society Indonesia | 3 |
| Agustin Dwi Sumiwi | Ranaco Education & Training Institute | 3 |
| Najiah Khalisah | Universiti Malaysia Terengganu | 3 |
| Ledhyane Ika Harlyan | University of Brawijaya | 2 |
| Muhammad Arif Rahman | University of Brawijaya | 2 |
| Dwi Rosalina | Afiliasi tidak diketahui | 2 |
| Dini Sofarini | Lambung Mangkurat University | 2 |
| Kadi Sukarna | State University of Semarang | 1 |
| Zainal Arifin | State University of Semarang | 1 |
| Soegianto Soegianto | State University of Semarang | 1 |
| Rozanah Ab Rahman | Universiti Putra Malaysia | 1 |
| Rizka Rizka | Muhammadiyah University of Surakarta | 1 |
| Vanka Lyandova | St Petersburg University | 1 |
| Syarifah Hikmah Julinda Sari | University of Brawijaya | 1 |
| Tri Djoko Lelono | University of Brawijaya | 1 |
| Dewa Gede Raka Wiadnya | University of Brawijaya | 1 |
| Bambang Semedi | University of Brawijaya | 1 |
| Novia Fara Diza | University of Brawijaya | 1 |
| Ming‐An Lee | National Taiwan Ocean University | 1 |
| Yasser Arafat | Sebelas Maret University | 1 |
| A. Nurtasya Wahda | Afiliasi tidak diketahui | 1 |
| Katarina Hesty Rombe | Afiliasi tidak diketahui | 1 |
| Abdullah Kelib | Afiliasi tidak diketahui | 1 |
| Diah Sulistiyani R S | Afiliasi tidak diketahui | 1 |
| Hari Subagio | Universitas Hang Tuah | 1 |
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