根据鱼类体长数据得出的塔卡邦奈特国家公园水流中卡卡鱼(Lutjanus spp.)

Alifah Fitam Rakhma Sari, Asep Pranajaya, Khoirul Anam, Isnaini Marliana, Sukmaraharja Aulia Rachman Tarigan, Tasrif Kartawijaya, Siska Agustina, D. D. Kembaren, Mohammad Natsir, Rian Prasetia
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引用次数: 0

摘要

鲷鱼(Lutjanus spp.)是塔卡勃纳特国家公园最常见的珊瑚礁鱼类,因为它具有很高的经济价值,也是主要的目标鱼种。如果没有适当的管理措施,密集的捕捞活动可能会导致鱼类种群不可持续。 因此,为了保持可持续利用,了解鲷鱼渔业的种群状况非常重要。本研究旨在分析塔卡菠萝地国家公园水域的鲷鱼种群状况。数据收集时间为 2022 年 1 月至 12 月,地点为三个小型渔场。结果显示,笛鲷属于生长缓慢的鱼种,其生长速度分别为每年 0.12、0.39 和 0.35,达到各自的渐近长度分别为 83.41 厘米、29.5 厘米和 46.80 厘米。L. gibbus 和 L. bohar 的种群状况显示为过度捕捞状态,开发率(E)大于 0.5,SPR 小于 0.3,因此需要采取适当的管理措施。此外,L. quinquelineatus的E值为0.5,SPR为0.3,表明该物种的利用水平处于最佳状态。关键词 鲷鱼、Taka Bonerate、渔业管理。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
STATUS PEMANFAATAN IKAN KAKAP (Lutjanus spp.) BERBASIS DATA PANJANG IKAN DI PERAIRAN TAMAN NASIONAL TAKA BONERATE
Snappers (Lutjanus spp.) are the most common reef fish caught in Taka Bonerate National Park due to its high economic value and primarily targeted species. Without proper management measures, intensive fishing activities might result in unsustainable fish stocks.  Therefore, in order to maintain sustainable utilization, it is important to understand the stock status of snapper fisheries. This study aimed to analyze the snappers' stock status in Taka Bonerate National Park's waters. Data were collected from January to December 2022 at three small-scale fisheries landing sites. The results showed that snappers are classified as slow-growing species with growth rates for species L. bohar, L. quinquelineatus, L. gibbus respectively 0,12, 0,39, and 0,35 per year to reach their respective asymptotic lengths of 83,41 cm, 29,5 cm, and 46,80 cm. The stock status of L. gibbus and L. bohar were indicated at overfished status where the exploitation rate (E) was > 0.5 and the SPR was < 0.3,  hence a proper management measures is required. Furthermore, the species of L. quinquelineatus has a value of E is 0.5 and SPR is at 0.3, indicating that the utilization level of this species was at an optimal level. Keywords:       Snapper, Taka Bonerate, Fisheries Management.
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