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Ahmad Sharikin, A.S.A., Mohamad, A., Hanif Fadzli, M., Adam, S., Mat Piah, R.. (1405). Hotspot analysis and spatial distribution of sharks and rays: Implications for conservation and management strategies. سامانه مدیریت نشریات علمی, 25(3), 549-569. doi: 10.22092/ijfs.2026.135584
A.S.A. Ahmad Sharikin; A. Mohamad; M. Hanif Fadzli; S. Adam; R. Mat Piah. "Hotspot analysis and spatial distribution of sharks and rays: Implications for conservation and management strategies". سامانه مدیریت نشریات علمی, 25, 3, 1405, 549-569. doi: 10.22092/ijfs.2026.135584
Ahmad Sharikin, A.S.A., Mohamad, A., Hanif Fadzli, M., Adam, S., Mat Piah, R.. (1405). 'Hotspot analysis and spatial distribution of sharks and rays: Implications for conservation and management strategies', سامانه مدیریت نشریات علمی, 25(3), pp. 549-569. doi: 10.22092/ijfs.2026.135584
Ahmad Sharikin, A.S.A., Mohamad, A., Hanif Fadzli, M., Adam, S., Mat Piah, R.. Hotspot analysis and spatial distribution of sharks and rays: Implications for conservation and management strategies. سامانه مدیریت نشریات علمی, 1405; 25(3): 549-569. doi: 10.22092/ijfs.2026.135584

Hotspot analysis and spatial distribution of sharks and rays: Implications for conservation and management strategies

Iranian Journal of Fisheries Sciences
دوره 25، شماره 3، مرداد 2026، صفحه 549-569    اصل مقاله (1.18 M)
شناسه دیجیتال (DOI): 10.22092/ijfs.2026.135584
نویسندگان
A.S.A. Ahmad Sharikin1؛ A. Mohamad1؛ M. Hanif Fadzli1؛ S. Adam2؛ R. Mat Piah* 1
1Faculty of Fisheries and Aquaculture Sciences, Universiti Malaysia Terengganu, 21030 Kuala Nerus, Terengganu, Malaysia
2WWF-Malaysia, 1 Jalan PJS 5/28A, Petaling Jaya Commercial Centre (PJCC), 46150 Petaling Jaya, Selangor, Malaysia
چکیده
Shark and ray populations are increasingly threatened, highlighting the need for effective management and conservation. This study aimed to identify hotspot areas for these species in the waters of Kuala Dungun, Malaysia. Monthly onboard observations were carried out on trawl, longline, and fish trap vessels from June 2023 to May 2024. Hotspot analysis was then performed using the Getis-Ord Gi* statistic in QGIS platform. Significant hotspots for Carcharhinus sorrah, Chiloscyllium punctatum, C. hasseltii, Rhynchobatus australiae, and Maculabatis spp. were primarily identified in coastal regions, as well as in proximity to Fish Aggregating Devices (FADs) and artificial reefs. The association between hotspots and FADs/artificial reefs suggests these structures may enhance abundance, benefiting both conservation and fisheries productivity. Bamboo shark egg cases were also reported on traps located near FADs. The findings emphasize the importance of habitat protection and the implementation of marine spatial planning to support sustainable management practices.
کلیدواژه‌ها
Fisheries Management؛ Fish Population Dynamics؛ Hotspot area؛ Sharks؛ Rays؛ Marine Spatial Planning
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تعداد مشاهده مقاله: 64
تعداد دریافت فایل اصل مقاله: 68


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