Please use this identifier to cite or link to this item:
http://repository.ipb.ac.id/handle/123456789/169657| Title: | Agregasi Spasial Ikan Tongkol Komo (Euthynnus affinis) di Wilayah Pengelolaan Perikanan 713 dengan Maximum Entropy Model |
| Other Titles: | Spatial Aggregation of Mackerel tuna (Euthynnus affinis) in Fisheries Management Area 713 Using the Maximum Entropy Model |
| Authors: | Wahyuningrum, Prihatin Ika Wiryawan, Budy Hadisti |
| Issue Date: | 2025 |
| Publisher: | IPB University |
| Abstract: | Ikan tongkol komo (Euthynnus affinis) di WPPNRI 713 berstatus fully
exploited, sehingga menimbulkan kekhawatiran terhadap keberlanjutan stok dan
memerlukan pengelolaan spasial tepat untuk menentukan area penangkapan
potensial. Penelitian ini bertujuan untuk menghitung produktivitas tangkapan,
memetakan parameter oseanografi, serta memodelkan sebaran ikan tongkol komo
dengan model maximum entropy (MaxEnt). Metode penelitian yang digunakan
adalah analisis deskriptif komparatif CPUE, analisis spasial deskriptif, dan
analisis menggunakan Maxent. Hasil penelitian menunjukkan bahwa nilai CPUE
tertinggi tercatat pada bulan September sebesar 1.200 kg/trip. Distribusi suhu 27
30?°C, klorofil-a 0,2–1?mg/m³, salinitas 32–34?PSU, tinggi paras laut 0,5–0,83?m,
mix layer depth 5–35?m, dan batimetri 5.204?m. Model MaxEnt menunjukkan
akurasi sangat baik (AUC 0,86–0,91), dengan CHL dan SPL sebagai parameter
paling berpengaruh. Area kesesuaian tertinggi teridentifikasi pada musim barat
dan peralihan II, Informasi ini mendukung penyusunan strategi penangkapan
musiman dan pengelolaan tongkol yang berkelanjutan di WPPNRI 713. Mackerel tuna (Euthynnus affinis) in Fisheries Management Area (FMA) 713 is fully exploited, raising concerns about stock sustainability and requiring accurate spatial management to identify potential fishing areas. This study aimed to estimate catch productivity, map oceanographic parameters, and model the distribution of mackerel tuna using the Maximum Entropy model (MaxEnt). The research methods included analysis of CPUE, spatial analysis, and modeling using the MaxEnt model. The results show that the highest CPUE was recorded in September at 1,200 kg/trip. In addition, sea surface temperature range from 27 to 30 °C, chlorophyll-a from 0.2 to 1 mg/m³, salinity from 32 to34 PSU, sea level height from 0.5 to 0.83 m, mixed layer depth from 5 to 35 m, and bathymetry reached 5,204 m. The MaxEnt model demonstrated high accuracy (AUC 0.86 0.91), with CHL and SST as the most influential parameters. The highest suitability areas were identified during the west monsoon and the second transitional season. This information supports the development of seasonal fishing strategies and sustainable management of little tuna in FMA 713. |
| URI: | http://repository.ipb.ac.id/handle/123456789/169657 |
| Appears in Collections: | MT - Fisheries |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| cover_C4401211037_be5c081d092849a3aaf65f1a3cc7b70c.pdf | Cover | 592.76 kB | Adobe PDF | View/Open |
| fulltext_C4401211037_c062eaa71c9343959115a81f9e98b49d.pdf Restricted Access | Fulltext | 3.04 MB | Adobe PDF | View/Open |
| lampiran_C4401211037_760ee1cef40e443a99952ff35743e86f.pdf Restricted Access | Lampiran | 943.15 kB | Adobe PDF | View/Open |
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.