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All Journal Albacore : Jurnal Penelitian Perikanan Laut AQUACOASTMARINE: Journal of Aquatic & Fisheries Sciences
Sasarari, Rosmina
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Agriculture, Biological Sciences & Forestry Humanities

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RELATIONSHIP ANALYSIS BETWEEN CRAB CARAPACE WIDTH AND WEIGHT CAUGHT USING FOLDING TRAPS IN GEBANG MEKAR WATERS Jhohan; Riyanto, Mochammad; Tapilatu, Maryrose Easter; Bahtiar, Sadida Anindya; Rajagukguk, Bulfrit B.; Sasarari, Rosmina; Soradatu, Syeiqido
Jurnal Penelitian Perikanan Laut (Albacore) Vol 9 No 4 (2025): Albacore
Publisher : Departemen PSP IPB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/core.9.4.619-631

Abstract

The blue swimming crab (Portunus pelagicus) is a high economic importance marine species and serves as a primary target for local fisheries employing collapsible traps in Gebang Mekar, Cirebon Regency waters. This study aimed to examine the sex ratio and growth pattern based on variations in carapace width and body weight of crabs captured in the area. Fieldwork was conducted from April to May 2023 in Gebang Mekar Village. Data collection involved measuring the carapace width and body weight of crabs obtained from 30 fishing trips. A total of 2,191 individuals were recorded, comprising 638 males (29.2%) and 1,553 females (70.8%), resulting in a male-to-female ratio of 1:2.4. Carapace width ranged from 6 to 16 cm, while body weight varied between 21 to 338 grams. The analysis of the width-weight relationship yielded a regression coefficient (b) of 2.923, indicating a negative allometric growth pattern, where carapace width increases faster than body weight. The results also demonstrated a positive correlation between carapace width and body weight, suggesting that larger individuals tend to be heavier. Key words: blue swimming crab, carapace width and weight, sex ratio
Analysis Analisis Produktivitas dan Kelayakan Usaha Penangkapan Rajungan (Portunus pelagicus) dengan Menggunakan Bubu Lipat Di Perairan Gebang Mekar Cirebon: Analysis of Productivity and Feasibility of Crab (Portunus Pelagicus) Fishing Business Using Folding Trap in Gebang Mekar Waters, Cirebon Jhohan, Jhohan; Riyanto, Mochammad; Tebaiy, Selvi; Fardhilah, Muhammad Fajar Fajri; Ferani, Lathifa Marsya Nathania; Yusuf, La Ode Muhammad Iksan; Saputra, Riki; Taufiq; Sasarari, Rosmina
AQUACOASTMARINE: Journal of Aquatic and Fisheries Sciences Vol. 5 No. 1 (2026): AQUACOSTMARINE: Journal of Aquatic and Fisheries Sciences
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jafs.v5i1.25005

Abstract

Perairan Gebang Mekar, Kabupaten Cirebon, Jawa Barat, merupakan salah satu wilayah potensial perikanan tangkap dengan produksi rajungan (Portunus pelagicus) sebesar 5.645–6.553 ton per tahun, di mana bubu lipat berperan sebagai alat tangkap utama yang ramah lingkungan dan efisien operasional. Penelitian ini bertujuan untuk menganalisis produktivitas dan kelayakan finansial usaha penangkapan rajungan menggunakan bubu lipat melalui pendekatan experimental fishing selama 30 trip dengan 1.000 unit bubu. Hasil penelitian menunjukkan produktivitas rata-rata 8,67 kg/trip atau 104,04 kg/tahun, total investasi Rp231.122.900, pendapatan bersih Rp161.695.536/tahun, benefit cost ratio (BCR) 1,92, financial rate of return (FRR) 69,9%, dan payback period of capital (PPC) 1,43 tahun. Usaha dinyatakan layak secara finansial karena BCR > 1, FRR jauh melebihi suku bunga bank (19%), serta periode pengembalian modal relatif singkat dengan rekomendasi pengoptimalan manajemen investasi dan kepatuhan terhadap regulasi ukuran tangkap demi keberlanjutan sumber daya
Co-Authors Bahtiar, Sadida Anindya Fardhilah, Muhammad Fajar Fajri Ferani, Lathifa Marsya Nathania Jhohan Jhohan, Jhohan Mochammad Riyanto Rajagukguk, Bulfrit B. Riki Saputra, Riki Soradatu, Syeiqido Tapilatu, Maryrose Easter Taufiq Tebaiy, Selvi Yusuf, La Ode Muhammad Iksan