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Journal : Jurnal Pengelolaan Perikanan Tropis (Journal Of Tropical Fisheries Management)

Financial analysis of the catching of blue swimming crab (Portunus pelagicus) in South Konawe Regency, Southeast Sulawesi Muh. Aksa Azis; Chandra Nainggolan; Priyanto Rahardjo; Muhammad Nur Findra
Journal of Tropical Fisheries Management Vol 6 No 1 (2022): Journal of Tropical Fisheries Management
Publisher : Departement of Aquatic Resources Management, Faculty of Fisheries and Marine Sciences, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jppt.v6i1.43839

Abstract

One of the important capture fisheries commodities in Southeast Sulawesi, especially small-scale fisheries, is blue swimming crab (Portunus pelagicus) using traps. The catching is said to be successful if it gets the maximum profit for the business actor. The use of different types of bait in trap results in different catches. The purpose of this study was to analyze the financial aspects which include costs, income, profits, and the level of financial feasibility of catching crabs using different baits, namely peperek fish and anchovies. The method used in this study is a survey method, namely by reviewing, observing and collecting information data directly in the field. The results of the study indicated that the variable costs incurred annually have a greater amount than the fixed costs. The biggest revenue from the crab catching business was by using peperek fish bait, with the profits being able to cover the costs incurred. Crab fishing business using peperek fish is said to be feasible and profitable as seen from the value of NPV, IRR, and B/C Ratio with the return on capital in the category of medium return on capital. Meanwhile, by using anchovy bait, there is a loss, where the revenue obtained cannot cover the costs incurred.
The Reproduction of Meretrix meretrix Clams in The Kambu River Estuary, Southeast Sulawesi: Reproduksi Kerang Tahu (Meretrix meretrix) di Muara Sungai Kambu, Sulawesi Tenggara Bahtiar; Muhammad Fajar Purnama; Rahmadhani; Muhammad Nur Findra
Journal of Tropical Fisheries Management Vol 6 No 1 (2022): Journal of Tropical Fisheries Management
Publisher : Departement of Aquatic Resources Management, Faculty of Fisheries and Marine Sciences, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jppt.v6i1.44443

Abstract

Meretrix meretrix is a degraded resource in Kendari Bay waters, but its reproductive pattern is not fully known.. This study aims to determine the level of gonad maturity, gonadal maturity index, fecundity and the size of the first gonad maturity of M. meretrix at the Kambu River estuary, Kendari Bay, Southeast Sulawesi. This research was carried out at the Kambu River estuary for 6 months from August 2021-January 2022. These clams were taken randomly representing all size classes as many as 300 birds during the study. M. meretrix were observed for gonad color and gonad development microscopically, then the length and weight of the gonads were measured using a caliper and analytical balance with an accuracy of 0.5 mm and 0.0001g, respectively. The results showed that the development of male and female gonads was relatively simultaneous, which was dominated by mature gonads (III-IV) in each month of observation. TKG I-V was found in every month of observation. The gonad maturity index of males and females were 4.92-6.00 and 5.53-6.32, respectively. The fecundity of M. meretrix ranged from 4882-85677 grains. The first mature size of the gonads of male and female M. meretrix is 20 mm.
The Population Dynamics of the Exploited White Shells (Meretrix meretrix) at the Kambu River Estuary, Southeast Sulawesi: Dinamika Populasi Kerang Tahu (Meretrix meretrix) yang Tereksploitasi di Muara Sungai Kambu Sulawesi Tenggara Bahtiar; Muhammad Digul Jaya Pratama; Muhammad Fajar Purnama; Muhammad Nur Findra
Journal of Tropical Fisheries Management Vol 6 No 2 (2022): Journal of Tropical Fisheries Management
Publisher : Departement of Aquatic Resources Management, Faculty of Fisheries and Marine Sciences, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jppt.v6i2.43788

Abstract

White shells is one of the types of shellfish that is exploited by the community around the Kambu River estuary whose population dynamics is not known certainty. This study aims to determine the population dynamics of white shells in the Kambu River estuary, Southeast Sulawesi. This research was carried out for six months from August 2021 to January 2022. white shells were collected using garok in all parts of the waters. The shell length was measured using a caliper with an accuracy of 0.05 cm. Data on population structure, growth and mortality of clams was analyzed using FiSAT II version 3,0 software. The results showed that the population structure of white shells were dominated by one size group (young adult) which were distributed. The growth parameters of white shells consisted of asymptotic length (L∞) and growth coefficient (K) were 58,91 mm and 1.1, respectively. Natural mortality (M) of white shells at an annual mean temperature of 28oC was 1,59 yr-1, while fishing mortality (F) and total mortality (Z) of white shells were 3,16 yr-1 and 4,75 yr-1, respectively. The white shells were in an overexploitation condition with an exploitation level (E) of 0,67 yr-1.
Density, Water Quality Suitability and Size Distribution of Pokea Clams (Batissa violacea var. celebensis, von Martens 1897) at Lasolo River Southeast Sulawesi Fekri, Latifa; Findra, Muhammad Nur; Bahtiar
Jurnal Pengelolaan Perikanan Tropis (Journal of Tropical Fisheries Management) Vol 8 No 1 (2024): Jurnal Pengelolaan Perikanan Tropis (Journal Of Tropical Fisheries Management)
Publisher : Departement of Aquatic Resources Management, Faculty of Fisheries and Marine Sciences, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jppt.v8i1.48555

Abstract

Kepadatan dan distribusi ukuran kerang pokea relatif berbeda-beda disetiap tempat dan waktu yang dipengaruhi oleh kualitas lingkungan perairan. Penelitian ini bertujuan untuk mengetahui kepadatan kesesuaian kualitas perairan, dan distribusi ukuran kerang pokea di Sungai Lasolo Sulawesi Tenggara. Sampel kerang pokea dikumpulkan secara acak di seluruh bagian perairan setiap bulan selama 1 tahun di Sungai Lasolo Konawe Utara. Sampel kerang dikumpulkan menggunakan luas sapuan alat tangkap tangge (alat tradisional) sebanyak 6 kali tarikan. Pengambilan sampel kualitas air dilakukan bersamaan dengan pengambilan sampel kerang. Kepadatan kerang antar tempat dan waktu pengamatan dianalisis menggunakan uji Mann-Whitney. Preferensi pokea pada kualitas perairan dianalisis menggunakan Analisis Komponen Utama (PCA) dan Analisis Kelompok (CA) pada paket program statistik multivariat (XLSTAT). Hasil analisis menunjukkan kepadatan daerah tengah muara sungai berbeda nyata (lebih tinggi) dengan pada daerah awal dan akhir ditemukan ke arah hulu (kepadatan terendah) dan ke arah muara, sedangkan kepadatan kerang pokea tidak nyata berbeda di setiap bulan pengamatan. Kerang pokea dominan ditemukan pada ukuran kecil (1,62-2,10-3,09-3,57 cm). Ukuran kerang pokea terdistribusi pada seluruh bagian perairan dan ditemukan melimpah pada bulan Mei dan Juni. Kerang pokea cenderung menyenangi kualitas perairan yang berarus lambat, kecerahan tinggi dan perairan dalam.
Co-Authors Abubakar, Salim Ade, Fifi Akhmad Mansyur Antasalam Ajo Aras Syazili Ardiansyah, Widiastuti Arif Rahman Asriyani Achmad Ayul, Fifin Azis, Muh Aksa Baharuddin, La Ode Bahtiar Bahtiar Bahtiar Bahtiar Hamar Bahtiar, . Bana, Sahindomi Basarun, Rosita Bone, Abdul Hadi Cahyani, Waode Sitti Chandra Nainggolan Daniel Frikli Mokodongan Duwila, Aryo Ermayanti Ishak Ermayanti Ishak Ermayanti Ishak, Ermayanti Fadli, Fahdi Failu, Ismail Faozan, Mohammad Gandri, La Halili Halili Haslianti Haslianti, Haslianti Hasrun, La Ode Herdiana, Lella Herlan Hidayat Ibrahim, Suriyani M. Idham, M. Tasrik Ihsan, Fadhli Insani Ira Isdradjad Setyobudiandi Kianawati, Kianawati La Ode Muhammad Arsal La Sara La Sara La Sara La Sara La Sara, La Sara Mahmud, Nurul Magfirah Meilana, Lusita Muchdar, Fatma Muh. Aksa Azis Muhaimin Hamzah Muhamad Ikbal Muhammad Digul Jaya Pratama Muhammad Fajar Purnama Muhammad Fiar Erawan Muhammad Irfan Muhammad Yusuf Afara Murtiah, Sitti Nadya Adharani NUR LAILA Nurhuda Annaastasia Nurlisa Alias Butet Oktora Dwi Putranti Paluphi, Raut Wahyuning Pitra, Faisal Pramithasari, Febi Ayu Pratama, Muhammad Farhan Priyanto Rahardjo Rahmadhani Rina Rina Risfandi Riyadi Subur, Riyadi Rovina Ruslami, Rovina Sabualamo, Riska Salmin, Ginanti Samadan, Gamal M Sapri Sapri Saputra, Adam Dwi Saumur, Fihran R. Selang, Farida Daeng Sirza, LM Junaidin Sjamsu Alam Lawelle Sriwati Sriwati Sunarti Supyan Supyan TARUNI SRI PRAWAST MIEN KAOMINI ANY ARYANI DEDY DURYADI SOLIHIN Taula, Taula Umamit, Sri Ningsih Wa Nurgaya Wardana Wardana Widhi, Raut Nugrahening Yuli Dwi Wijayanti Yustika Intan Permatahati Yusup, Ilhan Mansis