Adityawan Ahmad
Fakultas Perikanan dan Ilmu Kelautan, Universitas Khairun, Ternate 95778

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Sustainable Management of Madidihang Fisheries (Thunnus albacares) in Morotai Island District Kodobo, M. Jihar; Irham, Irham; Ahmad, Adityawan
Agrikan Jurnal Agribisnis Perikanan Vol 16 No 2 (2023): Agrikan: Jurnal Agribisnis Perikanan
Publisher : Fakultas Pertanian, Universitas Muhammadiyah Maluku Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52046/agrikan.v16i2.1786

Abstract

This study aims to measure and determine the sustainability status of the yellowfin tuna (thunnus albacares) in a sustainability perspective according to ecological, economic, social, technological, and legal/institutional dimensions in Morotai Island District. The method used in this study is a descriptive method with an analytical tool, namely RAPFISH analysis. Based on the analysis, sustainability on ecological and economic dimensions, yellowfin tuna (thunnus albacares) fishery has a moderately sustainable status with an average sustainability index value of 53.78 and 68.77 respectively. On the social and technological dimensions, the status is less sustainable with an average index score of 49.99 and 46.26, respectively. For the legal and institutional dimensions, it has a good sustainability status with an average index value of 76.13. Based on its status, it is also known which attributes are the priority (focus) in the development of multi-dimensional yellowfin fishery (Thunnus albacares) in Morotai Island Regency. These attributes are migration distance and collapse degree for the ecological dimension; entry and employment restrictions for the economic dimension; new arrivals and family participation for the social dimension; use of FAD's and pre-sale processing for the technology dimension; Illegal Fishing for legal and institutional dimensions.
Study of the Diversity of Coral Reef Types and Conditions on Tidore Island, Tidore City Archipelago Umanahu, Zulkarnain Riswan; Wahidin, Nurhalis; Ahmad, Adityawan
Agrikan Jurnal Agribisnis Perikanan Vol 16 No 2 (2023): Agrikan: Jurnal Agribisnis Perikanan
Publisher : Fakultas Pertanian, Universitas Muhammadiyah Maluku Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52046/agrikan.v16i2.1888

Abstract

This study aims to determine the species diversity and condition of coral reefs on Tidore Island, Tidore Islands City. This research was conducted for two months from March to April 2023. The data collection method used was Underwater Photo Transect (UPT) conducted at five observation stations with a transect length of 20 meters. The results of research at 5 observation stations showed the value of coral reef species diversity in Tidore Island ranged from 0.33 - 1.54. The diversity category is classified as low and moderate, the diversity of coral species with moderate categories is found at station 4 with the number of species found as many as 40 species and the lowest coral species diversity at station 2 with the number of coral species is 13 species. The percentage of coral reef cover on Tidore Island ranged from 18.25 - 58.76% with poor to good categories. Coral reef cover with poor category is found in station 1 and good category is found in station 2, 3, 4 and 5.
Evaluation Feasibility of the Yellowfin Tuna Hand Line Fishery Business in Jambula District, Ternate City Saifullah, Dadang; Irham, Irham; Muksin, Darmiyati; Karman, Amirul; Wahidin, Nurhalis; Ahmad, Adityawan; Aris, Muhammad
Agrikan Jurnal Agribisnis Perikanan Vol 17 No 1 (2024): Agrikan: Jurnal Agribisnis Perikanan
Publisher : Fakultas Pertanian, Universitas Muhammadiyah Maluku Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52046/agrikan.v17i1.2034

Abstract

The yellowfin tuna hand line fishing business in Jambula Village, Ternate City is an activity that aims to exploit yellowfin tuna fish resources with the aim of obtaining continuous profits, therefore it is necessary to carry out scientific studies related to evaluating the feasibility of the yellowfin tuna long-line fishing business in Jambula City Village. Ternate. The aim of this research is to analyze the feasibility of the yellowfin tuna hand-line fishing business in Jambula Village, Ternate City. The research was carried out in Jambula Village, Ternate City from June to November 2003. The research method used was a survey method. Data on investment costs, fixed and variable operations, fish prices, and the average number of catches per trip were obtained through interviews with owners of yellowfin tuna hand-line fishing businesses because generally the fishermen who catch them are the business owners. Considering that the number of yellowfin tuna hand-line fishermen in Jambula Subdistrict is 30, a sample of 6 (20%) fishermen respondents was taken as a representative of yellowfin tuna hand-line fishermen in that sub-district.The results of the research show that the yellowfin tuna ulura fishing business in Jambula Village, Ternate City is worth continuing and developing, with the resulting economic feasibility indicator being an average profit of IDR. 45,208,333.33/year, average net present value Rp. 254,476,531.14, average value of net benefit cost ratio 3.83, average value of internal rate of return 77.83%, average value of break event point Rp. 205,899,999.94, and the average payback period value is 1.66 years.
Bionomic Analysis of Skipjack Fish Landed at Ternate Archipelago Fishing Port Gay, Rohana; Rumagia, Faizal; Ahmad, Adityawan
Agrikan Jurnal Agribisnis Perikanan Vol 17 No 1 (2024): Agrikan: Jurnal Agribisnis Perikanan
Publisher : Fakultas Pertanian, Universitas Muhammadiyah Maluku Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52046/agrikan.v17i1.2092

Abstract

Skipjack tuna (Katsuwanus pelamis) is one of the important economically fish that landed in Ternate Archipelago Fishing Port (PPN Ternate). The management production of the skipjack tuna that landed in this fishing port become important to manage the fishing activity for this species. This research aims to examine the condition of management and utilization of skipjack tuna that landed in Ternate Archipelago Fishing Port (PPN Ternate) using the bionomic approach. The data were analysis using the bionomic formula within Clarke Yoshimoto Pooley (CYP) model for the biological parameter (r, K, q). The result showed that, the Skipjack tuna fisheries that landed in PPN Ternate has an MSY value of 1.874.382,57 kg per year with an effort of 132 trips per year, while the MEY value was 1.872.946,43 kg per year with an effort of 128 trips per year. The Total Revenue (TR) that earn in the MSY position was IDR. 30.927.312.375 within the Total Cost (TC) was IDR. 1.712.144.935.