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All Journal Acta Aquatica: Aquatic Sciences Journal Jurnal Akuakultur Sungai dan Danau Jurnal Pengabdian Magister Pendidikan IPA Journal La Lifesci
Carda, Muhammad Aldair Mukstofa
Department Of Fisheries, Faculty Of Agriculture, University Of Palangka Raya, Palangka Raya 73112, Central Kalimantan, Indonesia
Agriculture, Biological Sciences & Forestry Chemistry Earth & Planetary Sciences Education Environmental Science Immunology & microbiology Materials Science & Nanotechnology Other

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Feasibility of Skipjack Katsuwonus Pelamis Fishing Unit Business in the Flores Sea Carda, Muhammad Aldair Mukstofa; Sugianto, Nur Islah; Nursanti, Nursanti
Journal La Lifesci Vol. 6 No. 1 (2025): Journal La Lifesci
Publisher : Newinera Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37899/journallalifesci.v6i1.2009

Abstract

The present research determines the financial practicality of skipjack tuna (Katsuwonus pelamis) fishing unit establishments located in the Flores Sea portion of South Sulawesi. A survey-based research project took place between September and December 2024 to obtain data from Bulukumba and the Selayar Islands regencies through random sampling procedures. The research relied on interview sessions together with questionnaires and observations as well as literature review for data collection. The financial assessment performed a cost breakdown followed by income evaluation using NPV with IRR and Net B/C and PP calculations. The skipjack tuna fishing businesses employing purse seine gear in the Flores Sea operate at a profitable level. Financial analysis demonstrates profitability and sustainability potential because the regencies achieved positive NPV and IRR exceeding interest rates together with Net B/C Ratio values higher than one and PP that lasts for less than three years. The research results validate ongoing support for the skipjack tuna fishing industry throughout the region.
Pemanfaatan Minyak Cengkeh (Syzygium aromaticum) sebagai Biosedatif Alami untuk Meningkatkan Kelangsungan Hidup Benih Patin Siam (Pangasius hypophthalmus) selama Transportasi Sistem Tertutup Rozik, Mohamad; Matling, Matling; Mukstofa Carda, Muhammad Aldair; Ladio, Andre; Maryani, Maryani
Jurnal Akuakultur Sungai dan Danau Vol 10, No 2 (2025): Oktober
Publisher : Universitas Batangahari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/akuakultur.v10i2.292

Abstract

This study aimed to evaluate the effectiveness of clove oil (Syzygium aromaticum) as a natural anesthetic for closed-system transportation of striped catfish fry (Pangasius hypophthalmus). Three clove oil doses (4, 5, and 6 mL per container) were tested for induction time, anesthesia duration, and fish survival rate during eight hours of transportation. The results showed that the 5 mL dose was optimal, with an induction time of 0.38 ± 0.05 minutes, anesthesia duration of 120 ± 3.6 minutes, and a survival rate of 70%. The 4 mL dose produced the highest survival rate (83.3%) but showed less stable anesthetic effects, while the 6 mL dose reduced survival due to eugenol toxicity. Water quality parameters (temperature 28.8–30.7°C; pH 6.7–7.2; DO 6.2–7.3 mg/L) remained within optimal ranges. Therefore, clove oil is effective as a natural anesthetic to reduce stress and maintain the survival of striped catfish fry during closed-system transportation
Pemberdayaan Agropreneur Muda Melalui Pelatihan Budidaya Ikan Lele Kolam Mini Di SMP Sumbarrang Kabupaten Gowa Muhammad Aldair Mukstofa Carda; Zakiah; Mustaqiim Pangestu; Syahnan Aly Lubis; Nur Islah Sugianto
Jurnal Pengabdian Magister Pendidikan IPA Vol 9 No 1 (2026): Januari - Maret 2026
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpmpi.v9i1.13584

Abstract

This community service program was conducted to enhance the entrepreneurial capacity of junior high school students by strengthening their technical literacy in catfish aquaculture, a fisheries commodity with substantial economic value. The activity was implemented from 3–7 November 2025 at SMP Sumbarrang, Gowa Regency, and was delivered in a theoretical format due to limited facilities for practical aquaculture activities. The training materials covered the concept of youth agropreneurship, household-scale catfish farming techniques, feed management, community-based marketing strategies within the school environment, business feasibility analysis, and the development of entrepreneurial action plans. The methods employed included interactive lectures, group discussions, business plan simulations, and pre–post test evaluations. The results indicated a significant improvement in students’ technical literacy, reflected by a 49–50% increase in understanding related to farming techniques, feed management, and market opportunities. Entrepreneurial motivation also increased among 78% of participants, demonstrated by greater willingness to express business ideas and heightened awareness of their family’s economic potential. Support from schools and parents was identified as a key factor strengthening the sustainability of the program. Overall, this activity produced a replicable empowerment model for cultivating young agropreneurs in rural school settings, contributing to local economic development through the fisheries sector.
Microplastic abundance and characteristics in the Kahayan River Downstream Area: Implications for the food safety of processed fish products Zakiah; Muhammad Aldair Mukstofa Carda; Syahnan Aly Lubis
Acta Aquatica: Aquatic Sciences Journal Acta Aquatica, Vol. 13: No. 1 (April, 2026)
Publisher : Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/aa.v13i1.25089

Abstract

The increasing anthropogenic activities along the Kahayan River contribute to the discharge of plastic waste into aquatic environments, leading to microplastic accumulation that contaminates river ecosystems. This study aims to analyze the abundance and characteristics of microplastics in water, sediment, and fish from the downstream area of the Kahayan River, Central Kalimantan, and to evaluate their implications for the food safety of fish-based products. Sampling was conducted at four stations within the downstream area from March to May. Water, sediment, and fish samples were processed using the wet peroxide oxidation (WPO) method, and microplastics were identified microscopically. The results revealed that microplastics were present at all sampling stations with average abundances of 3.22 particles/L in water, 7.58 particles/kg-dw in sediment, and 2.12 particles/individual in fish. No significant differences were found among stations, indicating that contamination has become widespread throughout the downstream area. Fibers were the dominant type, followed by fragments, foams, and granules, with most particles measuring <300 µm and mainly white/transparent, blue, and black/gray. These patterns suggest that microplastic sources primarily originate from domestic activities, fisheries, and insufficient waste management. The presence of microplastics in edible fish indicates potential transfer through the aquatic food chain, posing a risk to food safety and public health. Therefore, integrated mitigation measures are urgently needed, including monitoring of fish quality, setting microplastic contamination limits in food products, and strengthening plastic waste management policies to ensure the sustainability of fishery resources and public health in Central Kalimantan. Keywords: Fish; Food Safety; Microplastics; Kahayan River
Microplastic composition in water, sediment, and fish in the Middle Section of the Kahayan River: Implications for the sustainability of floating net cage aquaculture Muhammad Aldair Mukstofa Carda; Zakiah; Syahnan Aly Lubis
Acta Aquatica: Aquatic Sciences Journal Acta Aquatica, Vol. 13: No. 1 (April, 2026)
Publisher : Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/aa.v13i1.25090

Abstract

Microplastics are emerging pollutants widely detected in freshwater ecosystems, including rivers that act as major pathways for plastic waste transport to the ocean. This study aimed to analyze the abundance and characteristics of microplastics in water, sediment, and fish from the middle section of the Kahayan River and to assess their implications for the sustainability of floating net cage aquaculture. Sampling was conducted at five stations representing different levels of anthropogenic activity. Water, sediment, and fish samples were processed using the wet peroxide oxidation (WPO) and NaCl density separation methods, followed by microscopic identification. The results revealed that microplastics were widely distributed across all environmental compartments, with mean abundances of 3,14 particles/L in water, 7,31 particles/kg-dw in sediment, and 3,63 particles/individual in fish. The highest concentrations were found in stations with intensive aquaculture, dense settlements, and active trading areas. The dominant types were fibers and fragments, mainly white, blue, and black/gray in color. Particles <300 µm predominated in water and fish, whereas those >1000 µm were more abundant in sediment. These findings indicate the transfer of microplastics from abiotic to biotic components, suggesting potential bioaccumulation within the aquatic food chain. The presence of microplastics in aquaculture environments may degrade water and fish quality, posing threats to aquaculture sustainability and food safety for local communities along the Kahayan River. Keywords: Fish; Floating net cage; Kahayan River; Microplastics
Co-Authors Ladio, Andre Maryani Maryani Matling, Matling Mohamad Rozik Mustaqiim Pangestu Nur Islah Sugianto Nursanti Nursanti Sugianto, Nur Islah Syahnan Aly Lubis Zakiah Zakiah Zakiah