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All Journal JFMR (Journal of Fisheries and Marine Research) Jurnal Pengelolaan Perikanan Tropis (Journal Of Tropical Fisheries Management) Aquasains : Jurnal Ilmu Perikanan dan Sumberdaya Perairan
Kurniawan B, Agus
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Earth & Planetary Sciences Engineering Environmental Science Other

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IDENTIFIKASI LARVA IKAN PADA DAERAH MANGROVE DI KABUPATEN WAJO, SULAWESI SELATAN Kurniawan B, Agus; Asriani, Asriani; Jufri, Ady
JFMR (Journal of Fisheries and Marine Research) Vol. 5 No. 1 (2021): JFMR
Publisher : Faculty of Fisheries and Marine Science, Brawijaya University, Malang, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jfmr.2021.005.01.23

Abstract

Larva ikan merupakan salah satu faktor utama dalam menentukan kelestarian sumberdaya hayati perikanan tawar dan perikanan laut. Stadia larva merupakan stadia yang penting bagi perkembangan, khususnya ikan. Penelitian ini bertujuan untuk mengetahui jenis famili larva ikan, distribusi, kelimpahan, keseragaman, keanekaragaman dan dominansi larva ikan di ekosistem mangrove. Penelitian ini terdiri atas 3 perlakuan dengan masing-masing 3 ulangan. Ketiga jenis perlakuan tersebut adalah perbedaan umur mangrove yaitu: A. Stasiun I (umur mangrove >10 tahun), B. Stasiun II (umur mangrove 7 tahun), dan C. Stasiun III (umur mangrove 3 tahun). Hasil penelitian menunjukkan bahwa larva ikan yang tertangkap selama penelitian sebanyak 1.288 individu yang terdiri dari terdiri dari 7 famil yaitu Adrianichthyidae, Carangidae, Clupeidae, Engraulidae, Gerreidae, Gobiidae, dan Megalopidae. Larva ikan yang tertangkap memiliki sebaran yang berbeda-beda pada lokasi penelitian. Famili Gerreidae dan Gobiidae memiliki sebaran yang cukup luas, dimana dapat ditemukan di seluruh wilayah. Hasil analisis Indeks Keanekaragaman (H’), Indeks Keseragaman (e), dan Indeks Dominansi (D) larva ikan menunjukkan nilai yang berfluktuatif. Pada setiap wilayah nilai indeks keanekaragaman dari hasil analisis setiap wilayah menunjukkan keanekaragaman populasi yang rendah.
BIOMASS PRODUCTION, GROWTH RATE, AND CARRAGEENAN CONTENT OF Kappaphycus alvarezii PERFORMED BY VERTICULTURE METHOD WITH DIFFERENT INITIAL WEIGHT Kurniawan B, Agus; Asriani, Asriani; Hamka, Muhammad Subhan
AQUASAINS Vol. 12 No. 1 (2023)
Publisher : Jurusan Perikanan dan Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/aqs.v12i1.p1355-1364

Abstract

Kappaphycus alvarezii seaweed is important for the processing industry because it contains carrageenan used as a stabilizer, thickener, material forming an emulsifier. This study aimed to find the best and optimal initial seed weight treatment for maximum biomass production, growth rate, and carrageenan content. The research location was in the waters of Aeng Batu-Batu Village, Takalar Regency, South Sulawesi in August-September 2022. The randomized block design method (RAK) consisted of 4 treatments each with 4 repetitions. Seaweed seedlings from spores were weight of 20 g, 40 g, 60 g, and 80 g planted at 60 cm depth respectively and maintained for 45 days. Data analysis used (ANOVA) and W-Tuckey to determine the differences between treatments. The result of the analysis of variences showed that the weight of 40 g, 60 g, and 80 g had an effect on the biomass production, growth rate, and K. alvarezii carrageenan content. However, the highest yield was obtained at a weight of 20 g which had a very significant effect (p<0.01).
A SUSTAINABLE MANAGEMENT STRATEGIES FOR SCALLOP (Amusium pleuronectes): ECOLOGICAL AND SOCIO-ECONOMIC PERSPECTIVES Kurniawan B, Agus
Jurnal Pengelolaan Perikanan Tropis (Journal of Tropical Fisheries Management) Vol 8 No 2 (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/vws51k46

Abstract

The sustainability of scallop (Amusium pleuronectes) populations in South Sulawesi faces critical challenges due to habitat degradation and overexploitation. This study assesses ecological, social, and economic dimensions of scallop fisheries across five coastal regions: Pangkep, Takalar, Barru, Sinjai, and Selayar. A total of 750 scallops were sampled, and data on shell size, habitat quality, and socio-economic reliance were collected. The findings reveal a strong correlation (r = 0.82, p < 0.05) between habitat quality and scallop size, with optimal conditions in Sinjai yielding the largest scallops (mean shell length = 11 cm). Economic analysis shows that scallops contribute up to 25% of household income in certain regions, but unsustainable harvesting practices persist due to limited community awareness. This research highlights the need for ecosystem-based management, including habitat restoration, harvesting regulations, and community engagement programs. By integrating ecological and socio-economic insights, the study provides actionable recommendations for balancing conservation and livelihoods, offering a model for sustainable marine resource management.
Co-Authors Ady Jufri Asriani Asriani, Asriani Muhammad Subhan Hamka