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Program Pengabdian Masyarakat: Edukasi Keselamatan Kerja dan Diversifikasi Produk Ikan di Industri Rumahan Desa Pesisir, Situbondo: Improving Occupational Safety and Health for Coastal Villagers in the Bahari Beach Region, Situbondo Wahyuni, Sylvia Dwi; Nimah, Lailatun; Ajija, Shochrul Rohmatul; Sari, Luthfiana Aprilianita
PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat Vol. 9 No. 12 (2024): PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat
Publisher : Institute for Research and Community Services Universitas Muhammadiyah Palangkaraya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33084/pengabdianmu.v9i12.8241

Abstract

80% of the population of Situbondo Regency Coastal Village work as fishermen. Fluctuating fishing results cause businesses to be processed so that they can be stored to fill the void of fishing results and improve the community's economy. The potential processed fish products at Bahari Beach are processed into fish crackers by several micro business groups consisting of residents, but unfortunately, the process of making crackers in all micro business centers still does not meet the principles of good occupational safety and health and does not wear Personal Protection Equipment (PPE) when producing. This research aims to improve knowledge related to occupational safety and health in all groups of micro-business centers in the Pesisir Village area. The training method includes coordination with target partners, preparing the needs of tools and materials during the program, and preparing learning modules that will be used as a reference in program implementation. The work stage is filled with materials and demonstrations. Finally, the evaluation stage. The training participants consisted of 35 people consisting of residents of the Coastal Village of Besuki District, Situbondo Regency. The results showed that there was an increase in the results of the questionnaire from the pre-test and post-test after the training was given. Where the results of the training participants were very enthusiastic and able to practice making rengginang and shredded fish by the principles of occupational safety and health.
Growth of Nannochloropsis oculata Cultured using Tofu Liquid Waste Fertilizer Rahmadan, Rizky Yanuar; Satyantini, Woro Hastuti; Sari, Luthfiana Aprilianita
International Journal of Natural Science Studies and Development (IJOSS) Vol. 2 No. 1 (2025): IJOSS
Publisher : PT Inovasi Pratama Internasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55299/ijoss.v2i1.18

Abstract

Growth of Nannochloropsis oculata is affected by nutrients in its culture media. Tofu liquid waste which is processed into fertilizer is expected to be an alternative nutrient that is more economical for microalgae culture activities. The purpose of this study was to determine the effect of tofu liquid waste fertilizer with different concentrations on the growth of Nannochloropsis oculata. This study used an experimental method with Completely Randomized Design (CRD). The treatment was different concentrations namely P1 (1 ml L-1), P2 (3 ml L-1), P3 (5 ml L-1), P4 (7 ml L-1) and P0 (Walne nutrient 1 ml L-1) each treatment were repeated four times. The main parameters in this study were cell density, cell growth rate and cell doubling time. Data obtained were analyzed using Analysis of Variance (ANOVA) and continued with Duncan's Multiple Range Test (DMRT). Results showed that the treatment of tofu liquid waste fertilizer with different concentrations had a significant different (p<0,05) on the growth of Nannochloropsis oculata. Concentration of 5 ml L-1 (P3) was the best concentration for the growth of Nannochloropsis oculata with peak cell density 1,335±13.54x104 cells ml-1, cell growth rate 0.900±0.001 cells ml-1 day-1 and cell doubling time 18.493±0.026 hours.