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All Journal International Journal of Marine Engineering Innovation and Research Marine Kreatif Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan Depik Jurnal Ilmu-Ilmu Perairan, Pesisir, dan Perikanan
Imanullah Imanullah
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Agriculture, Biological Sciences & Forestry Automotive Engineering Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Transportation

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PELATIHAN PENGGUNAAN TEKNOLOGI GLOBAL POSITIONING SYSTEM (GPS) SEBAGAI ALAT BANTU OPERASI PENANGKAPAN IKAN BAGI GENERASI MILLENNIAL ACEH Imamshadiqin Imamshadiqin; Syahrial syahrial; Erniati erniati; 'Akla akla; Erlangga erlangga; Imanullah imanullah; Yudho andika; Muliari muliari; Arina ruzanna; Salmarika salmarika; Irmayunita irmayunita; Wilman shobara
Marine Kreatif Vol 6, No 2 (2022): Marine Kreatif
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jmk.v6i2.6812

Abstract

Training on the use of GPS technology as a fishing operation tool for Aceh's millennial generation was carried out on June 21 – 27, 2021 at the Unimal Campus Reuleut, North Aceh Regency and the Indian Ocean. This training aims to educate and improve the skills of the millennial generation of Aceh Province to take advantage of the use of GPS to help detecting the presence of fish in the ocean. The training was delivered using a community development approach that included lectures and focus group discussions (FGD), as well as theory and field practice. The training was well-structured, smooth, and successful, involving the Acehnese millennial generation aged 20-25 years, with the training divided into four stages planning, preparation, implementation, and monitoring and evaluation. The material provided in the theory class includes knowledge and developments in the use of GPS globally, whereas the practical class involves the operation of GPS directly on the ship. The monitoring and evaluation results revealed that participants benefited greatly from using GPS catching tools in detecting the presence of fish, allowing them to increase catches and easily locate fishing grounds.
Coffee Grounds and Coconut Husk in Layered Filter Treatment for Efficiency Removal and Degradation Capacity of Pollution Parameters in North Aceh Waters Cut Meurah Nurul 'Akla; Arina Ruzanna; Anis Nugrahawati; Rahma Fitria; Rian Firdaus; Imanullah Imanullah; Aldo Dermawan; Afif Tri Putra; Andi Saputra Simanjuntak; Ichsan Kamil Mandhay
International Journal of Marine Engineering Innovation and Research Vol 8, No 4 (2023)
Publisher : Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v8i4.19528

Abstract

Polluted estuaries can result in oxygen depletion, accumulation of toxic substances and heavy metals, and become a source of pathogens that are threaten for cultivated aquatic biota and coastal tourists. This research aims to analyze 1) pollution index; 2) status of water pollution in Bangka Jaya and Tanoh Anoe Regencies; and 3) testing the level of effectiveness of Layered Filtered Treatment (LFT) using analysis of removal efficiency and degradation capacity on water quality. LTF is a filtration media that composed of coconut husk, membrane and coffee grounds made into briquettes, LFT used to filter polluted estuary waters. The pollution parameters analyzed at Bangka Jaya were nitrate, phosphate, Escherichia coli bacteria and ammonia, while the pollution parameters at Tanoh Anoe were heavy metals Pb and Cd. The research results showed that the pollution status of Bangka Jaya estuary (A1) and Bangka Jaya coastal waters (A2) are moderately polluted, with indices at stations A1, A2 and A3 respectively is 9.19; 8.42; and 8.42. Meanwhile, the water pollution status in Tanoh Anoe estuary are heavily polluted (station B1) and moderately polluted (station B2) with the pollution index at each station being 14.07 and 9.36. The conclusion of this research is that LFT has not been proven capable of removing and degrading the pollutant parameters nitrate, phosphate, E.coli bacteria and ammonia, however the LFT method has been proven capable of increasing dissolved oxygen, stabilizing sea acid, temperature and also water salinity. LFT has also been proven to be able to prevent ocean acidification with a degradation capacity percentage of 6.60%.
Model of nitrogen-phosphorus ratio and phytoplankton relationship in lake Laut Tawar, Indonesia Saiful Adhar; Munawwar Khalil; Erlangga Erlangga; Muliani Muliani; Rachmawati Rusydi; Mainisa Mainisa; Imanullah Imanullah; Yudho Andika
Depik Vol 12, No 3 (2023): DECEMBER 2023
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.12.3.33935

Abstract

Phytoplankton blooms in the lake cause ecological, economic, health, energy, and aesthetic losses. It reduces water quality and biota diversity, creates toxins in the waters, and changes the structures and functions of the ecosystem. The essential nutrients for the growth of phytoplankton are nitrogen and phosphorus. Controlling phytoplankton growth can be managed by controlling the limiting nutrient input. This study aims to identify the limiting nutrient, analyze variations in TN:TP ratio spatially and temporally, and model TN:TP ratio and chlorophyll-a relationship. This study used secondary data from previous studies, namely TN, TP, and chlorophyll-a observed monthly in seven stations purposively during a year. Rainfall data was also obtained from the previous study. Limiting nutrients were determined by Redfield theory, and data were analyzed by Spearman correlation, One-way ANOVA, Kruskal-Wallis, and regression analysis. The results showed phosphorus was a limiting nutrient for phytoplankton growth in Lake Laut Tawar. TN:TP ratio and chlorophyll-a did not vary spatially, indicating the lake surface waters were evenly mixed. The parameters varied temporally, expressing the influence of hydroclimatological factors, especially rainfall. Rainfall increases nutrient input to the lake, but only rain below 200 mm/month causes an increase in the concentration of nutrients in the lake. The rainfall above 200 mm/month increases lake water volume significantly, thereby reducing nutrient concentrations. TN:TP ratio and chlorophyll-a related negatively and formed a non-linear relationship with an empirical model Chlorophyll-a = 2770.285 (TN/TP)-1.871. Eutrophication of Lake Laut Tawar should be anticipated by controlling the anthropogenic phosphorus input.Keywords:AnthropogenicChlorophyll-aEutrophication,Limiting nutrientRainfall
Model of nitrogen-phosphorus ratio and phytoplankton relationship in lake Laut Tawar, Indonesia Saiful Adhar; Munawwar Khalil; Erlangga Erlangga; Muliani Muliani; Rachmawati Rusydi; Mainisa Mainisa; Imanullah Imanullah; Yudho Andika
Depik Vol 12, No 3 (2023): DECEMBER 2023
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.12.3.33935

Abstract

Phytoplankton blooms in the lake cause ecological, economic, health, energy, and aesthetic losses. It reduces water quality and biota diversity, creates toxins in the waters, and changes the structures and functions of the ecosystem. The essential nutrients for the growth of phytoplankton are nitrogen and phosphorus. Controlling phytoplankton growth can be managed by controlling the limiting nutrient input. This study aims to identify the limiting nutrient, analyze variations in TN:TP ratio spatially and temporally, and model TN:TP ratio and chlorophyll-a relationship. This study used secondary data from previous studies, namely TN, TP, and chlorophyll-a observed monthly in seven stations purposively during a year. Rainfall data was also obtained from the previous study. Limiting nutrients were determined by Redfield theory, and data were analyzed by Spearman correlation, One-way ANOVA, Kruskal-Wallis, and regression analysis. The results showed phosphorus was a limiting nutrient for phytoplankton growth in Lake Laut Tawar. TN:TP ratio and chlorophyll-a did not vary spatially, indicating the lake surface waters were evenly mixed. The parameters varied temporally, expressing the influence of hydroclimatological factors, especially rainfall. Rainfall increases nutrient input to the lake, but only rain below 200 mm/month causes an increase in the concentration of nutrients in the lake. The rainfall above 200 mm/month increases lake water volume significantly, thereby reducing nutrient concentrations. TN:TP ratio and chlorophyll-a related negatively and formed a non-linear relationship with an empirical model Chlorophyll-a = 2770.285 (TN/TP)-1.871. Eutrophication of Lake Laut Tawar should be anticipated by controlling the anthropogenic phosphorus input.Keywords:AnthropogenicChlorophyll-aEutrophication,Limiting nutrientRainfall
Co-Authors 'Akla akla Afif Tri Putra Aldo Dermawan Andi Saputra Simanjuntak Anis Nugrahawati Arina Ruzanna Cut Meurah Nurul ‘Akla Erlangga Erlangga Erniati Erniati Ichsan Kamil Mandhay Imamshadiqin, Imamshadiqin Irmayunita irmayunita Mainisa Mainisa Muliani Muliani Muliari Muliari Munawwar Khalil, Munawwar Rachmawati Rusydi Rahma Fitria Rian Firdaus Saiful Adhar Syahrial Syahrial Syamsiar, Syamsiar Wilman shobara Yudho Andika