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All Journal Jurnal Ilmu dan Teknologi Kelautan Tropis Marine Kreatif
Yudho Andika
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Library & Information Science

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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.
Pengaruh Perbedaan pH Perairan terhadap Laju Pertumbuhan Lamun Jenis Cymodocea rotundata Yudho Andika; Mujizat Kawaroe; Hefni Effendi; Neviaty Putri Zamani; Erniati; Erlangga; Saiful Adhar; Imanullah; Imamshadiqin; Cut Meurah Nurul 'Akla; Ayub Sugara; Bq Tri Khairani Ilhami
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 15 No. 1 (2023): Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jitkt.v15i1.43331

Abstract

Penggunaan bahan bakar fosil yang terus berlangsung akan meningkatkan konsentrasi karbondioksida (CO2) di atmosfer. Asidifikasi laut terjadi akibat CO2 yang berada di atmosfer berdifusi ke lautan. Lautan mampu menyerap CO2 di atmosfer sebanyak 35 % lebih yang menyebabkan terjadinya penurunan pH laut. Lamun Cymodocea rotundata merupakan salah satu jenis lamun yang banyak ditemukan tumbuh di perairan tropis. Keadaan ini menimbulkan kekhawatiran tentang kemungkinan terjadinya dampak pada pertumbuhan lamun C. rotundata. Penelitian ini bertujuan untuk menganalisis kandungan nitrat, fosfat dan kalium dan pertumbuhan lamun C. rotundata yang meliputi pertumbuhan daun, rhizoma, dan akar C. rotundata terhadap perbedaan pH. Penelitian menggunakan metode eksperimen dengan rancangan acak lengkap menggunakan tabel acak. Sebanycak 15 toples dengan ukuran diameter 20 cm dan tinggi 25 cm digunakan dengan 3 perlakuan, masing-masing perlakuan 5 kali pengulangan. Hasil uji regresi linier menunjukkan pH berpengaruh terhadap konsentrasi nitrat, dan berpengaruh kuat terhadap konsentrasi fosfat dan kalium. Laju pertumbuhan daun lamun C. rotundata tertinggi pada kontrol berkisar antara 0,50–1,29 mm/hari sedangkan yang terendah pada pH rendah berikisar 0,07–0,73 mm/hari. Laju pertumbuhan rizhoma lamun secara horizontal dan vertikal tertinggi pada pH rendah sedangkan yang terendah pada pH kontrol. Laju pertumbuhan akar lamun tertinggi pada pH rendah berkisar antara 0,20–0,90 mm/hari. sedangkan yang terendah pada kontrol berkisar antara 0,13–0,43 mm/hari. pH juga memengaruhi laju pertumbuhan daun, rhizoma dan akar lamun C. rotundata. Semakin rendah pH maka laju pertumbuhan daun juga semakin rendah, berbeda dengan rhizoma dan akar semakin rendah pH maka semakin tinggi laju pertumbuhan.
Sedimentation Rate Analysis in Public Port, Lhokseumawe City Yudho Andika; Erniati; Imanullah; Hafli, T. Mudi; Hasibuan, Rani Adinda Melani; Harahap, Usnia Puada; Febriza, Fira; Putra, M. Afif Tri; Syakura, Abdan
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 17 No. 1 (2025): Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jitkt.v17i1.58724

Abstract

Sedimentation is the process of deposition of material from rocks that is transported by the movement of water and wind. Sedimentation that takes place continuously causes siltation in water areas. If shallowing occurs in the port area, it will have an impact on the decline in port functions and even threaten the security of sea transportation routes. The purpose of this study was to analyze the rate of sedimentation in the General Port of Lhokseumawe City which includes sediment characteristics and oceanographic parameters that affect the sedimentation process. This study used a survey method with purposive sampling at 4 observation stations for 7 days. The highest sedimentation rate was found at Station 4 which was 6,22 mg/cm2/day and the lowest at Station 2 which was 3,65 mg/cm2/day. The dominant sediment grain size in the General Port of Lhokseumawe City is very fine sand type with a value of 38,04%. PCA analysis of very fine sand type sediments deposited the most. The highest current velocity at station 2 with a value of 0.10 m/s while the highest tide on the first day was 320 cm in height. The current speed has an inversely correlation to the sedimentation rate with a value of 81,52%.
Co-Authors 'Akla akla Abdan Syakura Arina Ruzanna Ayub Sugara Bq Tri Khairani Ilhami Cut Meurah Nurul ‘Akla Erlangga Erlangga Erlangga Erniati Erniati Erniati Febriza, Fira Harahap, Usnia Puada Hasibuan, Rani Adinda Melani Hefni Effendi Imamshadiqin, Imamshadiqin Imanullah Imanullah Imanullah Irmayunita irmayunita MUJIZAT KAWAROE Muliari Muliari NEVIATY PUTRI ZAMANI Putra, M. Afif Tri Saiful Adhar Salmarika, Salmarika Syahrial Syahrial Teuku Mudi Hafli Wilman shobara