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All Journal Marine Fisheries: Jurnal Teknologi dan Manajemen Perikanan Laut Jurnal Vokasi
Miswar, Edi
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Economics, Econometrics & Finance Education Engineering Environmental Science Social Sciences

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APLIKASI ALAT PENDETEKSI KADAR AMONIA DAN PH AIR UNTUK PENINGKATAN PRODUKTIVITAS BUDIDAYA UDANG BERBASIS RAMAH LINGKUNGAN PADA PETANI TAMBAK DESA DEAH PANGWA, KABUPATEN PIDIE JAYA Multazam, Teuku; Bintoro, Andik; Miswar, Edi
Jurnal Vokasi Vol 7, No 3 (2023): November
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/vokasi.v7i3.4502

Abstract

Saat ini, sebagian besar masyarakat di Desa Deah Pangwa, Kabupaten PideJaya memiliki tambak yang dijadikan sebagai tempat usaha usaha budidayaudang untuk mata pencaharian utama mereka. Kegiatan ini masih dilakukansecara individual dan teknologinya masih tradisional sehingga keberadaanpembudidaya udang bergerak secara tidak menentu dan mengalami pasangsurut. Selama ini budidaya udang mengalami kerugian karena hasil panenmilik mereka menurun signifikan, hal ini dipengaruhi karena airterkontaminasi oleh zat ammonia dan keasaman air (pH) yang berlebihsehingg memunculkan penyakit pada udang berupa yaitu munculnya bintik -bintik putih. Penyakit tersebut lazimnya menyerang udang pada usia 7 hingga30 hari setelah bibit ditaburkan ke dalam tambak. Oleh karena itu, dalammengantisipasi permasalahan tersebut maka diusulkan suatu implemntasiberupa aplikasi alat pendekteksi kadar ammonia dan PH air pada tambakbudidaya udang yang ramah lingkungan untuk mendeteksi kadar zat tersebut.Alat ini untuk memudahkan dan membantu anggota kelompok tani tambakbeumakmu dalam memantau dan monitoring kadar ammonia dan pH Air padatambak secara berkala tanpa ketergantungan. Metode yang digunakan dalampengabdian ini yaitu studi lapangan, implementasi, pelatihan dan penyuluhan,dan evaluasi. Hasil kegiatan ini yaitu, tersedia alat pendeteksi kadar ammoniakdan pH air tambak untuk mitra dalam mendapatkan informasi secara cepattentang tentang kualitas air sehingga dapat dilakukan upaya preventif dalammelakukan langkah mitigasi penyakit, serta meminimalisasi resiko kerugianyang lebih besar.
EFFICIENCY OF HANDLINE TUNA FISHERMEN'S WORKING TIME USING THE PERT APPROACH Irawan, Andi; Mardiah, Ratu Sari; Yusrizal; Leilani, Ani; Nugraha, Erick; Febriyanto, Fredi; Miswar, Edi
Marine Fisheries : Journal of Marine Fisheries Technology and Management Vol. 16 No. 2 (2025): Marine Fisheries: Journal of Marine Fisheries Technology and Management
Publisher : Bogor Agricultural University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/w0682r97

Abstract

Handline tuna fishing constitutes one of the key economic activities in coastal areas, particularly for small-scale fishermen. Efficient working time plays a vital role in improving fishermen’s productivity and income. However, in practice, tuna fishing operations frequently encounter inefficiencies in both planning and the execution of daily tasks. Therefore, an analytical method is required to identify and evaluate each stage of the work process systematically. The Program Evaluation and Review Technique (PERT) provide a structured approach to mapping work activities, estimating the time required for each task, and identifying the critical path that determines the total project duration. This study aims to evaluate the efficiency of working time utilization among tuna fishermen using handline gear by applying the PERT approach. The research was conducted on 163 fishing vessels using the PERT (Project Evaluation and Review Technique) method, focusing on the analysis of actual time allocation for each activity. The results indicate that of the 24 analyzed activities, 17 (70.83%) fall within the critical path, while 7 (29.17%) have slack time. Critical activities such as loading supplies, traveling to the fishing ground, and retrieving the parachute anchor determine the project’s minimum duration. Meanwhile, activities with slack time, such as preparing the parachute anchor and mooring the vessel to the fish aggregating device (FAD), can be performed flexibly without affecting the overall project timeline. Effective time management is essential to ensure that each operational phase is completed on schedule, thereby improving the efficiency and productivity of fishing operations. Keywords:   critical path, handline, PERT, tuna.
Co-Authors Andi Irawan Andik Bintoro Ani Leilani Erick Nugraha Febriyanto, Fredi Mardiah, Ratu Sari Teuku Multazam Yusrizal