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All Journal Amanisal: Jurnal Teknologi dan Manajemen Perikanan Tangkap
Heru K. Alamsyah
Jurusan Pemanfaatan Sumberdaya Perikanan, Fakultas Perikanan dan Ilmu Kelautan Universitas Pancasakti Tegal, Kampus I Jl. Halmahera Km.1, Kota Tegal, Jawa Tengah, Indonesia
Chemical Engineering, Chemistry & Bioengineering Chemistry Economics, Econometrics & Finance Environmental Science Physics

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Variabilitas Klorofil-A Dan Suhu Permukaan Laut Berbasis Citra Satelit Himawari-8 Secara Spasial Dan Temporal Di Wilayah Perairan Utara Jawa Tengah Sharina Sharina; Kusnandar Kusnandar; Heru K. Alamsyah
Amanisal: Jurnal Teknologi dan Manajemen Perikanan Tangkap Vol 15 No 1 (2026): Amanisal: Jurnal Teknologi dan Manajemen Perikanan Tangkap
Publisher : Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/amanisal.v15i1.25410

Abstract

The waters off the northern coast of Central Java are part of Fisheries Management Area (FMA) 712, which is characterized by high levels of fishing activity and complex oceanographic dynamics. Variations in Sea Surface Temperature (SST) and chlorophyll-a play a crucial role in determining primary productivity and potential fishing grounds. This current study seeks to investigate the spatial and temporal variability of SST and Chlorophyll-a, along with investigating the correlation between both parameters using Himawari-8 satellite imagery. The research method employed is quantitative descriptive, utilizing secondary satellite imagery data from the 2023–2025 period. Data analysis is conducted thru digital image processing, which includes the stages of pixel value extraction, data cleaning from cloud cover, and the calculation of monthly average values to represent seasonal changes. The Spearman rho correlation statistical test is applied to determine the strength and direction of the relationship between SPL and chlorophyll-a over time. The results indicate that SST and Chlorophyll-a at the study site fluctuate following seasonal patterns. Spatially, chlorophyll-a concentrations tend to be higher in coastal areas than in offshore areas. Correlation analysis indicates a strong negative conection between SST and chlorophyll-a, with a correlation coefficient of -0.713, suggesting that an increase in sea surface temperature is typically followed by a decrease in chlorophyll-a concentrations in the waters off northern Central Java
Persepsi Nelayan Jaring Tarik Berkantong Terhadap Implementasi Logbook Penangkapan Ikan Di Pelabuhan Perikanan Kluwut Rizqi Isticharoh; Sri Mulyani; Heru K. Alamsyah
Amanisal: Jurnal Teknologi dan Manajemen Perikanan Tangkap Vol 15 No 1 (2026): Amanisal: Jurnal Teknologi dan Manajemen Perikanan Tangkap
Publisher : Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/amanisal.v15i1.25411

Abstract

The capture fisheries sector requires data-based management to support the sustainability of fishery resources. One of the efforts is the implementation of fishing logbooks as regulated in the Minister of Marine Affairs and Fisheries Regulation No. 33 of 2021. This study aims to analyze fishermen’s perception of the implementation of fishing logbooks among danish seine fishermen. The research was conducted from December 2025 to January 2026 at Kluwut Fishing Port, Brebes Regency. This study used a mixed method approach with data collection techniques including observation, interviews, and documentation. Data analysis was carried out using Likert scale, validity and reliability tests, and multiple linear regression with SPSS. The results showed that fishermen’s perception of logbook implementation was in the moderate category with a value of 51%. Regression analysis indicated that knowledge of logbook regulations, logbook filling procedures, and E-logbook usage significantly influenced knowledge of logbook benefits. The main constraints faced by fishermen include low technological literacy and limited use of digital devices and internet networks in supporting E-logbook implementation.
Co-Authors Kusnandar Kusnandar Rizqi Isticharoh Sharina Sharina Sri Mulyani