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Mauludiyah, Mauludiyah
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Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Energy Environmental Science Immunology & microbiology Materials Science & Nanotechnology Physics Social Sciences

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STUDY OF SHORELINE CHANGE OF TABUHAN ISLAND IN WONGSOREJO DISTRICT BANYUWANGI REGENCY USING GOOGLE EARTH IMAGE Rizqiyanto, Firdaus Achmad; Mauludiyah, Mauludiyah; Maisaroh, Dian Sari
Jurnal Segara Vol 19, No 2 (2024): August
Publisher : Politeknik Kelautan dan Perikanan Dumai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15578/segara.v19i2.11180

Abstract

The beach is an area that often experiences changes in shape that can occur quickly or slowly depending on those who influence it, both due to natural and artificial factors. Tabuhan Island is one of the islands that has the problem of shoreline changes. This study aims to determine the physical conditions of hydrooceanography and changes in the coastline of Tabuhan Island. Hydrooceanographic physical parameters include tides, currents, winds, waves and Total Suspended Solids (TSS). The study of changes in the coastline of Tabuhan Island uses the overlay method using Google Earth images in 2006, 2011, 2016 and 2021. The overlay method is a method of overlapping images from the old to the newest. The results show the waters of Tabuhan Island have a mixed tidal type with a double daily trend, the current speed ranges from 0.2760 m/s to 0.9023 m/s from north to south and the wind has a speed of 0-17 knots dominantly from south to north and southeast to northwest. The waves have a maximum height of 2.6 m and a minimum of 0.01 m and the highest Total Suspended Solid (TSS) value is 198.9 mg/L and a minimum of 110.3 mg/L. The results of the study show the area Tabuhan Island has reduced its area from 67,313.4 m² to 50,028 m²mwith an annual evenly of 850.9 m² in the period 2006 – 2021. The abrasion value that occurs is 22,423.3 m² happening in south and west and the accretion is 5,128.9 m² happening in the north Tabuhan Islands.
Correlation Analysis of Oceanographic Parameters to Catching of Purse Seine Nets in Kranji Waters, Paciran District, Lamongan Regency Elasari, Nova; Perdanawati, Rizqi Abdi; Mauludiyah, Mauludiyah
Jurnal Perikanan dan Kelautan Vol. 27 No. 3 (2022): October
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/

Abstract

Kranji waters have potential fishing grounds for the development of large marine fisheries. Kranji fishermen often face obstacles in their fishing efforts due to a lack of information about the season and potential fishing areas. The oceanographic factor of the waters can be one of the clues to determine a good catch. The purpose of this study was to determining the condition of the oceanographic parameters of the fishing area, determine the catch rate and determine the correlation of oceanographic parameters to the catch of ring trawlers. The data used in this study were temperature, salinity, depth, current velocity and catch for 10 fishing trips. Oceanographic parameters in the Kranji fishing area for 10 fishing trips were as follows: temperature ranged from 29.9- 31.8°C, water salinity ranged from 29-31.1‰, water depth ranges from 50-70 m and the current velocity ranges from 0.09 to 0.34 m/s. The variability of ring trawl production during 10 times of capture found 5 species caught. The variability and composition of purse seine catches were as follows: Tongkol Walang with a percentage of 54.42%, Tongkol Lorek with a percentage of 38.13%, belo with a percentage of 6.37%, juwi with a percentage of 0.53%, and the lowest. the percentage is bagong by 0.52%. The correlation of oceanographic parameters with purse seine catches is as follows: Current velocity has the highest correlation value with a correlation coefficient of 0.814. The temperature has a strong category value with a correlation coefficient of 0.756. Salinity has a negative correlation value with a value of -0.658. Depth has a strong category value with a correlation coefficient value of 0.657.
Correlation Analysis of Oceanographic Parameters to Catching of Purse Seine Nets in Kranji Waters, Paciran District, Lamongan Regency Elasari, Nova; Perdanawati, Rizqi Abdi; Mauludiyah, Mauludiyah
Jurnal Perikanan dan Kelautan Vol. 27 No. 3 (2022): October
Publisher : Fakultas Perikanan dan Kelautan Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/

Abstract

Kranji waters have potential fishing grounds for the development of large marine fisheries. Kranji fishermen often face obstacles in their fishing efforts due to a lack of information about the season and potential fishing areas. The oceanographic factor of the waters can be one of the clues to determine a good catch. The purpose of this study was to determining the condition of the oceanographic parameters of the fishing area, determine the catch rate and determine the correlation of oceanographic parameters to the catch of ring trawlers. The data used in this study were temperature, salinity, depth, current velocity and catch for 10 fishing trips. Oceanographic parameters in the Kranji fishing area for 10 fishing trips were as follows: temperature ranged from 29.9- 31.8°C, water salinity ranged from 29-31.1‰, water depth ranges from 50-70 m and the current velocity ranges from 0.09 to 0.34 m/s. The variability of ring trawl production during 10 times of capture found 5 species caught. The variability and composition of purse seine catches were as follows: Tongkol Walang with a percentage of 54.42%, Tongkol Lorek with a percentage of 38.13%, belo with a percentage of 6.37%, juwi with a percentage of 0.53%, and the lowest. the percentage is bagong by 0.52%. The correlation of oceanographic parameters with purse seine catches is as follows: Current velocity has the highest correlation value with a correlation coefficient of 0.814. The temperature has a strong category value with a correlation coefficient of 0.756. Salinity has a negative correlation value with a value of -0.658. Depth has a strong category value with a correlation coefficient value of 0.657.
Co-Authors Elasari, Nova Maisaroh, Dian Sari Perdanawati, Rizqi Abdi Rizqiyanto, Firdaus Achmad