Analysis of Fish Catches of Fishermen in the Southern Waters of Java Island in 2018 and 2020 Based on Chlorophyll-A Fertility and Sea Surface Temperature
- DOI
- 10.2991/978-2-38476-066-4_14How to use a DOI?
- Keywords
- Fishermen; Chlorophyll-a; Sea surface temperature
- Abstract
The decline in fish catches in 2018–2020 becomes a problem experienced by fishermen in the southern waters of Java island. This affects fishermen whose livelihoods are from marine products. From these problems, the purpose of the research is to analyze the fishermen’s catches in the southern waters of Java island in 2018 and 2020 based on chlorophyll-a fertility and sea surface temperature (SST), and supported by upwelling phenomena and determination of Potential Fishing Zones. The method used is secondary data analysis taken from MODIS Level 3 imagery to visualize water conditions. The concentration of chlorophyll-a in the eastern season of 2018 had an average of 0.4–0.6 mg/m3 with a sea surface temperature of 25.9–27.8 ℃. In 2020, there was a decrease by an average of 0.3–0.4 mg/m3 with a sea surface temperature of 26.7–28.3 ℃. This is proved by all significance values of paired t-test less than 0.005. That is, there is a significant difference between both periods. In 2018, the widest strong upwelling was in July with an area of 13,0723.94 km2. In 2020, it occurred in June with an area of 41,515.86 km2. The most potential fishing zones of 2018 were in August as many as 254 points and in 2020 in July 154 points. High chlorophyll-a with low sea surface temperature levels, strong upwelling areas, and dominant potential fishing zones are mostly found in areas proximate to the coast compared to those further away from the coast.
- Copyright
- © 2023 The Author(s)
- Open Access
- Open Access This chapter is licensed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/), which permits any noncommercial use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if changes were made.
Cite this article
TY - CONF AU - Al Fauzi Novianto AU - Hamim Zaky Hadibasyir AU - Afif Ari Wibowo PY - 2023 DA - 2023/06/26 TI - Analysis of Fish Catches of Fishermen in the Southern Waters of Java Island in 2018 and 2020 Based on Chlorophyll-A Fertility and Sea Surface Temperature BT - Proceedings of the International Conference of Geography and Disaster Management (ICGDM 2022) PB - Atlantis Press SP - 216 EP - 232 SN - 2352-5398 UR - https://doi.org/10.2991/978-2-38476-066-4_14 DO - 10.2991/978-2-38476-066-4_14 ID - Novianto2023 ER -