Jeju Marine Fisheries Research Institute, observes up to 1.5°C rise in water temperature, expands surveillance and preventive treatment mainly in western region, operates high water temperature, low salinity water observation equipment. Provided by Jeju Island Due to the aftermath of climate change, the water temperature of the Jeju sea has already risen significantly this year, putting fish farm management on alert. The Jeju Island Marine Fisheries Research Institute announced on the 13th that it will significantly expand on-site surveillance and preventive treatment to minimize damage to fish farms due to high temperatures.