Group 1 - The article highlights the significant impact of the recent extreme heat on South Korea's economy and fisheries, leading to increased prices for various seafood products [1][11] - The price of flounder in Seoul's largest seafood wholesale market has risen to 40,000 KRW (approximately 206 RMB) per kilogram, marking an increase of over 30% compared to the same period last year [3] - The average retail price of mackerel in South Korea has also surged to approximately 26 RMB, reflecting a similar increase of over 30% year-on-year [7] Group 2 - The average water temperature in South Korea's surrounding seas reached 24.6 degrees Celsius in July, the highest level in nearly a decade, prompting high-temperature warnings in over 40% of the country's waters [11] - Over 180,000 farmed fish have died due to high temperatures since the first report of mass mortality was received at the end of last month [11] - To mitigate losses, local authorities are releasing millions of farmed fish into the sea and implementing measures such as vaccination and oxygen supply systems in aquaculture facilities [13]

Group 1 - The upcoming fishing moratorium starting May 1 will lead to a peak in seafood purchases in Lianyungang, with abundant supplies of live seafood like hairtail, pomfret, and blue crab, while prices remain stable [1] - Lianyungang, with over 1,600 fishing vessels, will enter a four-and-a-half-month fishing moratorium aimed at protecting the spawning and growth of economically important fish species, resulting in a significant reduction in live seafood availability post-moratorium [1] - Recent data indicates that the fishing moratorium has successfully restored fish resources by over 30% and increased the average length of catches by 15% [1] Group 2 - Despite the reduction in live seafood during the moratorium, Lianyungang's aquaculture area exceeds 700,000 acres, producing over 800,000 tons of aquatic products annually, with species like oysters and white shrimp making up nearly half of the production [2] - Innovations in aquaculture techniques, such as triploid oyster breeding and seawater-freshwater mixed farming, have led to continuous improvements in the quality and yield of local aquaculture products [2] - The fishing moratorium not only aids in marine resource recovery but also promotes the transformation of the fishing industry towards ecological aquaculture and recreational fishing, supporting sustainable development [2]