Group 1 - The core idea of the news is the innovative "land-sea relay" aquaculture model in Lianyungang, which aims to transition traditional nearshore aquaculture to deep-sea farming through technological advancements [1][5] - The Lianyungang Ganyu Aquatic Seed Breeding and Modern Aquaculture Demonstration Center utilizes a closed-loop water system that reduces water usage by 90%, decreases the use of veterinary drugs by 80%, and increases the success rate of aquaculture by 20 percentage points [1][2] - The center plans to produce 5,500 tons of South American white shrimp, 2 million salmon fry, and 10 million high-quality fish fry annually, providing a continuous supply of "Ganyu seed sources" for deep-sea aquaculture [2] Group 2 - The delivery of the world's first self-propelled closed salmon farming vessel, "Suhai No. 1," marks the entry of Lianyungang into the "engineering era" of deep-sea aquaculture, capable of producing 3,200 tons of salmon annually [3] - The vessel can adapt to seasonal changes and natural disasters, significantly mitigating risks associated with nearshore farming [3] - Lianyungang is also developing HDPE gravity net cages, which can withstand severe weather conditions and have a lifespan of 10-15 years, enhancing deep-sea farming capabilities [4] Group 3 - The total investment in the Lianyungang Aquatic Seed Breeding and Modern Aquaculture Demonstration Center is 1.5 billion yuan, with 20 factory-style aquaculture workshops already in operation [4] - The region has implemented various marine facility constructions, including the deployment of artificial reefs and large intelligent deep-sea framework net cage platforms [4] - The Lianyungang district aims for a total fishery economic output value of 28.366 billion yuan by 2024, reflecting the high-quality development of the marine economy [5]