从"南鱼北养"到"国产良种"，山东水产全链条创新 在山东养好一条"南方鱼" 眼下，各类海鲜、大闸蟹等鲜美上市。东星斑、红瓜子斑等名贵鱼种食用观赏价值高，但对水温水 质要求苛刻，如今也在山东实现了大量供应。在东营，黄河口大闸蟹也突破了蟹苗长期依赖南方供应的 困境，打造了本土品牌。在这些转变中，有怎样的故事？ 全链条创新，解锁"南鱼北养" 在中国北方海洋种业繁育基地（以下简称"北繁基地"），走进山东海洋集团明波水产（以下简 称"明波水产"）A1智能化循环水育养车间，近1万平方米的建筑内，96个直径8米的PE养殖池分为12列 整齐排布，水池里，通体鲜红的东星斑、红瓜子斑，橙红色带条纹的红玫瑰斑等名贵海水鱼正在活泼游 动。不久前，红瓜子斑、红玫瑰斑首次在北方实现规模化繁育，正式走向消费市场。 在北繁基地，记者看到了一条依托创新实现"育、繁、养、推"一体化的"南鱼北育、南鱼北养"之 路。 车间里，目之所及的是数字化、规模化的鱼类养殖场景。车间上层，一面屏幕上显示着水下画面、 水质状况等实时信息。"鱼儿生活好不好，有智慧的'眼睛'和'大脑'帮助我们判断和决策。"A1车间主任 孙礼娟说。养殖车间配备鱼类生物量估算系统、鱼类 ...

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]

Core Viewpoint - The article emphasizes the importance of enhancing rural sewage treatment and promoting rural revitalization across various cities in Guangdong Province, highlighting specific initiatives and goals set by local government leaders to improve environmental conditions and foster economic development [6][20][24]. Group 1: Rural Sewage Treatment Initiatives - Guangzhou aims to strengthen rural sewage treatment and develop new water resources production capabilities [7][20]. - Shantou is focused on optimizing management methods and establishing a comprehensive rural sewage treatment mechanism [8][24]. - Meizhou emphasizes innovative reforms and pilot experiences in rural sewage management [10][31]. Group 2: Land and Housing Reforms - Shanwei is advancing comprehensive land remediation efforts and cautiously promoting rural housing land reforms [9][36]. - Dongguan is setting higher standards for typical villages, integrating cultural elements into the construction of harmonious rural areas [10][45]. - Yunfu is implementing a "five-level secretary" responsibility system to tackle challenges in rural revitalization [18][98]. Group 3: Economic Development and Integration - Zhanjiang is committed to cultivating new marine production capabilities and building a distinctive marine city [10][50]. - Maoming is focusing on the integration of agriculture, culture, and tourism to benefit the local population [10][55]. - Qiqing is promoting the "first industry secretary" development linkage mechanism to enhance rural economic vitality [10][72]. Group 4: Environmental and Aesthetic Improvements - Zhaoqing is advancing actions to enhance rural aesthetics and improve living conditions for agricultural migrants [10][65]. - Qingyuan is pushing for comprehensive land remediation and environmental beautification efforts [10][81]. - Chaozhou is exploring "land-sea relay" aquaculture models to enhance marine economic development [10][88].