儋州划定5个深远海片区，大力发展深海网箱养殖 "甜甜圈"助水产畅销岛外 "我们从2022年开始进行育种工作，不断提升金鲳鱼的抗病性能和存活率，降低饵料系数。"陈君说，神 农水产与中国科学院、海南大学等院校进行"产学研一体化"合作，不仅开展保种育种工作，还与科研机构、 科技机构共同开展巡检、洗网机器人的开发与研究。"深水养殖风险较大、难度系数高，未来我们将逐步提升 养殖智慧化水平。" 发展深海网箱养殖是海南渔业转方式调结构的重点方向之一。海南坚定海洋渔业"往岸上走、往深海走、 往休闲渔业走"战略方向，坚持以科技创新为核心动能，大力发展水产种业、深远海养殖，推动传统渔业转型 升级，筑牢"蓝色粮仓"。儋州立足自身丰富的海洋资源、产业基础、区位优势，多措并举推进渔业"往深海 走"，划定5个深远海片区4.08万公顷海域、1.54万公顷农渔业区、772公顷渔业基础设施区，释放养殖企业产 能，还设立专项补贴资金，切实缓解企业资金压力，助力现代海洋渔业高质量发展。 "三、二、一，起网!"8月21日一大早，"家"住儋州市峨蔓镇附近海域深水网箱养殖基地的金鲳鱼正在自 在游动，一阵突如其来的"失重感"打破了它们的安逸。随着渔业捕捞 ...

Core Insights - Weihai has established itself as a leading hub for marine seedling production in China, supplying over 90% of greenfin horse mackerel fry and significant portions of other marine species across various regions [1][2][4][9] Industry Overview - The marine seed industry is considered the "chip" of modern fisheries, crucial for ensuring the country's "blue granary" [4] - Weihai's annual production of high-quality aquatic seedlings exceeds 65 billion units, with a market value surpassing 3 billion yuan, positioning it at the forefront of both provincial and national rankings [4][11] Production Capabilities - The city has implemented 98 aquaculture seed projects, providing 380 million yuan in financial support, which has attracted over 1.4 billion yuan in social investment [6] - The survival rate of greenfin horse mackerel fry has improved from less than 10% to 70% after significant investment and research efforts [6][11] Innovation and Development - Weihai has established four high-end innovation platforms in collaboration with domestic universities and research institutions, covering northern aquaculture species and introducing southern species like tilapia and grouper [7][11] - The city has developed a unique multi-nutrient layer comprehensive aquaculture model, which has been promoted globally by the United Nations [14] Future Prospects - Weihai is advancing towards deep-sea aquaculture, with the "Senhai Pioneer," the world's first 80,000-ton ocean-going aquaculture vessel, set to begin operations [12] - The city aims to increase its aquatic seed production to over 70 billion units, maintaining its leading position in the industry [14]

Core Insights - The article highlights the rapid development of China's marine aquaculture industry, emphasizing its role in enhancing food security and diversifying the food supply system [6][8][9] - The construction of national marine ranches and the shift towards deep-sea aquaculture are key strategies for sustainable development in the sector [7][12][16] Industry Development - Fujian Province's Ningde City is actively promoting deep-sea aquaculture, establishing a supply chain from "farming to table" to enhance economic growth [2] - Shandong Province's Rongcheng City showcases vibrant marine ranching activities, indicating a thriving aquaculture sector [4] - Guangdong Province's Maoming City has seen significant success in marine aquaculture, making it a vital economic pillar [6] Aquaculture Statistics - China has built 169 national marine ranches, with deep-sea aquaculture water volume reaching 56.6 million cubic meters and an annual output of 470,000 tons [7][17] - In the first half of the year, national marine product output increased by 4.8%, with sea farming output rising by 5.6% [7] Future Projections - By 2024, China's marine product output is expected to exceed 37 million tons, maintaining its position as the world's largest producer [8][17] - The marine aquaculture sector is projected to account for nearly 60% of global production [17] Technological Advancements - The industry is experiencing technological upgrades, including the use of intelligent deep-sea farming platforms and innovative aquaculture equipment [11][12] - Companies are investing in R&D to enhance product value, with some achieving a threefold increase in the value of abalone products through innovative processing [12] Sustainable Practices - The shift to deep-sea aquaculture is seen as a solution to alleviate pressure on nearshore resources and promote ecological balance [11][16] - The implementation of green technologies in aquaculture is aimed at reducing environmental pollution and improving resource efficiency [16]

Group 1: Agricultural Development - The Ministry of Agriculture and Rural Affairs has issued a notice to guide local areas in promoting high-quality development of rice-fish integrated farming from four aspects: standardization, transformation, income increase, and support measures [1] - The goal is to achieve more efficient farming models and greener production within three to five years, enhancing the role of rice-fish integrated farming in ensuring food security and stable supply of aquatic products, as well as increasing farmers' income [1] - In 2024, the national area for rice-fish integrated farming is projected to reach 46.05 million acres, representing a year-on-year increase of 2.6% [1] Group 2: Marine Economy and Aquaculture - Significant progress has been made in the high-quality development of China's marine economy, particularly in deep-sea aquaculture [3] - The "Donghai No. 1" platform, the first deep-sea aquaculture facility for large yellow croaker in Ningbo, Zhejiang, is set to begin mass production [3] - The platform measures 83 meters in length and 32 meters in width, equivalent to six basketball courts, and has a height comparable to a seven-story building [3] Group 3: Aquaculture Operations - The "Donghai No. 1" platform consists of three net cages, each measuring 32 meters by 27 meters and reaching a depth of 13 meters, housing over 200,000 large yellow croakers [5] - Fishermen typically catch yellow croaker at night to ensure the fish's color and freshness, with a catch of approximately 5,000 pounds every week [5] - The platform serves as a wild acclimatization base, where the fish develop near-wild quality after two months due to stronger ocean currents [7] Group 4: Market Impact and Economic Benefits - The first batch of over 20,000 large yellow croakers has entered the market, with some sent to local markets and others stored in ice warehouses for nationwide distribution via e-commerce [10] - The fish are preserved at temperatures between -60°C and -80°C, allowing for a shelf life of about one month, thus expanding the sales range [10] - The platform is expected to produce 400 tons of fish this year, valued at over 40 million yuan, while also providing dozens of job opportunities for local residents [10]

Group 1: Marine Economy Development - The core viewpoint emphasizes the importance of high-quality development in the marine economy as part of China's modernization strategy, driven by technological innovation [1] - The Chinese government is focusing on enhancing independent innovation capabilities in marine technology and fostering leading marine technology enterprises [1] - The article highlights the significance of marine resources and the need for strategic management to boost the marine economy [1] Group 2: Marine Aquaculture - The article discusses the advantages of large-scale aquaculture, specifically the use of oversized net cages that enhance the quality of fish, such as the large yellow croaker [2] - The unique geographical features of the region, including nutrient-rich waters from three rivers, contribute to the area's prominence in yellow croaker production [2] - Innovations in net cage design, such as using high-density polyethylene, improve resilience against harsh weather conditions [2][3] Group 3: Smart Aquaculture Technologies - The integration of smart technologies in aquaculture management allows for real-time monitoring of water quality parameters, significantly reducing disease rates among fish [3] - The establishment of a net-free sound wave marine ranch aims to simulate wild conditions for fish, aiding in the recovery of natural populations [3] Group 4: Wind Power Development - The article outlines the rapid development of offshore wind power in Fujian, with a total installed capacity of 383,000 kilowatts expected by May 2025 [6][7] - The use of domestic equipment in offshore wind projects marks a significant advancement in China's high-end manufacturing capabilities [7] - The article highlights the importance of energy storage solutions to enhance the utilization of offshore wind power [7] Group 5: Seaweed Industry Potential - Seaweed is identified as a valuable resource with significant potential for high-end applications, such as the production of ultra-pure sodium alginate for medical use [8][9] - The successful industrialization of ultra-pure sodium alginate represents a breakthrough in overcoming previous market monopolies [9] Group 6: LNG Dual-Fuel Shipbuilding - The construction of LNG dual-fuel ships is highlighted as a response to international emissions reduction targets, with significant reductions in CO2 emissions [10][12] - The article discusses the challenges faced in developing LNG fuel tanks and the innovative solutions implemented by domestic shipbuilders [11] Group 7: Desalination Projects - The establishment of a large-scale seawater desalination project in Tianjin aims to meet the freshwater needs of the chemical industry, replacing over 5 million tons of freshwater annually [14][15] - The project utilizes advanced dual-membrane desalination technology, achieving significant efficiency in freshwater production [15][16] - The integration of a circular economy model around desalination processes is being developed to enhance resource utilization [16]

Core Viewpoint - The "Bay Area Lingding" is the world's first self-propelled natural water exchange aquaculture vessel, designed to enhance China's marine aquaculture capabilities and contribute to food security in a country with over 1.4 billion people [3][4]. Industry Overview - China is focusing on developing marine ranching and "blue granaries" to ensure food security, transitioning from traditional aquaculture to deep-sea, mechanized, and intelligent methods [3][4]. - The deep-sea aquaculture sector has seen rapid development since the introduction of gravity-type net cages from Norway in 1998, with significant investments in marine fishery technology [4][5]. Vessel Specifications - The "Bay Area Lingding" has a total length of 155.8 meters, a width of 44 meters, and a depth of 24 meters, with a maximum draft of 20 meters and a total aquaculture space of nearly 80,000 cubic meters, equivalent to the water capacity of 32 standard swimming pools [5][6]. - It can produce up to 5,000 tons of seafood annually, comparable to the output of 5,000 acres of land-based fish ponds [6]. Technological Innovations - The vessel features a self-propelling electric propulsion system and utilizes ocean currents for natural water circulation, reducing energy consumption and creating a near-wild growth environment for fish [5][6]. - Advanced technologies such as laser cutting, automated welding, and 3D modeling were employed in its construction to enhance manufacturing efficiency and quality control [8]. Environmental Considerations - The vessel is designed to operate 40 nautical miles from shore and can withstand typhoons up to level 12, using high-strength steel to resist harsh marine conditions [7]. - It incorporates a comprehensive energy system that prioritizes renewable energy sources, achieving 100% clean energy use during static operations, significantly reducing carbon emissions [9]. Smart Aquaculture Features - Equipped with underwater sensors and cameras, the vessel monitors water conditions and fish activity in real-time, allowing for precise feeding based on AI algorithms [10]. - The vessel can autonomously adjust its course to avoid adverse weather and optimize fish growth conditions, enhancing operational efficiency [11]. Future Prospects - The "Bay Area Lingding" aims to serve not only as a marine ranch but also as a tourism platform, offering fishing experiences and educational opportunities about deep-sea aquaculture [12]. - The development of such innovative aquaculture vessels represents a modernization of traditional fishing practices, contributing to increased supply of high-quality seafood and supporting China's food security strategy [12].

Core Insights - The delivery of the world's first self-propelled closed salmon farming vessel, "Suhai No. 1," marks a new phase in China's deep-sea salmon farming and opens new opportunities in the blue food supply chain [2][5]. Group 1: Vessel Specifications and Capabilities - "Suhai No. 1" is designed as a giant offshore salmon farming and processing factory, capable of producing 8,000 tons of salmon annually, equivalent to approximately 1.5 million fish [5]. - The vessel features an automated processing workshop for salmon, allowing for both ice-fresh and frozen processing, with the ability to deliver products to major domestic markets within 24 hours [6]. - The total construction cost of "Suhai No. 1" is nearly 600 million yuan, and it is operated by Jiangsu Lian Deep Ocean Technology Co., Ltd. [5]. Group 2: Operational Advantages - The vessel can perform 16 water exchanges with natural seawater within 24 hours, ensuring the freshness and cleanliness of the farming water [5]. - Unlike traditional fixed deep-water intelligent net cages, "Suhai No. 1" has a mobile production capability, allowing it to quickly relocate to safe waters in adverse conditions such as typhoons or red tides, enhancing farming safety and stability [5]. - The vessel's continuous farming capability allows for staggered market releases, which can help stabilize supply and potentially lower prices for salmon in the domestic market [6].

Core Insights - The "Bay Area Lingding" vessel, a significant asset for deep-sea aquaculture in China, was successfully launched in Jiangmen, Guangdong, with a length of 155.8 meters, a width of 44 meters, and a maximum draft of 20 meters [1] - The vessel has a total aquaculture space of nearly 80,000 cubic meters, equivalent to 32 standard swimming pools, enhancing fish vitality and meat quality [1] - It features an innovative underwater structure made of 15 square columns, creating 12 independent aquaculture compartments for diverse fish farming [1] - The vessel is expected to operate mainly in the Wanshan Islands area, focusing on high-quality seafood such as golden pomfret and red grouper, with an anticipated annual production of 5,000 tons of fish [1] Construction and Safety Features - The vessel is constructed using high-strength steel plates to ensure durability against the challenging conditions of the Wanshan Islands, which are prone to typhoons and rough seas [2] - Advanced construction techniques were employed to control structural deformation during the building process, ensuring the vessel meets design strength requirements [2] - Equipped with high-precision GPS and Beidou navigation systems, the vessel can report its location in real-time and adjust its speed and direction based on ocean conditions and fish distribution [2]

Core Insights - The ocean economy is becoming a key driver for domestic demand growth, supported by policy incentives and technological innovations [1] - The report from Guojin Securities highlights the emergence of new consumption scenarios in the ocean economy, particularly in marine fisheries, which play a crucial role in ensuring food security [1] Economic Performance - In 2023, China's ocean economy showed a strong recovery, with a total ocean production value of 99,097 billion yuan, a year-on-year increase of 6.0%, surpassing the national economic growth rate by 0.8 percentage points [2] - The ocean economy accounted for 7.9% of the national GDP, contributing 0.4 percentage points to overall economic growth [2] - The marine manufacturing sector's added value reached 29,861 billion yuan, growing by 7.0%, while the marine service sector's added value was 58,968 billion yuan, nearly 60% of the total [2] Fisheries and Food Security - Marine fisheries are a vital pillar of China's fishery economy, with a total fishery output value of 1.59 trillion yuan in 2023, up 4.5% year-on-year [4] - Marine aquaculture accounted for 65.2% of the total output value, indicating significant potential for growth compared to freshwater aquaculture [4] - The report emphasizes the development potential of deep-sea aquaculture, with over 100,000 square kilometers of usable area available [4] Technological Advancements - The introduction of modern aquaculture technologies, such as the world's first 100,000-ton aquaculture vessel, has significantly enhanced the supply capacity of high-quality seafood [5] - Breakthroughs in core species breeding have led to growth rates exceeding 20% for new varieties, although the industry still faces challenges with species diversity [5] Processing and Logistics - The processing rate of seafood products is increasing, with facilities like the 300,000-ton central cold storage in Zhanjiang enhancing product value by over three times [6] - The establishment of a comprehensive cold chain logistics system is facilitating temperature-controlled processes from aquaculture to end consumers [6]