Group 1 - The joint investigation voyage in Hangzhou Bay focuses on ecological environment protection and the sources of external pollutants [1][2] - The voyage completed a comprehensive multi-factor survey in the Yangtze River estuary, collecting data on chemical, dynamic, and biological parameters [1] - The investigation gathered water samples of phytoplankton, microorganisms, and microplastics, providing systematic data support for studying regional ecological evolution, carbon cycling processes, and pollutant sources [1] Group 2 - The voyage independently tested and validated the performance of onboard automatic towed profiling measurement systems and drone "fly-drift" observation systems [1] - High-resolution data on various key factors were successfully obtained, demonstrating the adaptability and feasibility of the equipment in complex nearshore environments [1]

Core Insights - The Ministry of Natural Resources' Third Institute of Oceanography has established a collaborative network for marine ecological protection and sustainable development in North Sulawesi, Indonesia, focusing on scientific research, technology promotion, and public education [1][2] Group 1 - A delegation led by Du Jianguo, Deputy Director of the Marine Sustainable Development Research Center, visited multiple marine-related institutions in Indonesia to discuss biodiversity, ecological connectivity, and sustainable development [1] - The initiative aims to create a multi-level cooperation network that integrates 15 years of past collaborations between China and Indonesia, involving local governments, universities, research institutions, and industry [2] - This collaboration marks a transition from bilateral cooperation to regional synergy in marine ecological protection and sustainable development policies [2]

Core Insights - The research team from the Institute of Oceanology, Chinese Academy of Sciences, has made a groundbreaking discovery regarding the unique adaptation mechanism of the deep-sea hydrothermal animal, the Alvinella pompejana, revealing its "poisoning the poison" strategy for survival in extreme environments [1][4] Group 1: Research Findings - The study highlights that the Alvinella pompejana thrives in extreme conditions near hydrothermal vents, where high-temperature seawater contains toxic substances such as hydrogen sulfide and heavy metals [1][3] - The species exhibits rare characteristics, including a bright yellow coloration due to the presence of yellow particles in its epidermal cells, and it is found closer to hydrothermal vents than other common hydrothermal animals like shrimp and mussels [1][3] - The Alvinella pompejana accumulates a significant amount of inorganic arsenic, with some individuals containing arsenic levels as high as 1% of their body weight, yet they remain unharmed in such high-concentration environments [1][3] Group 2: Mechanism of Adaptation - Further research indicates that the yellow particles in the epidermal cells are primarily composed of arsenic and sulfur, matching the composition of realgar [3][4] - The study combines whole-genome sequencing and proteomics to reveal that these particles are enriched with multidrug resistance transport proteins and hemoglobin, which are crucial for arsenic transport and hydrogen sulfide binding [4] - The research proposes a unique detoxification mechanism where the Alvinella pompejana utilizes both arsenic and hydrogen sulfide to detoxify itself, forming insoluble realgar minerals within its cells, thus providing insights into adaptive evolution and potential applications in biomineralization and environmental toxicology [4]

Group 1 - The Ningbo-Zhoushan Port is experiencing significant activity, with a focus on the progress of an intelligent parking project and infrastructure construction, which faced delays due to land acquisition and approval processes [1] - The local disciplinary inspection and supervision authorities are actively addressing administrative bottlenecks to optimize the port city's layout and support the development of a modern port [1] - Emphasis is placed on the high-quality development of the marine economy, with a commitment to political supervision in key areas related to marine economic development [1] Group 2 - The establishment of an internationally influential shipping center is identified as a key element in developing the marine economy, with ongoing supervision of major projects at the Shanghai International Shipping Center [2] - The Shanghai disciplinary inspection team is focusing on 14 key supervision items related to marine industry development, ensuring accountability and task clarity among responsible parties [2] - Technological innovation is highlighted as a core driver for high-quality marine economic development, with oversight on the implementation of marine research policies and funding usage [2] Group 3 - In Qingdao, the local disciplinary inspection authorities are engaging with research institutions to address urgent issues in hardware and technology, resulting in the resolution of 31 significant problems [3] - A mechanism has been established to integrate technological breakthroughs with policy support and financial innovation in the marine sector [3] - The Weifang municipal authorities are actively identifying and addressing common technological challenges in the marine industry, creating a list of over 100 issues to tackle [4] Group 4 - The protection of the marine ecological environment is crucial for high-quality marine economic development, with ongoing supervision to ensure accountability in ecological protection efforts [4] - The North Sea City is focusing on the protection of mangrove ecosystems, integrating ecological protection into political supervision and addressing corruption related to environmental issues [4] - The local authorities are implementing measures to enhance the management and restoration of mangrove ecosystems, ensuring compliance with ecological protection standards [4]

Core Insights - The visit by the Fourth Institute of Oceanography under the Ministry of Natural Resources to Indonesia focused on establishing a China-ASEAN marine technology joint research center and advancing collaborative projects in marine science [1][2] - A memorandum of understanding was signed to create a long-term cooperation mechanism for joint research project applications and personnel exchanges between China and Indonesia [1] - The discussions highlighted the urgent needs for seaweed breeding, ecological aquaculture optimization, and joint talent cultivation at local universities [1][2] Group 1 - The collaboration with Indonesian research institutions, universities, and farmers demonstrates a clear and pragmatic willingness to cooperate at multiple levels [2] - The China-ASEAN marine technology joint research center is positioned as a crucial platform for technology incubation and support [2] - Engaging with farmers through "two-way listening" strengthens mutual understanding and lays a foundation for long-term cooperation [2] Group 2 - Field research was conducted in the core area of seaweed farming, addressing the current challenges faced by local farmers and providing practical technical recommendations [1] - Discussions at Pattimura University focused on high-value utilization of seaweed and microplastic pollution management, indicating a strong demand for expertise in these areas [1] - The standardization of seaweed seedling cultivation and specific aquatic breeding practices were examined, offering important references for future collaborative efforts [1]

本航次历时17天，总航程约2800海里，在爪哇海沟俯冲带区域开展了主动源地震和可控源电磁的联 合探测，同时采集了海水及沉积物岩心样品，获取了相关科学数据。中国与印尼科学家在作业中密切配 合，在有限的天气窗口内实现了海底观测设备100%回收。本次联合航次获取的爪哇海沟俯冲带区域地 幔—地壳尺度地震与电磁数据，将为深入理解爪哇俯冲带区的岩石圈固体—流体结构和动力过程提供关 键证据。 下一步，海洋二所将与印度尼西亚国家研究与创新署、加查马达大学在后续数据处理、科学分析等 方面密切合作，增进对东南亚环形俯冲体系板块汇聚理论发展和海洋地质灾害机制方面的科学认识。 本报讯8月26日，由自然资源部第二海洋研究所和印度尼西亚国家研究与创新署联合组织的地质与 地球物理联合考察航次完成各项科学任务，在爪哇俯冲带深部结构探测方面取得了丰硕成果。 ...

Core Insights - The article discusses the increasing frequency of local marine ecological disasters caused by the abnormal proliferation of species such as starfish, white mud snails, and jellyfish, which negatively impact coastal industries, tourism, and aquaculture [2][4] - The North Sea Bureau has initiated a key project focused on the research and application of early warning technologies for local biological outbreaks, aiming to enhance ecological safety and marine resource management in the North Sea region [2][4] Group 1: Research and Monitoring - The North Sea Bureau's ecological center is conducting specialized investigations and monitoring of the reproductive periods and outbreak phases of starfish and white mud snails, utilizing advanced technologies like environmental DNA and stable isotopes [4][7] - Research has identified critical time nodes and methods for managing outbreaks of starfish and white mud snails, which are detrimental to clam farming in Jiaozhou Bay [4][7] Group 2: System Development - A monitoring and early warning system has been established, focusing on various indicators related to the occurrence of biological disasters, including harmful species, marine environment, and human activities [7] - This system aims to standardize monitoring practices and improve the response capabilities to local ecological disasters, filling existing gaps in the field [7] Group 3: Application and Impact - Research outcomes have been translated into practical applications, including the support of key R&D plans, the establishment of industry standards, and the granting of patents [9] - Since 2024, these research results will be piloted in Qingdao, with over ten early warning bulletins issued to support the sustainable development of the Jiaozhou Bay clam farming industry and ensure the safety of Qingdao's power facility water intake [9]

Core Insights - The article emphasizes the importance of coral reef restoration and marine ecological protection in Weizhou Island, Guangxi, highlighting the collaborative efforts of the Guangxi University Marine College research team and local government support to enhance marine biodiversity and promote eco-tourism [1][2][5]. Group 1: Coral Reef Restoration Efforts - Since 2015, the Guangxi University Marine College has been actively involved in coral reef protection and restoration on Weizhou Island, establishing a 2,000 square meter demonstration area that increased live coral coverage from approximately 5% to 20% within three years [2]. - In 2023, the team deployed 1,520 artificial reefs and transplanted over 80,000 coral fragments, restoring an area of 450 acres [2][3]. - The restoration efforts have led to a significant recovery of the underwater ecosystem, attracting more marine life and enhancing the ecological tourism appeal of the island [5][6]. Group 2: Economic Impact and Eco-Tourism - The coral reef restoration has resulted in a booming eco-tourism industry, with approximately 95,000 visitors participating in diving tourism in 2024, generating an income of about 17.1 million yuan [6]. - Local residents have benefited economically, with many engaging in tourism-related activities such as renting out properties, working in hotels, or operating sightseeing vehicles [6]. - The establishment of the largest coral reef public science museum in the country has attracted around 320,000 visitors since its opening in 2019, further promoting awareness and education about coral ecosystems [6][7]. Group 3: Community Engagement and Education - The research team promotes a "research + popular science + tourism + community" model to foster public engagement in coral conservation efforts [7]. - Activities such as coral "adoption" allow tourists to connect emotionally with the coral restoration process, enhancing community involvement in ecological protection [7]. - The educational initiatives have successfully raised awareness about the importance of coral reefs, with visitors expressing a commitment to environmental protection [7].

Core Insights - The "Haiqin" ROV successfully completed its first deep-sea test, validating its system functions and performance indicators, marking the "Zhongshan University" ship as one of the few in China equipped with a 6000-meter deep-sea ROV [1][3] Group 1 - The "Haiqin" ROV achieved a maximum diving depth of 4140 meters during multiple test dives, confirming the stability and reliability of its technical indicators and system operations [3][5] - Prior to the sea trial, all components of the ROV underwent pressure testing at 6000 meters on land, with the sea trial primarily serving a verification purpose [3][7] - The ROV is designed for deep-sea exploration and is supported by Zhongshan University, with production commissioned to Shanghai Jiao Tong University, enabling precise observation and sample collection for various deep-sea scientific tasks [3][8] Group 2 - The "Zhongshan University" ship is currently the largest and most advanced modern oceanographic research vessel in China, having completed 23 scientific expeditions since its commissioning, with a focus on deep-sea exploration [10]

Core Viewpoint - The successful sea trial of China's self-developed deep-sea remotely operated vehicle (ROV) "Haiqin" marks a significant advancement in deep-sea research capabilities, demonstrating its operational effectiveness at a depth of 4140 meters [1][3]. Group 1: Development and Features - "Haiqin" is developed by the Shanghai Jiao Tong University Underwater Engineering Research Institute and is tailored for the "Zhongshan University" oceanographic research vessel, featuring advanced capabilities such as automatic orientation, hovering, and automatic line-following [2]. - The ROV is equipped with high-definition cameras, multifunctional robotic arms, and detection sensors, enhancing its functionality for scientific exploration [2]. Group 2: Operational Details - The sea trial commenced on August 22, with the "Zhongshan University" vessel arriving at the testing site in the South China Sea, where the ROV was deployed under challenging weather conditions [2]. - During the trial, "Haiqin" successfully collected sediment samples and recorded various marine specimens, including sponges, starfish, sea cucumbers, deep-sea fish, and seabed rocks [5]. Group 3: Team and Collaboration - The sea trial involved a collaborative effort from 89 team members across 19 institutions, including Sun Yat-sen University, Shanghai Jiao Tong University, and the Shenyang Institute of Automation, showcasing a strong interdisciplinary approach [6]. - The operation team and technical team worked closely together, ensuring the ROV's functions and performance met the design specifications, laying the groundwork for future applications [6]. Group 4: Additional Equipment - The trial also featured the first operational full-depth autonomous remote vehicle (ARV) "Haidou No. 1," which conducted scientific applications alongside "Haiqin," providing valuable insights for safe multi-tasking in deep-sea operations [8].