本报讯 （记者 吕苑鹃）为加强地理信息数据安全保护，促进地理信息数据流通交易和开发利用，自然 资源部近日印发《地理信息数据分类分级工作指南（试行）》（以下简称《指南》）。 数据分类分级是开展地理信息数据治理，实现数据采集汇聚、加工处理、流通交易、共享利用等全过程 保护的前提和基础。《指南》的制定和实施，有利于摸清行业地理信息重要数据和核心数据底数，为强 化地理信息数据全生命周期安全、统筹实施数据差异化安全防护提供依据。同时，有助于推进地理信息 数据分类分级确权授权使用和流通交易，有序扩大地理信息数据要素供给，充分发挥测绘地理信息数据 要素保障作用。 《指南》包括四方面主要内容。一是明确地理信息数据分类分级原则。在数据分类、数据分级、目录管 理与更新等各环节均应遵循"科学实用、综合判定、动态更新"原则。二是确定数据分类规则。将地理信 息数据分为基础地理信息数据、遥感影像数据和专题地理信息数据三大类，大类下再细分若干中类，同 时可根据数据管理实际和应用服务场景再细化分类。三是提出数据分级规则。确定了识别地理信息数据 分级因素、开展数据影响分析和综合评估定级的分级规则，同时给出了重要数据、核心数据识别的判定 指标。 ...

"五一"国际劳动节到来之际，从海岸线到极地大洋，从海上风电基地到海上油田生产一 线，从鸭绿江口到三沙海滩……海洋战线的劳动者们依旧步履 不停。他们用专业与热忱，丈量着蓝 色国土，守护着生态安全，探索着海洋奥秘。现推出"五一"特别策划，以镜头为媒介，聚焦海洋领 域奋斗者的身影， 致敬每一位用实干书写海洋篇章的劳动者。 4月29日，自然资源部北海发展研究中心技术人员为确保汛期海洋观测预警报数据及时准确可靠，连续奋战在北海区（三省一市）海洋站（点）仪器设 备现场计量检测一线，以担当实干彰显劳动者风采。图为技术人员在天津北疆电厂观测站进行现场计量。 essed on 9990 MENTAL M ALLAA A S S S S L L F F S S S S S S S S . . . . . . . e 4月28日，北海生态中心青岛近岸外业调查队伍两名女将勇于担当，顶着烈日和强烈的晕船感，毫不退缩，坚守岗位，在青岛即墨附近海域采集海水样 品，开展海洋生态环境监测。 N Fire 11 4月27日，北海生态中心青岛近岸外业调查队伍一名老同志秉持专业技术和高度敬业精神，在狭窄拥挤的调查船作业空间内开展叶绿素样品抽滤工作， ...

Group 1 - The article highlights the dedication and efforts of workers in the marine sector, emphasizing their role in safeguarding ecological safety and exploring marine mysteries during the International Labor Day [1] - The Ministry of Natural Resources has been conducting frequent ecological monitoring in the South China Sea, with the latest investigation being the seventh since October of the previous year, aimed at studying disaster biological outbreaks and ecological risk monitoring [3] - A spring survey was conducted by the South China Sea Investigation Center near Shantou, focusing on the environmental status of offshore wind power projects, collecting hydrological data essential for future marine development [7] Group 2 - The Zhuhai Marine Center's team conducted ecological environment monitoring at the Qingzhou offshore wind farm in Yangjiang, collecting samples of plankton and sediment to assess the operational impact on marine ecology [10][12][15][16] - Maintenance of various monitoring equipment was carried out by the North Sea Marine Center in Beihai, ensuring the functionality of sensors and analyzers for ongoing marine observations [19] - A tidal zone investigation was performed by the Sansha Marine Center, focusing on biological sampling and geomorphological surveys in the Xisha Islands [20][21]

Core Viewpoint - The article emphasizes the significant role of grasslands in maintaining national ecological security and highlights the historical progress made in grassland ecological protection in China over the past six years, despite ongoing challenges in restoration and degradation issues [1]. Grass Seed Industry Development - Grass seeds are crucial for national greening and high-quality grassland agriculture. The government is implementing a seed industry revitalization action plan, establishing a grass seed resource preservation system with one central repository and 20 resource nurseries [3][4]. - The National Forestry and Grassland Administration has initiated a national survey of grass seed resources and established a variety approval system, with nearly 60,000 acres of grass seed breeding bases expected to produce 25,000 tons of quality local grass seeds annually by the end of 2024 [4][5]. - The dependency on foreign grass seeds remains high, particularly for ecological restoration. The government aims to increase the domestic self-sufficiency rate of grass seeds for ecological restoration and forage to 75% by 2030 [5]. Resource Utilization and Management - The National Forestry and Grassland Administration is optimizing the approval process for grassland use in mining and construction projects, reducing average processing time by five working days [7]. - Policies are being implemented to promote the use of degraded grasslands for solar energy projects, ensuring ecological restoration while maximizing economic benefits [7]. - In Inner Mongolia, pilot projects are being conducted to address overgrazing, with a goal to reduce the grass-livestock balance index below 10% by 2025 [10][11]. Key Focus Areas for 2025 - The administration plans to enhance grassland ecological quality through seven key initiatives, including long-term planning, ecological restoration projects, and improving grass seed supply capabilities [12][13]. - Emphasis will be placed on regulatory enforcement against illegal land use and overgrazing, alongside promoting integrated grassland reforms and developing a comprehensive grassland resource protection system [13][14].

Core Viewpoint - The article highlights the transformation of Wangxiangu, a former mining area in Jiangxi Province, into a thriving eco-tourism destination, showcasing the successful integration of ecological restoration and rural revitalization efforts [1][2][3]. Group 1: Ecological Restoration and Development - Wangxiangu has undergone significant ecological restoration, shifting from a resource-extraction model to an eco-prioritized development approach, emphasizing the concept that "green mountains and clear waters are as valuable as mountains of gold and silver" [2][3]. - The local government has attracted 2.6 billion yuan in social capital for the unified planning and ecological restoration of over 600 hectares of land surrounding Wangxiangu, aiming to enhance natural resources and promote eco-industrialization [2]. Group 2: Tourism and Economic Impact - Wangxiangu has become a popular national AAAA-level tourist attraction, receiving over 2 million visitors in 2023 and generating tourism revenue exceeding 1 billion yuan [3]. - The "scenic area + farmers" cooperation model has created tens of thousands of job opportunities, encouraging many villagers to return and engage in specialty farming, handicrafts, and hospitality businesses, thus increasing local income [3]. Group 3: Cultural Heritage and Community Engagement - The development strategy incorporates both natural and artificial restoration methods, preserving local cultural heritage while enhancing the natural landscape, thereby creating a unique cultural experience for visitors [2]. - The project emphasizes the importance of respecting nature, preserving culture, and benefiting the local community, aligning with the broader concept of a "community of life between humans and nature" [3].

4月22日，在自然资源部"从山顶到海洋"科技成果巡展重庆首站现场，重庆市地矿局测试中心科技创新研究院总工程师李珂团队自主研发的数字化智能 重选摇床吸引了参观群众的目光。"智能重选摇床就像是一个聪明的选矿工人，即便是再细微的矿物特征，都逃不过它锐利的'眼睛'。"李珂介绍道。 地质力学及成矿系列理 NIC SIR 12 il DI 1181 s 李珂（右）在自然资源部"从山顶到海洋"科技成果巡展重庆首站现场向参观群众介绍数字化智能重选摇床 作为重庆市地矿局领军人才，去年，他和团队在继承传统选冶手段优势的基础上，引入人工智能视觉识别和数字化远程操控技术，研发出了重庆市首台 数字化智能重选摇床。 初衷：提升选冶实验效率和准确性 硕士和博士期间分别攻读重庆交通大学水土结构专业和重庆大学岩石工程专业的李珂，经常思考怎样才能让传统的地质检测和灾害防治手段智能化。于 是，他利用业余时间学习了大量有限元分析计算和编程相关知识，并研发了落石运动分析与被动防治辅助设计软件2．0版、泥石流防治结构计算程序、变截 面型钢砼结构计算程序等成果。 2023年，李珂作为高级人才被引进到重庆市地矿局测试中心主攻矿产资源高效利用相关研究。实验过 ...

Core Viewpoint - The marine economy is experiencing stable growth, with a notable increase in marine GDP and a focus on high-quality development in the sector [1][12]. Marine Industry Development - The marine industry is developing steadily, with a modern marine industrial system being constructed rapidly [2]. - Traditional marine industries are showing progress, with shipbuilding indicators remaining within reasonable fluctuations and a strong international market share [3]. Emerging Marine Industries - The marine engineering equipment manufacturing sector is thriving, with significant increases in new orders and deliveries [4]. - Breakthroughs in marine pharmaceuticals and biotechnology are being achieved, including advancements in marine drug research and the development of new bioproducts [4]. Resource Supply and Energy Security - The supply level of marine resources is continuously improving, laying a foundation for high-quality marine economic development [5]. - Marine energy security is being enhanced, with major discoveries in oil and gas exploration and increased production of marine oil and natural gas [6]. Technological Innovation - Significant achievements in technological innovation are accelerating the formation of new productive forces in the marine sector [7]. - Digital technologies are empowering the transformation and upgrading of marine industries, with various digital platforms and systems being implemented [8]. Green and Low-Carbon Technologies - The development of green ship technologies is progressing, with advancements in dual-fuel engines and carbon capture technologies [9]. Foreign Trade and Port Development - Marine foreign trade is stable, with a slight increase in shipping import and export volumes despite global economic challenges [11]. - The construction of smart and green ports is advancing, with numerous automated terminals and enhanced operational efficiency [11]. Policy and Market Outlook - A series of national macro policies are positively impacting market confidence, although challenges remain due to external pressures and domestic demand weaknesses [12].

Core Insights - The Qingdao "Ocean + AI" large model application docking conference was held, resulting in the signing of four agreements related to marine artificial intelligence [1] - The establishment of the Marine Artificial Intelligence Joint Laboratory aims to enhance the integration of industry, academia, and research, promoting the transformation of scientific research achievements and deepening the integration of AI with the marine industry [1] - Qingdao is accelerating the development of a world-class marine artificial intelligence large model industry cluster, with a complete range of marine data, sufficient computing power facilities, and rapid innovation in research [1] Industry Development - The Qingdao Laoshan Marine Artificial Intelligence Industry Cluster is the only modern marine characteristic industry cluster in the national AI field, gathering over 30 marine AI companies and 8 marine AI large models [2] - The cluster has a dedicated 1 billion yuan AI special fund and a full-cycle government service system, creating an entrepreneurial environment that leverages both AI technology and the coastal ecosystem [2] - A centralized promotion of large model products and demands was organized, showcasing the latest research and application cases from seven supply companies and six leading marine enterprises, highlighting the potential and broad prospects of AI technology in the marine sector [2]

Group 1 - The core viewpoint of the news is the significant progress made in the construction of a three-dimensional digital China, driven by the Ministry of Natural Resources through various stages of pilot exploration, localized application, comprehensive deployment, and accelerated empowerment [1][2] - The supply of data elements has been continuously enhanced, with 7.35 million square kilometers of digital elevation model data produced, 7.9 million square kilometers of basic geographic entity data completed, and 21 versions of orthophoto data with sub-meter/2-meter resolution covering the entire land territory of the country [1] - A total of 310 cities at the prefecture level and above have initiated three-dimensional city construction, resulting in approximately 110,000 square kilometers of urban three-dimensional model data produced [1] Group 2 - The technical standards and systems have been increasingly refined, comprising a technical standard system that includes technical outlines, 25 technical documents, and several national and industry standards, covering the entire construction process from design to quality control [2] - The application of three-dimensional digital China is expanding, with over 100 application scenarios across 22 categories, including disaster prevention, smart security, cultural heritage protection, land spatial planning, and online tourism [2] - The Ministry of Natural Resources plans to accelerate construction, focus on application, and build an ecosystem to support the development of high-quality geographic spatial data sets, aiding in natural resource management and land spatial planning [2]

Core Viewpoint - The article highlights a practical training session for marine survey outboard motor workboats organized by the South China Sea Bureau, emphasizing the importance of efficient and safe workboats for marine scientific investigations in the South China Sea [10]. Group 1: Training and Operations - A practical training session took place in the waters of Hongshengsha Island, Guangdong, with 60 frontline operators participating to master the operation and assembly skills of new workboats [10]. - The training included a series of rigorous assessments, covering tasks such as on-water engine replacement, maintenance, and practical operations, simulating real task scenarios [11]. Group 2: Importance of Workboats - The demand for marine scientific surveys and the duration of offshore operations have been increasing annually, making safe and efficient workboats crucial for the successful completion of major marine scientific tasks [10]. - The South China Sea Bureau has formed a task force to conduct specialized research on workboat hulls and engines, exploring new models for marine surveys that combine multiple operational points [10]. Group 3: Cost Efficiency and Operational Flexibility - The Bureau has equipped the "Xiangyanghong" series survey vessels with aluminum alloy workboat hulls and diesel outboard motors, allowing for operational flexibility and significant cost reductions in marine survey equipment [10].