我国地表基质调查从试点探索转向面上铺开

Core Insights - The recent seminar on the 2025 National Surface Matrix Survey in Harbin, Heilongjiang Province, highlighted the latest advancements in surface matrix research and outlined future work directions [1][2] Group 1: Key Findings from the Seminar - The seminar emphasized the urgent need to comprehensively clarify the types, configurations, distributions, properties, and resource potential of surface matrices to support national food security, ecological safety, and land spatial planning [1] - Significant achievements have been made in pilot projects for surface matrix surveys, establishing a scientific connotation and a layered classification system for these surveys [1][2] - The meeting identified three key areas for future focus: expanding surface matrix surveys to meet national demands, establishing a comprehensive standard system, and developing high-precision, intelligent monitoring technologies [2] Group 2: Contributions and Discussions - Experts from institutions such as the Chinese Academy of Sciences and China Agricultural University presented reports on the foundational theories related to surface matrices [2] - The China Geological Survey's Natural Resources Comprehensive Investigation Command Center provided insights into the scientific connotation and ecological functions of surface matrices, along with updates on survey content and methodologies [2] - Representatives discussed new methods for surface matrix surveys, talent development, and contributions to high-quality economic and social development [2]