广西探索自然资源碳汇调查技术路径

Core Insights - The Guangxi Natural Resources Department has initiated a carbon sink investigation and monitoring pilot project in seven counties since 2022, utilizing data from the third national land survey to establish a carbon sink monitoring and assessment system [1][2] - An integrated "air-space-ground" carbon sink monitoring and assessment system has been developed, which is deemed to be at a leading domestic level according to experts [1] - The project has successfully completed a baseline carbon sink survey covering approximately 20,000 square kilometers and has established a carbon parameter database for the entire region [2] Group 1 - The pilot project includes counties such as Tiandong, Yangshuo, and others, focusing on addressing issues like unclear carbon sink baselines and insufficient dynamic monitoring capabilities [1][2] - The Guangxi Geographic Information and Survey Institute has integrated various multidisciplinary technologies to tackle technical challenges in data collection and fusion [1] - The project has developed carbon storage measurement models for different ecosystems, enhancing applications in forestry carbon sink capacity assessment and ecological product value realization [1] Group 2 - The carbon sink investigation results have been incorporated into the decision-making framework of the regional development and reform commission and the ecological environment department, aiding in the formulation of ecological compensation policies [2] - The establishment of a regional carbon parameter database is estimated to alleviate financial pressure on local governments by nearly 100 million yuan, saving significant costs in carbon accounting research and project development [2] - The potential market size for this initiative is projected to exceed 50 million yuan, with the possibility of extending its impact to other karst regions such as Yunnan and Guizhou [2]