生态学报2025，Vol.45Issue(24)：12373-12383,11.DOI:10.20103/j.stxb.202503200642
风电建设对锡林郭勒地区植被固碳能力的影响及驱动机制
Influence and driving mechanism of wind power construction on vegetation carbon sequestration capacity in Xilingol area
摘要
Abstract
Terrestrial ecosystems play critical roles in regulating the carbon cycle and maintaining the carbon balance.Against the backdrop of rapid wind power expansion,scientifically assessing the impacts of wind farm construction and operation on ecosystem carbon sequestration capacity holds critical significance.Existing studies have analyzed the impacts of wind farm construction on the carbon sequestration capacity of surface vegetation in different regions through field investigations and remote sensing data analysis.However,the research conclusions remain uncertain.How the stable operation of wind farms affects Net Primary Production(NPP)compared to the pre-construction phase?How far horizontally does this effect extend,and what factors drive the impact of wind farms on vegetation NPP?To address limitations of existing research in revealing the impacts of large-scale wind power expansion on regional vegetation carbon sequestration,particularly regarding insufficient representativeness and systematicity of study areas,this study focused on 51 operational wind farms in Xilingol,central Inner Mongolia.Utilizing MODIS NPP data products,we applied buffer analysis,time-series analysis,correlation analysis,and random forest modeling to examine the spatiotemporal patterns and driving factors of vegetation carbon sequestration impacts from wind farm construction and operation in the Xilingol region.The key findings reveal that:(1)Wind power construction and operation affected vegetation NPP in adjacent areas,with impacts extending up to 6-8 km;(2)Compared with pre-construction levels,Wind Farm Areas(WF)exhibited a statistically significant 1.8%increase in mean NPP,with 80.4%of wind farms experiencing NPP increases—particularly pronounced increases in temperate desert steppe,temperate steppe and agro-pastoral ecotones.The adjacent affected areas showed no significant NPP change;(3)Multidimensional statistics showed wider variation in mean NPP within WF compared to Near Wind Farm Areas(NNWF),potentially implying that WF areas were more affected by human factors;(4)Near-surface air temperature,relative humidity,and precipitation were identified as the dominant climatic drivers of NPP changes in wind farm areas.Land surface temperature and relative humidity primarily drove changes within the wind farms,while land surface temperature and precipitation were the main drivers in adjacent areas.Wind turbine density showed no statistically significant effect on NPP changes within WF and NNWF.Post-construction microclimate modifications and vegetation restoration measures demonstrated a positive effect on productivity recovery within wind farm boundaries.These findings advanced the understanding of wind farm-ecosystem interactions and provided a scientific basis for reconciling ecological conservation with wind power development.关键词
草原风电/NPP/北方草原/固碳效应Key words
grassland wind farm/NPP/grassland of northern China/carbon sequestration effects引用本文复制引用
CAI Jing,ZHANG Yaxian,XIANG Xiaozhi,LIU Xi,DU Wenpeng..风电建设对锡林郭勒地区植被固碳能力的影响及驱动机制[J].生态学报,2025,45(24):12373-12383,11.基金项目
国家自然科学基金青年项目(42401364,42201335,42301335) （42401364,42201335,42301335）
