Yangtze River Delta Integrated Demo Zone:Ecosystem service changes and trade-offs analysis
Clarifying the functions of ecosystem services and their trade-offs is crucial for promoting sustainable ecosystem management,balancing economic development,and constructing ecological civilization.This study integrates multi-source data,including land use,elevation,and precipitation,employing methods like the In-VEST model and correlation analysis.It analyzes the spatiotemporal characteristics of land use changes and eco-system services(including carbon storage,water purification,and habitat quality)in the Yangtze River Delta Integrated Demo Zone from 2000 to 2020,as well as their trade-offs or synergies.The results show:(1)Land use in the study area is dominated by cultivated land,construction land,and water bodies,which account for 98％of the total area.From 2000 to 2020,there was a shift from cultivated land to construction land,leading to a decrease in cultivated land area by 437 km2.(2)From 2000 to 2020,water purification,carbon storage,and habitat quality in the demo zone exhibited a declining trend.(3)Spatially,carbon storage gradually transitioned from a distribution with low carbon storage in the northwest and high carbon storage in the southeast to a relatively uniform distribution;water purification capacity was lower at the interface of built-up land and cropland with wa-ter bodies,and habitat quality transitioned from a distribution with low habitat quality in the south and high habi-tat quality in the north to a relatively uniform distribution.(4)There is a trade-off relationship between habitat quality and carbon storage,with the trade-off intensity gradually weakening.There is a synergistic relationship between habitat quality and water purification,while a trade-off relationship exists between carbon storage and water purification.This study results can provide decision-making support for the high-quality development of the Yangtze River Delta Integrated Demo Zone.
万方数据
维普
