河北省宁晋县生态系统服务时空演变权衡分析  

Temporal and Spatial Variation Trade-offs Analysis of Ecosystem Services in Ningjin County of Hebei Province

作　　者：周丽娜[1] ZHOU Li-na(Baoding University,Baoding,Hebei 071000)

机构地区：[1]保定学院,河北保定071000

出　　处：《安徽农业科学》2024年第4期36-42,共7页Journal of Anhui Agricultural Sciences

基　　金：河北省高等学校科学技术研究项目(ZC2021002)。

摘　　要：以宁晋县为研究区,基于土地利用/覆被社会经济统计资料等数据,评估不同时期的生态系统服务价值,分析其损益变化权衡关系的时空规律。结果表明:1995—2019年生态系统多功能性、生产功能和生态功能整体呈先增加后减少;气候调节、养分固持、气体调节功能呈增加趋势;水源涵养功能明显下降;污染物容纳功能持续降低。耕地面积减少导致流失的生态系统服务最大。生态系统多功能性、生态功能、水源涵养功能与其他功能由协同关系变为权衡关系。Taking Ningjin County as the research area,base on the LUCC and social and economic statistics,the value of ecosystem services in different periods were estimated,the temporal and spatial change rule of the trade-off relationship between profit and loss were analyzed.The results showed that during 1995-2019,multi-functionality of ecosystem,production function and ecological function showed increased first and then decreased;the functions of climate regulation,nutrient fixation and gas regulation were showing an increasing trend;the water conservation function had significantly decreased;the pollutant containment function continued to decrease.The loss of ecosystem services caused by the reduction of cultivated land area was the most.Multi-functionality,ecological function,water conservation function and other functions of the ecosystem had changed from synergy to trade-off.

关 键 词：生态系统服务价值 权衡分析 时空演变 土地利用 

分 类 号：X171[环境科学与工程—环境科学]