重点脆弱生态区生态系统服务权衡与协同关系时空特征

被引:49
作者
王晓峰 [1 ,2 ]
马雪 [1 ]
冯晓明 [3 ]
周潮伟 [1 ]
傅伯杰 [3 ,4 ]
机构
[1] 长安大学地球科学与资源学院
[2] 陕西省土地工程重点实验室 
[3] 中国科学院生态环境研究中心城市与区域生态国家重点实验室
[4] 不详
基金
国家重点研发计划;
关键词
重点脆弱生态区; 生态系统服务; 权衡与协同; 生态恢复;
D O I
暂无
中图分类号
X171 [生态系统与污染生态学];
学科分类号
摘要
目前,有关生态系统服务权衡与协同关系的研究多集中在局地尺度,在宏观尺度上的研究较少。重点脆弱生态区是我国改善生态环境的主要目标区域,在定量评估我国重点脆弱生态区1990—2015年土壤保持、植被净初级生产力(NPP)和产水服务的基础上,利用相关系数法并结合植被分布场数据对生态系统服务权衡与协同关系进行研究。结果表明:(1)26年间,重点脆弱生态区的土壤保持服务、NPP、产水服务呈现出南多北少的分布格局,且3种服务的年际变化较小,但均有上升的趋势;(2)重点脆弱生态区的3种生态系统服务之间是整体上协同,局部权衡的关系,并且协同关系呈减弱的趋势;(3)生态恢复区的生态系统服务的协同程度大于非生态恢复区,权衡关系减弱的动态变化趋势高于非生态恢复区。定量评估生态系统服务权衡与协同关系的时空特征,有利于研究生态系统服务之间相互关系在时间上的非线性和空间上的异质性,对重点脆弱生态区生态系统的可持续发展具有重要意义。
引用
收藏
页码:7344 / 7355
页数:12
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