森林生态系统恢复力评价——以江西省莲花县为例

被引:25
作者
战金艳 [1 ]
闫海明 [1 ]
邓祥征 [2 ,3 ]
张韬 [1 ]
机构
[1] 北京师范大学环境学院水环境模拟国家重点实验室
[2] 中国科学院地理科学与资源研究所
[3] 中国科学院农业政策研究中心
关键词
森林管理; 生态系统恢复力; 生态存储; 组合赋权法; 莲花县;
D O I
暂无
中图分类号
S718.55 [森林生态系统];
学科分类号
071012 ; 0713 ;
摘要
生态系统恢复力是森林资源可持续发展的中心目标之一。在明确生态系统恢复力定义和尺度的基础上,分析了森林生态系统恢复力的影响因素,从生境条件和生态存储两方面遴选出26个指标,建立了森林生态系统恢复力评价指标体系,并以江西省莲花县为案例区,采用组合赋权法确定了指标权重,通过空间叠加计算了莲花县森林生态系统恢复力。结果表明:森林生态系统恢复力主要受内部存储的影响,其权重达到0.554。莲花县森林生态系统恢复力在0.103到0.464之间,平均值为0.268,恢复力达到或超过平均水平的森林面积为37 907 hm2,占森林总面积的49.2%,整体处于较低水平;分级结果表明仅48.16%的森林达到高或较高恢复力水平;在空间分布上,莲花县森林生态系统恢复力为南高北低,南部和中部的森林大多处于高或较高恢复力水平,北部地区大部分森林处于中等、较低或低恢复力水平。此外,恢复力高的森林沿乡镇边界线分布的特点非常明显。该研究结果可为森林资源管理提供重要科学依据。
引用
收藏
页码:1304 / 1315
页数:12
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