人为干扰对西南喀斯特小流域生态恢复的影响  

Effects of Human-Induced Disturbance on the Ecological Restoration in Karst Small Watershed of Southwest China

作　　者：张红玉[1] 杨勇 李勇 

机构地区：[1]贵州师范大学生命科学学院,贵州贵阳550001 [2]贵州省水土保持监测站,贵州贵阳550002

出　　处：《西南林业大学学报（自然科学）》2014年第6期91-97,共7页Journal of Southwest Forestry University：Natural Sciences

基　　金：国家自然科学基金项目(31260152)资助;贵州省科技计划项目(黔科合SY字(2012)3026号)资助;贵州省水利厅科研项目(KT201106)资助

摘　　要：对退化生态系统的恢复,是喀斯特生态脆弱区域社会经济发展的重要保障。农业生产活动、石漠化治理、土地利用方式等,共同构成了影响喀斯特小流域生态系统退化和恢复的人为干扰因素。在前人对喀斯特石漠化小流域生态治理相关研究的基础上,以生态系统组成要素和生态恢复动态过程为出发点,分析并探讨人为干扰对于植被、土壤、凋落物、土壤生物结构、功能和多样性的扰动。提出生态治理和生态建设应注意对生态系统要素的维持和丰富,并加强对生态系统整体恢复和生态过程的研究,从而更好地促进喀斯特石漠化小流域生态系统的恢复。Ecological restoration is an important ecological security for Karst ecological fragile region to develop social economy.Agricultural production activities,rocky desertification control and land utilization way were the main human-induced disturbance factors,which affected ecosystem degradation and restoration in Karst small water-shed.Based on the previous research on the ecological development and ecological management,made the compo-nents of ecosystem and the process of the restoration as the starting point,this paper analyzed the effects of human-induced disturbance on the vegetation,soil,litter,soil biological structure,function and diversity.Ecological man-agement should pay more attention to constantly maintain and rich ecosystem elements,and strengthen the study of the ecological process and the “integrity”recovery of degraded ecosystem,and then restart and promote ecological restoration in Karst small watershed.

关 键 词：生态恢复 人为干扰 生态治理 退化生态系统 喀斯特小流域 

分 类 号：S718.55[农业科学—林学]