摘要
金沙江流域是长江上游生态安全屏障,也是我国重要的水能基地。本研究基于金沙江下游水库消落带生境特征、植物自身遗传特性和生态治理技术,探索了适宜库区消落带的生态修复模式。结果表明:消落带环境适应能力较强及抗逆性潜力较大的植物主要包括池杉、桑树、秋华柳、狗牙根等;植物措施+工程措施(如浆砌石挡墙和土工格栅等)在保土固土和提升消落带植物成活率方面作用较为显著;消落带生态修复提升模式应综合考虑植物生态学特征和外界影响因素,因地制宜地设置,从而提高消落带生态治理效果。本研究对金沙江下游水库消落带生态治理与环境改善技术研究具有重要指导意义。
The Jinsha River basin is an ecological security barrier in the upper reaches of the Yangtze River,and also an important hydropower base in China.Based on the habitat characteristics,plant genetic traits,and ecological management techniques in wa⁃ter-level-fluctuation zone of reservoir in the lower reaches of Jinsha River basin,this study explored the ecological restoration mod⁃el suitable for the reservoir in water-level-fluctuation zone.Plants with strong adaptability to the environment and great potential for stress resistance in the water-level-fluctuation zone mainly includeTaxodium distichum var.imbricatum(Nuttall)Croom,Morus alba L.,Salix variegata Franch.,andCynodondactylon(L.)etc.Plant measures combined with engineering measures(such as mason⁃ry retaining walls and geogrids,etc.)has a significant effect on soil stabilization and improving the survival rate of plants in the wa⁃ter-level-fluctuation zone.The ecological restoration and improvement mode of the water-level-fluctuation zone should comprehen⁃sively consider the characteristics of plant ecology and external influencing factors and adapted to local conditions to improve the ecological governance effect of the water-level-fluctuation zone.These research outcomes are of substantial significance for the eco⁃logical governance and environmental improvement technology research in water-level-fluctuation zone of reservoir in the lower reaches of Jinsha River basin.
作者
金可
卢阳
张乾柱
万丹
吴颐杭
胡月
JIN Ke;LU Yang;ZHANG Qianzhu;WAN Dan;WU Yihang;HU Yue(Chongqing Branch Institute,Changjiang River Scientific Research Institute,Chongqing 400026,China)
出处
《三峡生态环境监测》
2025年第1期25-33,共9页
Ecology and Environmental Monitoring of Three Gorges
基金
中央级公益性科研院所基本科研业务费项目(CKSF2023299/CQ)
湖北省水利科研项目(HBSLKY202405)
乌东德、白鹤滩水电站消落带修复试验项目合同(JG/19042B,JG/19043B)。
关键词
消落带
金沙江下游
植物配置
生态修复
water-level-fluctuation zone
lower reaches of Jinsha River basin
plant configuration
ecological restoration
作者简介
金可,高级工程师,博士,主要从事水文地球化学和生态修复研究。E-mail:jin55669987@163.com。
