河道整治工程对长江干流水生态的影响及应对措施

——以长江干流江西段崩岸应急治理工程为例

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Impact and Countermeasures of River Regulation Projects on the Aquatic Ecosystem of the Main Stream of the Yangtze River Taking the Emergency Governance Project of Bank Colapse in the Jiangxi Section of the Yangtze River as anExample LI Yu1 ，DUAN Guang-fu2，HU Xiao-yan² etal（1. Integrated Management CentreofChangjiang WaterResources Commision，Wuhan， Hubei 43oo1O;2. Changjiang Survey Planning Design and Research Co．，Ltd.，Wuhan，Hubei 430010）

AbstractTakingtheemergencygovernanceprojectofbankcollpseintheJiangxisectionoftheYangtzeRiverasanexample，thispaper systematicallalysthempactofveulationproetsotequaticossteofteangeRiveatrandpropsaete countermeasures.Theresultsshowthatthiverregulationprojectcanefectivelymaintainthestabiltyofteriverrgimeandesureflood safetythroughthcostructiondiforementofbankprotetioHowever，tewaterelatedoeratiosduringteostructiondlead toasignificanticeaseitoncerationofsspededsoldsineloalwateeaTeintefereeofsuspenddsolidndbiatdis turbancehaveshorttedveeectsontereproductionandabiatofquatcoganssItispreditedtattelossofpktons 1.782tons，laktisO319sntcanisis59tsdfsfrsbout5.ouhteorehsiveprot temof“avoidance-restoratio-compensatio-monitoring”，andbytakingcomprehensivemeasuressuchasavodingconstructioduringthe bredingperideirtifialshstsmpesatigfsrysocsndologicalstoratiopactftepott quatic ecosystem of the Yangtze River main stream can be controlled within an acceptable range.

eywordsRiver regulation project; Biomass impact;Ecological compensation measures

长江作为中华民族的母亲河，不仅承载着重要的航运、供水、发电等功能，更孕育了丰富而独特的水生态系统，其生态健康关乎国家生态安全与可持续发展全局[1]。（剩余7741字）