以重庆市38 处水库型饮用水源地为研究对象, 分析了其水质现状, 以及农田施肥、水土流失、畜禽养殖、底泥 污染等面源污染和生活污水、生活垃圾等点源污染对水源地的影响。在严格实行污染源控制基础上, 针对不同水质 现状类型水库, 提出了修复改善型与维持优化型等两种生态环境恢复策略, 建议采取人工湿地、植被缓冲带、水土保 持和水库清淤等生态修复措施, 保护水库型饮用水源地。

Thir ty2eight drinking w ater sources fr om r eservo ir in Chong qing City w ere selected to investig ate the cur rent w ater qualit y situatio n o f dr inking wat er so urces fr om reserv oir s, and the effects of no npoint source po llution, such as agr icultural fer2 tilizer, soil ero sion, livesto ck and poultry breeding , and sediment pollutio n, and po int sour ce po llution, such as sewag e and gar2 bage, on the dr inking w ater sources fr om reserv oir . In terms of different t ypes of reserv oirs, tw o str ateg ies of resto ration2im2 pro vement and ma int enance2o pt imizatio n wer e put fo rw ard to r esto re the ecolo gy in addition to the str ict co nt rol o n the pollutio n so ur ce. Ecolo g ical r esto ration measures and st rateg ies w ere a lso pr oposed to pro tect the dr inking w ater sources, such as con2 str ucted wetlands, r iparian buffer zo ne, soil water conser vation, and sediment dr edg e.

中央级公益性科研院所科研专项基金( Y515002; Y513001; Y513011; Y512009)