白洋淀菹草对富营养化水体总磷的净化  

Total phosphorus removal from eutrophic water in Baiyangdian Lake by Potamogeton crispus

作　　者：任文君[1] 胡晓波[2] 刘霞[1] 宁国辉[1] 田在锋 谢建治[1] 

机构地区：[1]河北农业大学资源与环境科学学院,河北保定071001 [2]河北省环境科学研究院,石家庄050000

出　　处：《应用生态学报》2011年第4期1053-1058,共6页Chinese Journal of Applied Ecology

基　　金：国家水体污染控制与治理科技重大专项(2008ZX07209-008-005,2008ZX07209-007-05);国家科技支撑计划项目(2007BAD87B04)资助

摘　　要：利用白洋淀区域鲥鯸淀、王家寨和小淀3个淀区的水体、底泥和菹草组成室内静态的模拟生长体系,研究白洋淀菹草在不同水体及底泥环境下的生长状况,以及不同菹草生长体系对水体总磷的净化效果.结果表明:鲥鯸淀菹草生长体系对水体总磷的净化效果最佳,最大去除率为87.9%,单位生物量对水体总磷的最大去除率为2.2%;王家寨和小淀菹草生长体系对水体总磷的最大去除率分别为47.4%和76.9%,单位生物量对水体总磷的最大去除率分别为0.9%和1.4%.3个菹草生长体系的底泥对水体总磷吸附的最大百分比分别为9.1%、7.4%和7.7%.菹草生长体系的TP-t和v-t拟合方程表明,水体中总磷浓度及其去除速率随时间的延长以负指数形式衰减.Taking the water,sediment,and Potamogeton crispus collected from Shihoudian,Wangjiazhai,and Xiaodian in Baiyangdian Lake area into laboratory,three simulated static systems were built to study the growth of P.crispus and its effect on the removal of total phosphorus from eutrophic water and sediment.Among the three systems,Shihoudian system had the best purification effect,with the removal efficiency of total phosphorus from water body being 87.9%,followed by Wangjiazhai system 47.4%,and Xiaodian system 76.9%.The largest total phosphorus removal efficiency per gram biomass in Shihoudian,Wangjiazhai,and Xiaodian systems was 2.2%,0.9%,and 1.4%,and the largest total phosphorus adsorption rate of sediments was 9.1%,7.4%,and 7.7%,respectively.The TP-t and v-t fitted equations of the three systems indicated that the total phosphorus concentration in water and the removal rate of the total phosphorus were negatively exponentially decreased with time.

关 键 词：菹草 白洋淀 富营养化水体 总磷 净化 

分 类 号：X173[环境科学与工程—环境科学]