【摘要】 将搭载土著生态组成的叠层生境系统（Laminated Habitat System,LHS）嵌入富营养化景观塘池,以发生水华的氮、磷经验阈值为基准,研究了高时空分辨条件下LHS对塘池水质及其灰水足迹"汇"变的作用,并综合分析了实验生境的改善.结果表明:室外静态条件下,嵌入LHS至模拟景观塘池20d后,塘池水质改善明显,TP去除率可达81.01%,TN,NH₄⁺-N,NO₃^--N去除率分别为77.10%,88.82%,84.12%;CODCr的处理率达67.51%;Chl.a质量浓度降至0.98μg·L^-1;Chl.a质量浓度及浊度降至了初始值的10%以下;模拟景观塘池灰水足迹降至初始态的22.9%.LHS利于景观塘池水质和生态系统改善,益于藻型塘池向草型塘池转变及塘池灰水足迹"汇"增.本研究提供了灰水足迹理论指导下的景观塘池生态修复新思路.更多还原

【Abstract】 The Laminated Habitat System(LHS)composed of indigenous species was designed and embedded into a Small Experimental Landscape Pond(SELP).The variation of water quality,eco-habitat and the sink of grey water footprint(WFgreysink)for the SELP at high spatiotemporal resolution were measured statically outdoor for 20 days.The results showed that the removal efficiencies of TP,TN,NH4+-N,and NO3--N reached 81.01%,77.1%,88.82%and 84.12%,respectively,while the removal efficiency of CODCrreached 67.51%,and the concentration of Chl.a decreased to 0.98μg·L-1.The turbidity reduced to about 10% of its original level,while 22.9%for the sink of grey water footprint.The LHS acted excellently in improving water quality and rehabilitating the eco-habitat,and promoted the eco-succession of SELP from algal-dominated to macrophyte-dominated.Moreover,this study provided a new idea for Landscape Pond ecology maintenance in the light of Grey Water Footprint theory.更多还原