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Study on Rehabilitation of Small Landscape Pond and Its Grey Water Footprint Sink at High Spatiotemporal Resolution
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    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 (WFgrey sink) 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 CODCr reached 67.51%, and the concentration of Chl.a decreased to 0.98 μg·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.

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  • Received:
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  • Online: December 27,2016
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