Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/10052
Title: A mosaic community of macrophytes for the ecological remediation of eutrophic shallow lakes
Authors: Wang, GX
Zhang, LM
Chua, H
Li, XD 
Xia, MF
Pu, PM
Keywords: Aquatic macrophytes
Ecological remediation
Eutrophication
Mosaic community
Water quality
Issue Date: 2009
Publisher: Elsevier
Source: Ecological engineering, 2009, v. 35, no. 4, p. 582-590 How to cite?
Journal: Ecological engineering 
Abstract: The restoration of macrophytes in eutrophic shallow lakes has been the focus of active research in the past decade. The approach of building up a mosaic community of macrophytes (MCMs) to improve water quality and remediate the ecosystems of lakes is proposed in this paper. Several species of floating, floating-leaved, and submerged macrophytes were introduced in experimental enclosures in eutrophic shallow lakes. These macrophytes were intercropped in small patches and formed mosaic communities of spatial and temporal combinations (spatial and seasonal mosaic patterns) in the lakes. Macrophytes can improve water transparency quickly and the MCM system can stabilize this clear water state over a long time in turbid eutrophic shallow lakes. The constructed MCM created heterogeneous habitats that are favourable for different macrophytes and for the growth and succession of other organisms, as well as for removing water pollutants. When the eutrophic water flowed through the MCM system at a retention time of 7 days, the removal efficiency rates of the MCM system for algae biomass, NH4+-N, TN, TP and PO43--P were 58%, 66%, 60%, 72% and 80%, respectively.
URI: http://hdl.handle.net/10397/10052
ISSN: 0925-8574
DOI: 10.1016/j.ecoleng.2008.06.006
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