期刊
ECOLOGICAL ENGINEERING
卷 61, 期 -, 页码 582-592出版社
ELSEVIER
DOI: 10.1016/j.ecoleng.2013.06.023
关键词
Free water surface constructed wetlands; Macrophytes; Common reed; Cattail; Wastewater
资金
- Environmental Aspects of Sustainable Development of the Society from the Czech University of Life Sciences Prague [42900/1312/3114]
Constructed wetlands with free water surface (FWS CWs) have been used for many purposes worldwide. Emergent macrophytes play important roles in FWS CWs; they reduce wind speed and thus support sedimentation and prevent re-suspension, provide substrate for periphyton and bacteria, take up nutrients and in carbon-limited systems provide carbon for denitrification during biomass decomposition. It has been reported that treatment performance of planted FWS CWs is superior to unvegetated lagoons. However, treatment performance of FWS CWs could be affected by plant species used. The literature survey of 643 FWS CWs from 43 countries recorded 150 plant species and revealed that the most commonly used macrophyte genera were Typha, Scirpus (Schoenoplectus), Phragmites, Juncus and Eleocharis. In terms of species, most frequently used species were Typha latifolia, Phragmites australis, Typha angustifolia, Juncus effusus, Scirpus lacustris, Scirpus californicus and Phalaris arundinacea. In terms of continents, P. australis is the most frequent species in Europe and Asia, T. latifolia in North America, Cyperus papyrus in Africa, P. australis and Typha domingensis in Central/South Americas and Scirpus validus (S. tabernaemontani) in Oceania. (C) 2013 Elsevier B.V. All rights reserved.
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