Articles | Volume 14, issue 4
Research article
20 Feb 2017
Research article |  | 20 Feb 2017

Aquatic macrophytes can be used for wastewater polishing but not for purification in constructed wetlands

Yingying Tang, Sarah F. Harpenslager, Monique M. L. van Kempen, Evi J. H. Verbaarschot, Laury M. J. M. Loeffen, Jan G. M. Roelofs, Alfons J. P. Smolders, and Leon P. M. Lamers

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Manuscript not accepted for further review
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Cited articles

Barko, J. W. and Smart, R. M.: Mobilization of sediment phosphorus by submersed freshwater macrophytes, Freshwater Biol., 10, 229–238, 1980.
Best, M. D. and Mantai, K. E.: Growth of Myriophyllum: sediment or lake water as the source of nitrogen and phosphorus, Ecology, 59, 1075–1080, 1978.
Biswas, S. and Sarkar, S.: Azolla cultivation: a supplementary cattle feed production through natural resource management, Agric. Update, 8, 670–672, 2013.
Brix, H.: Functions of macrophytes in constructed wetlands, Water Sci. Technol., 29, 71–78, 1994.
Brix, H.: How “green” are aquaculture, constructed wetlands and conventional wastewater treatment systems?, Water Sci. Technol., 40, 45–50, 1999.
Short summary
Aquatic macrophytes can be used for wastewater polishing but not for purification. At a low nutrient loading M. spicatum and A. filiculoides performed equally well for P removal, whereas at loads ≥ 22 mg P m−2 d−1, A. filiculoides removes P more efficiently. We provide an easily applicable method to select efficient macrophytes species for wastewater polishing, which is essential for decision support in water management using constructed wetlands for nutrient removal by plant harvesting.
Final-revised paper