Phosphorus phytoremediation using selected wetland plants in constructed floating mats

Katy Chapman, Jennifer Boucher

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

Phosphorus (P) overloading in fresh water systems has a detrimental effect by increasing the speed of eutrophication. Phytoremediation is the use of natural plants to remove contaminants from the environment. In the current study, we tested five plants (Pteris vittata, Lemna minor, Rumex orbiculatus, Rumex verticillatus, and Typha × glauca) in the laboratory and field for phosphorus mitigation potential. In the field experiment, both root and shoot phosphorus content were evaluated, and in the laboratory study percent phosphorus removed was calculated. Our research showed in both experiments that T. glauca removed the most phosphorus (p < 0.05). In the field study, shoots of T. glauca removed on average 3.7 g P/plant, while the roots and shoots removed 12.67 g P/plant from water. In the laboratory study, the T. glauca removed 84% of the phosphorus from the water. Rumex verticillatus in both experiments had the next highest phosphorus removal rates (0.46 g P/shoot, 1.93 g P/plant (root + shoot), and 90% removal in the laboratory study). These results show great potential for T. glauca and R. verticillatus in the mitigation of phosphorus from fresh water systems.

Original languageEnglish (US)
Article number147
JournalApplied Water Science
Volume10
Issue number6
DOIs
StatePublished - Jun 1 2020

Bibliographical note

Publisher Copyright:
© 2020, The Author(s).

Keywords

  • Eutrophication
  • Mediation
  • Phosphorus
  • Phytoremediation

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