Impact of plant assemblages on nutrient removal in constructed wetlands

Ralph E. Spayd, Shirley E. Clark, Katherine H. Baker

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


Four different mesocosm scale constructed wetlands - monoculture (Carexstipata), self-designed (passive) community, mixed planted monoculturepassive community and a non-vegetated control were compared to assess the effects of plant community composition on the removal of inorganic nutrients from agricultural runoff (synthetic tile water). The mixed and self-designed systems consistently produced effl uent NO3-N concentrations signifi cantly below 10 mg/L, and had higher rates of evapotranspiration. Results indicate the type and composition of the plant community can impact the performance of constructed wetlands. Therefore, self-design of the plant community through the existing seed bank may increase the effectiveness of wetlands in treating agricultural runoff.

Original languageEnglish (US)
Pages (from-to)315-322
Number of pages8
JournalInternational Journal of Environment and Waste Management
Issue number3
StatePublished - 2013

All Science Journal Classification (ASJC) codes

  • Environmental Engineering
  • Waste Management and Disposal


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