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Evaluation of algal bloom mitigation and nutrient removal in floating constructed wetlands with different macrophyte species. / Fenner, Nathalie; West, Mike; Gough, Rachel et al.
Yn: Ecological Engineering, Cyfrol 108, Rhif Part B, 11.2017, t. 581-588.

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Fenner N, West M, Gough R, Freeman C. Evaluation of algal bloom mitigation and nutrient removal in floating constructed wetlands with different macrophyte species. Ecological Engineering. 2017 Tach;108(Part B):581-588. Epub 2017 Awst 12. doi: 10.1016/j.ecoleng.2017.07.033

Author

Fenner, Nathalie ; West, Mike ; Gough, Rachel et al. / Evaluation of algal bloom mitigation and nutrient removal in floating constructed wetlands with different macrophyte species. Yn: Ecological Engineering. 2017 ; Cyfrol 108, Rhif Part B. tt. 581-588.

RIS

TY - JOUR

T1 - Evaluation of algal bloom mitigation and nutrient removal in floating constructed wetlands with different macrophyte species

AU - Fenner, Nathalie

AU - West, Mike

AU - Gough, Rachel

AU - Freeman, Christopher

PY - 2017/11

Y1 - 2017/11

N2 - Algal blooms resulting from the eutrophication of surface waters represent a significant ecological and water treatment issue. The potential for wetland systems to act as sinks for various types of pollutants indicates their potential for mitigating algal blooms. Although nutrient uptake in terrestrial treatment wetland systems has received substantial attention in the literature, relatively little is known about the mechanisms involved in floating constructed wetland (FCW) function for algal control and whether plant species can optimise performance. Here, the effect of FCWs on water quality including nutrient levels and algal biomass was investigated, along with the effect of planting with different species of macrophyte. All the planted FCWs showed significant potential for algal bloom mitigation in both hypereutrophic and mesotrophic systems; algal biomass control is proposed to be due to the direct uptake of nitrate and phosphate via macrophyte roots, rather than algaecidal effect of phenolic compounds. Dissolved organic carbon (DOC) release was found to differ between species, with implications for drinking water treatment.

AB - Algal blooms resulting from the eutrophication of surface waters represent a significant ecological and water treatment issue. The potential for wetland systems to act as sinks for various types of pollutants indicates their potential for mitigating algal blooms. Although nutrient uptake in terrestrial treatment wetland systems has received substantial attention in the literature, relatively little is known about the mechanisms involved in floating constructed wetland (FCW) function for algal control and whether plant species can optimise performance. Here, the effect of FCWs on water quality including nutrient levels and algal biomass was investigated, along with the effect of planting with different species of macrophyte. All the planted FCWs showed significant potential for algal bloom mitigation in both hypereutrophic and mesotrophic systems; algal biomass control is proposed to be due to the direct uptake of nitrate and phosphate via macrophyte roots, rather than algaecidal effect of phenolic compounds. Dissolved organic carbon (DOC) release was found to differ between species, with implications for drinking water treatment.

U2 - 10.1016/j.ecoleng.2017.07.033

DO - 10.1016/j.ecoleng.2017.07.033

M3 - Article

VL - 108

SP - 581

EP - 588

JO - Ecological Engineering

JF - Ecological Engineering

SN - 0925-8574

IS - Part B

ER -