Polynuclear aromatic hydrocarbons (PAHs) differentially influence growth of various emergent wetland species

Journal of Hazardous Materials
Zhenhua ZhangKathy Meney

Abstract

The growth of emergent wetland plants may be influenced by toxic organic pollutants, which would influence the extent of phytoremediation when used in constructed wetlands. A series of glasshouse experiments were conducted to investigate the influence of polynuclear aromatic hydrocarbons (PAHs) on the growth of various emergent wetland species. The response of species to PAHs varied significantly. A significant interaction (species x PAH treatment) was observed for relative growth rates (RGRs) of Baumea juncea, Baumea articulata, Schoenoplectus validus and Juncus subsecundus in hydroponics with naphthalene, and of B. juncea and J. subsecundus in soils freshly spiked with phenanthrene and pyrene. In hydroponics, biomass of B. articulata significantly increased in the treatments with relatively low addition of naphthalene, whereas that of S. validus significantly increased with all naphthalene additions. In both hydroponics and soils, the growth of B. juncea increased with the PAH (phenanthrene and pyrene) additions, whereas that of J. subsecundus decreased in the treatments with relatively high concentrations of PAHs. The removal of PAHs from soil was not affected significantly by J. subsecundus after 70 days of growth and B. ju...Continue Reading

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Citations

Aug 1, 2013·Environmental Science and Pollution Research International·Nejla HechmiNaceur Jedidi
Mar 19, 2013·Journal of Hazardous Materials·Israa Abdulwahab Al-BaldawiMushrifah Idris
Mar 4, 2011·Journal of Hazardous Materials·Zhenhua ZhangRadmila Tomanovic
Jun 15, 2011·Marine Pollution Bulletin·Susana Redondo-GómezJuan Cornejo
Jul 17, 2020·International Journal of Phytoremediation·Nasreen JeelaniShuqing An
Mar 23, 2017·International Journal of Phytoremediation·Weisong PanLong Ge
Jan 10, 2021·Scientific Reports·Shimei GeXinjiao Dong
Jul 1, 2019·Ecotoxicology and Environmental Safety·Jennifer Mesa-MarínSusana Redondo-Gómez
Nov 28, 2017·Chemosphere·Anithadevi Kenday SivaramMallavarapu Megharaj
May 26, 2021·The Science of the Total Environment·Congcong ZhaoQian Wang
Jun 26, 2021·Environmental Science and Pollution Research International·Lulu ChaiZhonghua Wu
Jan 4, 2017·New Biotechnology·Evdokia SyranidouNicolas Kalogerakis

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