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Invasive species may offer advanced phytoremediation of endocrine
disrupting chemicals in aquatic ecosystems

Rebecca J. Trueman1* and Luke Erber2.

Abstract
One of the major areas of advancement in environmental science is bioremediation. Researchers have beenusing bacteria, fungi, algae and now macrophytes to remove pollutants from aquatic and terrestrial ecosystems.Here we share the results of a study on the macrophyte uptake of xenoestrogens from an urban river. We foundthat the invasive curly leaf pond weed (Potamogeton illinoensis) accumulated an average of 66% higher levelsof estrogenic compounds and 94% more Bisphenol-A than the native Illinois pondweed (Potamogeton crispus)in an urban river, in the watershed for the greater Chicago, IL area. The invasive species accumulated 76%more estrone, 55% more 17 ?-estradiol and 31% more 17 ?-ethynylestradiol than the native species. The Nonnativeplants were also 72% larger than the native Illinois Pondweed. Managers may consider using invasivespecies to remove pollutants from ecosystems and restore ecosystem biogeochemistry.

Key words: Endocrine Disrupting Chemicals, Environmental Remediation, Invasive Species



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