Floating Treatment Wetlands Receiving Pesticide Mixtures (Completed)

Significance:

  • Neonicotinoid pesticides are ubiquitous in both urban and agricultural streams

  • Cause paralysis and death to non-target organisms, such as honeybees, through photo-transformation resulting in highly toxic byproducts

Objective:

  • Evaluate the implications of pesticides on nitrogen removal and pesticide toxic byproduct formation in floating treatment wetlands

Hypothesis:

  • Floating treatment wetlands will remove insecticides will limit nitrogen removal.

Conclusions:

  • Pesticides added to floating treatment wetlands have the potential to be removed and enhance nitrate removal.

Funded: NSF EPSCoR and Daughtery Water for Food Institute

Publication:

Lindgren, J.K., Messer, T.L., Miller, D.N., Snow, D.D., and Franti, T. 2022. Neonicotinoid Pesticide Contamination Does Not Affect Nitrate Removal in Floating Treatment Wetlands. Journal of Environmental Quality, 1-13. doi: 10.1002/jeq2.20411

Graduate Student: Julia Lindgren

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Floating Treatment Wetlands Receiving Antibiotic Mixtures (USDA-NIFA Funded - Completed)