Watermilfoil Reduction in Four Michigan Inland Lakes

Excerpt from: Inversion Oxygenation and Bioaugmentation Reduces Invasive Eurasian Watermilfoil Growth in Four Michigan Inland Lakes

Prepared by: Jennifer L. Jermalowicz-Jones  Ph.D. Candidate, Restorative Lake Sciences


  • Each of the 4 studied lakes showed significant reductions in EWM due to aeration
  • Two of the studied lakes with > 75% reduction in EWM had significant reduction in sediment ammonia, inorganic nitrogen, and % organic matter
  • In Paradise Lake, the EWM polygons were “broken” up and there was a complete absence of a canopy since aeration began but acreage has declined from 100 acres in the West Basin to currently 58 acres
  • This research suggests possible sediment nitrogen and organic nutrition mechanisms that occur from aeration + bioaugmentation which appears to affect the nutrition of milfoil on certain sediment types.
  • The research/mechanisms suggest the aeration systems affects the nutrition of Milfoil and certain sediments.
  • Bioaugmentation reduces nitrogen and organic nutrients.

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Milfoil Reduction on 4 Michigan Lakes

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The following bioaugmentation products are beneficial for all water bodies to reduce nutrients, improve water quality, reduce organic muck and stimulate beneficial diatom growth that will convert nutrients into healthy food for fish.  Best results are achieved with our aeration and oxygenation system.