首页|Impacts of aquatic thrusters on submerged aquatic plants in Kawartha Lakes, Ontario, Canada
Impacts of aquatic thrusters on submerged aquatic plants in Kawartha Lakes, Ontario, Canada
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NETL
NSTL
Taylor & Francis
Aquatic thrusters are an emerging tool for waterfront landowners to control at a small scale of aquatic plants, algae, and ice cover. Their potential effects to shallow lake aquatic ecosystems remain understudied. During the summer of 2021, 3 aquatic thrusters were installed on docks within the Kawartha Lakes, Ontario, Canada, in a before-after control-impact approach. The aquatic thrusters were operational for 40d in July to August, 12h each night, in the shallow nearshore areas, at a fixed horizontal position. Aquatic thrusters significantly reduced plant surface area by 64.9%, floating cover by 70.1%, and plant biomass by 52.0-94.6% in front of the aquatic thrusters, extending approximately 10 m~2 into dense aquatic plant beds. Aquatic thrusters caused no significant changes to field water quality, which might have been a result of horizontal positioning of the aquatic thrusters that minimized turbulent water from impacting lake substrates. Further research is required given the potential for aquatic thrusters to affect the biological, physical, and chemical aspects of aquatic ecosystems.
NETL
NSTL
Taylor & Francis
