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Water Management Associations
Sound-Wave Emitting Buoy that Kills Algae
A company is setting up its first Florida test of a buoy that kills blue-green algae. The buoys emit low-level sound waves that disrupt a single-celled algae’s flotation controls, thus starving it of sunlight, said U.S. Division Director Greg Eiffert. To prevent adaptation, the buoys shift frequencies. They are solar powered and reportedly don’t kill fish or other plant life.

Starting in December, the first pilot project will be in an upscale subdivision outside Naples called Treviso Bay.  One buoy covers an open region of 50 acres. They have been shown to kill many types of single-cell algae, but need to be in a confined water body rather than an open-flowing coastline.

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Tahoe Native Plant Projects - In an effort to restore areas ravaged by wildfires and invading weeds Rena Escobedo with the US Forest Service and Jamie Greenough, a teacher at South Lake Tahoe High School are working together to grow supplies of native plants for use in the revegetative effort.

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