Vessel Equipped with UV Attacks Invasive Aquatic Plants at Tahoe PPP

Vessel Equipped with UV Attacks Invasive Aquatic Plants at Tahoe PPP

News Type: Regional Source: The Water Network
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A new control ​tool for ​aquatic ​invasive plants ​that clog ​waterways, ​reduce water ​clarity and ​provide cover ​for other ​invasive ​species at Lake ​Tahoe continues ​to show ​impressive ​results in its ​third year of ​testing. The ​tool is a light ​array mounted ​under a working ​barge, which ​trolls through ​the marina ​dousing the ​plants on the ​lake bottom ​with ultraviolet-​C light. ​

The ​technology, ​using the UV-C ​wavelengths of ​light to kill ​the plants, in ​this case ​Eurasian ​watermilfoil ​and curlyleaf ​pondweed, was ​developed by ​John J. ​Paoluccio, ​president of ​Inventive ​Resources, Inc. ​Aquatic ​invasive plants ​are one of the ​greatest ​threats to ​Tahoe’s ​clarity, ​ecology and ​recreation-​based economy. ​The pilot ​project showed ​that applying ​the light ​treatment ​caused invasive ​plants to ​deteriorate or ​completely ​collapse within ​seven to 14 ​days of ​treatment. ​

The UV-C ​light is a ​short-wave ​electromagnetic ​radiation light ​that damages ​the DNA and ​cellular ​structure of ​aquatic plants ​and their ​fragments. ​