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Debate Continues on Muck and Milfoil on Little Lake
Experts allege that the muck and dense vegetation on the bottom of Little Lake St. Catherine and the water body as a whole can be cleared up using aeration technologies, despite claims from state experts who say they have no proof that it will.

“Most people would not use aeration to reduce sediment in a lake,” said Dr. Alex Horne, professor emeritus at the University of California, Berkeley. “But it does work under some circumstances, and in this specific case, there is evidence that aeration has reduced the lake.”

Horne, who has been studying and examining water bodies since 1964, said the buildup of cellulose at the bottom of a lake — such as withered and sunken milfoil, weeds and other vegetation — can be broken down by bacteria, but only if oxygen is able to get to it, which is why introducing oxygen to lake systems has proven to speed the decomposition process.

 
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Drones Used to Aid in Plastic Pollution Research - Race for the Water, a Swiss marine research expedition focused on plastic pollution, last week announced its plan to collect and analyze samples of plastic found on the world’s most remote island beaches. Over a trip of 40,000 nautical miles, the crew will use drones to conduct its work. Those drones will fly over beaches to collect information on how much plastic has collected there.


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