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Curly Leaf Pondweed Harvesting Results
With all of the rainfall over the past three weeks or so, the topic of curlyleaf pondweed has kind of taken a back seat. However, as we enter the month of July, it is a good time to reflect on the results of the 2018 curlyleaf pondweed treatment and harvesting process.

Mechanical harvesting of East Okoboji and in Lower Gar initially began on May 13, but it was halted until May 16 to get more weeds closer to the surface.

During the 3½ weeks of mechanical harvesting, 321 loads of cut curlyleaf were transferred to shore with 200 cubic feet per load. The weight of the harvested (wet) curlyleaf was 15 pounds per cubic feet. This led to a total of 963,000 pounds of wet weight!

In all, more than 41 acres of boat lanes were cut with all of the curlyleaf hauled to shore and taken to a DNR approved dumpsite. Once the dumped curlyleaf has dried out, at least 80 percent will be ground up and mixed in a compost for use on gardens, etc.

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Wisconsin’s Efforts and Successes in Addressing AIS - Two online reports document progress made in 2011-12 in preventing the introduction and spread of invasive species in Wisconsin lakes, rivers, forests and wetlands. Invasive species such as the emerald ash borer, Eurasian watermilfoil and garlic mustard cost billions of dollars annually across the nation and threaten business sectors such as agriculture, tourism and forestry.

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