Aquatic Vegetation Management Plan
Submitted by Pat Wiltshire, Chair, Water Quality Committee
Under contract with our lake association and funded partially by a LARE grant, Davey Resource Group, Inc. (DRG) has completed an update to the Aquatic Vegetation Management Plan (AVMP) for Oliver, Olin and Martin lakes for the 2014 season. Click the following link to view the full report:
Highlights of Report:
- In 2014 DRG staff treated a total of 15.63 acres on the three lakes for two invasive species of weeds, Eurasian Water Milfoil and Curly Leaf Pondweed. This represents 34% less acreage than was treated in 2013.
- Spiny Naiad, also an invasive, appeared in over 15% of weeds samples on Oliver Lake and will need to be closely monitored in 2015. Like EWM, the weed can be quickly spread by fragmentation and its growth is best constrained by chemical treatments in the early Spring just after invasive species have bloomed but before the desirable native species do.
- Tables outlining six years of survey and/or treatments for each lake begin on Page 18. The numbers seem to indicate that the overall weed population (both native and non-native/invasive) has seen some decline, however, much of the decrease occurred in years between 2008 and 2012, when no systematic weed treatments were done on all three lakes and their channels.
- Members of our Water Quality Improvement Committee have submitted an application for a 2015 LARE grant for an AVMP update and an invasive weed treatment program. We will learn if we have been awarded a grant sometime in March. Once the Spring weed survey is completed, decisions can be made regarding specific treatments.
- Oliver and Martin Lakes property owners who may consider applying for DNR permits to treat weeds on water adjacent to their properties are encouraged to contact either Patrick Wiltshire or Rob Bollinger of the WQI Committee to discuss and coordinate plans in this time frame. Doing so will reduce the possibility of over-treating our lakes and possibly wasting money. Please note that any property owner with riparian rights can treat up to 625 square feet of a lake or channel without a permit.
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