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Invasive Species Action Center, Portage Lake Watershed Forever
The battle against Invasive Species on Portage Lake has begun! We have two primary threats at this time - Phragmites (pronounced frag - MY - tees) and Eurasian Water Milfoil.

Earlier this year, the township board contracted an aquatic consulting company for about $7,000 per year. A one year contract has been signed and a survey and recommendations are planned.

In the May 2009 township board meeting, a resolution to tentatively create a special assessment district was passed. A millage to fight invasive species is being considered. We have had 3 community educational meetings this year, May 21st, June 24th and July 14th. For more information, see the Initial FAQ and the 2nd FAQ.

Two formal public comment meetings are planned - Monday July 27th or Tuesday August 11th. A 3rd FAQ from the July 27th session is available here that describes the Special Assessment District.




Phragmites Video courtesy of Beaver Island, Peaine Township

A demonstration project behind Farr Center was done late last year to spray and subsequently burn a large stand of phragmites. It showed we can pretty much wipe out phragmites if we have a sustained program. We need to keep this up if we don't want our lake taken over by these invasive reeds. See the video above for what is being done at Beaver Island, Michigan.

The invasive species committee recently addressed questions on how the aquatic herbicide treatments might affect the Portage Lake Fishery.

Older newletters:


   
 
           

Related Links:

USDA Invasive Aquatic Species

Phragmites.Org - Harsens Island Project

Charlevoix Conservation District Phragmites Page

Safety Video on Aquatic Herbicides







    Want to control your own Phragmite stand? You would need to do it the right way or you will make the problem worse! NEVER do mechanical cutting as this only spreads the weeds. There is also the potential to overuse the herbicides or to poison yourself. For these reasons, the township invasive species committee is not recommending doing it yourself. Instead, the best practice is to institute a program for the entire lake.

If despite this you'd like to control your own Phragmites, you would spray Shoreklear Plus on the stand in late August - Mid September. any spraying over water requires a DEQ permit. ShoreKlear Plus can be purchased at Tractor Supply in Traverse City for about $55 per gallon. Call ahead for availability though or to pre-order. A gallon will usually do a person's lakefront lot with much to spare.

Then, next March/April timeframe, the phragmites stand should be burned. It doesn't cut easily at all yet it burns fast in windy conditions if you leave it standing.

If necessary, repeat the entire process following year until completely eradicated.
 
           

OTHER RESOURCES:

Phragmites Brochure


Portage Lake
Invasive Species FAQ #1

Portage Lake Invasive Species FAQ #2

Portage Lake Invasive Species FAQ #3 (includes Special Assessment District)

Lakeshore
Environmental
Report (to be posted soon)

Website Developed by the Portage Lake Association