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Aquatic Weed Wars
Invasive aquatic plants are choking the life out of waters in Maine and other Northeastern states. Eurasian milfoil and water chestnut is just a couple of the plants that are taking over the lakes and there is very little that can be done to eradicate the plants once they have become firmly established.

As non-native species, the invasive aquatic plants don’t face the parasites and predators that keep native flora in check, and so, when they infect a lake they not only grow rapidly, but they crowd out other plant life, destroying fish habitat.

There is no easy fix to battle these plants either. Sunlight blocking mats impede their growth, but also hurt native plant life as well. Weevils, a biological approach, will eat the plants, but these little bugs are expensive at $3 to $5 each. Herbicides affect native plant life and carry some risk for people and fish too. Mechanical harvesting is sometimes the best that can be done, cut them down annually and to keep them in check and the lake usable.

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Boat Ban to Stop the Spread of Hydrilla - A surface water use restriction which bans the use of boats in Davis Stream is effective immediately and will run through ice formation. Next spring, the departments will jointly consider whether to reissue the restriction. Under the order, no watercraft may enter or travel this reach of Davis Stream except in emergency situations or when the environmental department ad endorsed volunteers are doing survey or removal work related to the hydrilla infestation.

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