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Aquatic Invasive species are plants, animals and pathogens that are "out of place." A species is regarded as invasive if it has been introduced by human action to a location, area, or region where it did not previously occur naturally (i.e., is not native), becomes capable of establishing a breeding population in the new location without further intervention by humans, and spreads widely throughout the new location. [above definition is quoted from the WI DNR website]

Bone Lake AIS Map

Bone Lake Protection

Invasive Species

Aquatic invasive species (AIS) have been hitchhiking their way into Wisconsin for decades. By water, boat, and by land — from around the planet — non-native organisms have been moving into inland waters. Aquatic invasive species can threaten the diversity and abundance of native species, alter ecosystems and affect our economy and recreational activities. In today’s world, invasives can move at “the speed of flight.” 

Aquatic invasive plants and animals like Eurasian Water Milfoil, Curly Leaf Pondweed, Rusty Crayfish and Zebra Mussels are easily transported by boats and equipment as boaters travel from one lake to another. 

In order to prevent their spread, it is important for all of us to follow these preventative steps. Be diligent! Some plants and animals can be very small, hidden within mud or live wells. Even small fragments, roots or seeds transported by your boat can grow and infest another lake.

Please take these steps to help curtail the spread of invasive species. Try not to visit more than one body of water in one day and clean your equipment thoroughly — especially if you have used your boat in infested waters.

  • Inspect and remove aquatic plants, animals and mud from your boat, trailer and equipment.
  • Drain all water from your equipment (boat, motor, bilges, transom wells, live wells).
  • Ice your catch. Don’t transport live fish from one waterbody to another.
  • Dispose of unwanted bait in the trash, not on land, not in the water.
  • Rinse your boat and equipment with hot (>104°F) and/or high pressure water, and/or dry your boat and equipment thoroughly (in the sun) for five days.
  • Check your boats, docks and lifts for zebra mussels when you remove them from the water in the fall (or during the summer).

These laws have been written and adopted to protect our water resources from invasive species.

State of Wisconsin NR 40:
1.  Prohibits the transportation of any vehicle, including boats and trailers, on a public highway with aquatic plants or aquatic animals attached, and

2. Requires removal of aquatic plants and aquatic animals and draining of all water from any such vehicles or equipment immediately upon removal from the water and before leaving any boat launch or parking area, and

3. Prohibits the placing of any boat, vehicle or equipment into waters of the state (statewide) if they have any aquatic plants or aquatic animals attached.

Polk County Ordinance 10-08:
Prohibits launching or operating on a public roadway any boat, boat trailer, or hunting, trapping, fishing, or boating equipment, including canoes, lines, anchors, nets, decoys, and waders if aquatic plants or invasive animals are attached.

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