How do Invasives Spread?

1.  Ship ballast water

2.  Ornamental escapes
3.  Firewood

4.  Watercraft & trailers
5.  Vehicles

6.  Gear and equipment

7.  Release of fishing bait

8.  Aquarium escapes

9.  Intentional introductions

10.  Contaminated fill and seed

11.  Interconnected water bodies

12.  Road & trail corridors

13.  Wood shipping products