Backcountry canoeing can introduce invasive species into pristine areas. Yet it is those remote areas that are less likely to have access to washing equipment. The Northern Forest Canoe Trail in New England has produced an excellent instructional video on the simple steps that all paddlers can take to prevent the transportation of invasive species when moving between remote waterbodies.
Eurasian Water-Milfoil:
Several cottager associations in Quebec have recognized the threat to waterbodies from invasive Eurasian Water-Milfoil, and have taken pre-emptive steps to stop it in its tracks. The following video was prepared by Karl Wockner of the Lake Louisa Property Owners Association in 2015: