Boat Basics
True or False? Montana Fish, Wildlife & Parks does not operate all boat inspection check stations.
True, many different partners help run check stations across the state.
True or False? All non-native species are invasive.
How do Zebra and Quagga mussels attach themselves to hard surfaces?
Using byssal threads
How can invasive mussels impact recreational areas and shore lines?
Their shells can wash up on the shores and cut swimmers feet.
What 3 step process is required of all Montana boaters to prevent the spread of AIS?
CLEAN, DRAIN, DRY
It is non-native AND causes harm (environmental, economic, or human health)
How long can adult Zebra and Quagga mussels survive out of the water?
Up to 30 days (Depending on conditions)
How does invasive mussel filtration affect native fish populations?
Name 3 ways invasive species can be spread between lakes?
Boats, fishing gear, trailers, aquarium releases, ect.
True or False? If a fish or plant is sold in a pet store, it is safe to release it into the wild.
FALSE
What 2 bodies of water in Montana were invasive mussels detected in 2016?
Tiber and Canyon Ferry reservoir
How can dense aquatic plant mats change fish spawning habitat?
They alter substrate and oxygen conditions.
All non-resident boaters in Montana must purchase a ______ before launching.
Vessel AIS Prevention Pass
What aquatic species plant forms thick mats that tangle boat propellers?
Eurasian Watermilfoil
How did invasive mussels first get to North America?
In the ballast water of ocean going ships being transported into North America
How do invasive mussels affect hydropower facilities?
They can clog intake systems and increase maintenance cost.
When is inspection mandatory before launch for boats in Montana?
Entering the state, crossing west over continental divide, entering flathead basin
Why are invasive species often more successful in new environments than native species?
They lack natural predators, diseases, or competition
What are the 3 parts of a life cycle of Zebra and Quagga Mussels?
Stage 1: Veliger (larval)
Stage 2: Settlers
Stage 3: Adult
It's estimated that it would cost the state of Montana 230 million annually if invasive mussels were introduced to the state, name 3 sectors that would be affected.
Recreation, Irrigation/Agriculture, Hydropower/Infrastructure, Municipal drinking water systems, fisheries management