Aquatic Invasive Species
Aquatic Invasive Species (AIS) are plants and animals
that occur in waters where they are not native. These
invasive species disrupt the natural ecology of the
body of water where they have been transplanted. AIS
almost always have a negative impact on the
waterway, it’s native species, and recreational and
commercial activities on the waterway.
AIS that have made headlines in recent years are; sea
lampreys, zebra mussels, Asian carp, Eurasian
watermilfoil, and lionfish. Many other examples of AIS
exist throughout the world’s waterways.
A common factor in most AIS infestations is that the
non-native species was introduced by human
activities. Some AIS were introduced by commercial
operations, such as bilge water discharge from ships.
However AIS can also be introduced through
recreational boating activities. The transportation of
recreational boats and water sports equipment
between waterways can be a major factor in the spread
of AIS.
Small pieces of plants or animals hanging from an
outdrive, trailer or wakeboard can transfer enough
biological material to establish an AIS in a new
waterway. The early reproductive stages of many AIS
are microscopic; small amounts of water in a bilge,
livewell, cooler or trapped in a compartment can
contain enough organisms to establish an infestation.
As responsible boaters and citizens each boat owner
should do their part to prevent the spread of these
aquatic hitchhikers. In many cases it is also required
by law (check the local regulations for any waterway
where you will boat).
Clean, Drain, Dry
Everything, everytime!
Before you leave the waterway where you have just
boated, follow the procedure below to help prevent the
spread of AIS.
Clean
Remove all aquatic plants, animals, and debris from
the boat, trailer and any watersports equipment.
Drain
Remove all water from the boat, including ballast,
bilge, livewell, engine, outdrive.
Dry
Allow the boat to completely dry before visiting any
other bodies of water.
Note:
Some localities may require more extensive
cleaning procedures. Check for local regulations.
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