Introduction to Aquatic Invasive Species (AIS)

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Presentation transcript:

Introduction to Aquatic Invasive Species (AIS)

Outline for Today Introduction to Aquatic Invasive Species (AIS) AIS Jeopardy! How to inspect a boat Video Contest Announcement

Aquatic Invasive Species "exotic", "alien", and "non-native" means the species does not naturally occur here "native" plants occur naturally and are fully integrated into the ecosystem Not all non-native species are harmful Invasive species disrupt the natural ecosystem, out-compete native plants and take over large areas.

Aquatic Invasive Species "exotic", "alien", and "non-native" means the species does not naturally occur here "native" plants occur naturally and are fully integrated into the ecosystem Not all non-native species are harmful Invasive species disrupt the natural ecosystem, out-compete native plants and take over large areas.

Where MN AIS Came From

Invasive Plants of Minnesota Form dense mats that make boating and swimming difficult Form a large mono-culture that degrades habitat Flowering Rush Curly-leaf Pondweed

Invasive Plants of Minnesota Form dense mats that make boating and swimming difficult Form a large mono-culture that degrades habitat Eurasian Watermilfoil Starry Stonewort Native vs. Invasive

Testing for Plants

Zebra mussels D-shaped shell Brown stripes ¼ - 1 ½ inches long Females produce up to a million eggs per year Byssal threads attach to hard objects

Zebra mussels Impacts Cut feet on beaches Clog irrigation pipes Clog boat motors Harm fisheries Mille Lacs Lake bottom, 2012

Zebra mussels Minnesota 2017

Testing for Zebra mussels veliger

Testing for Zebra mussels

Knocking on our door… Rusty Crayfish Spiny waterflea Viral hemorrhagic septicemia (VHS) Asian carp 6

Otter Tail County

Minnesota Laws You must let any water-related equipment (dock, lift, swim raft) sit out for 21 days before putting in another water body YOU MAY NOT Travel down the road with your boat plug in Move plants or AIS from one lake to another Transport water from one lake to another

What can you do? Learn what AIS look like! Always be on the look-out Monitor for AIS “Adopt” a River or Lake Prevent AIS Spread

What can you do? CLEAN, DRAIN, DRY http://prwd.org

What can you do? Dispose of unwanted bait and pets in the trash. Never release live bait into a waterbody, or release aquatic animals from one waterbody into another.

Jeopardy! 200 400 600 800 1000 Invasive Plants of Minnesota Invasive Animals of Minnesota 200 400 600 800 1000

CLEAN, DRAIN, DRY http://www.co.becker.mn.us/dept/environmental_services/ais.asp x

Spread the word! Do your part!