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Stop the Spread of Invasive Species

Stop the Spread of Invasive Species. Safe Harvest and Disposal of Aquatic Plants. 1. 2. Aquatic Exotics in the Great Lakes. Zebra mussel. Purple loosestrife. Rainbow smelt. Tubenose goby. Sea lamprey. Fishhook waterflea. Spiny waterflea. Eurasian watermilfoil. Alewife. Round goby.

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Stop the Spread of Invasive Species

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  1. Stop the Spread of Invasive Species Safe Harvest and Disposal of Aquatic Plants 1

  2. 2

  3. Aquatic Exotics in the Great Lakes Zebra mussel Purple loosestrife Rainbow smelt Tubenose goby Sea lamprey Fishhook waterflea Spiny waterflea Eurasian watermilfoil Alewife Round goby Lumholtzi waterflea Echinogammarus 3

  4. Methods of Spread Boaters Anglers Bait transport Fish stocking Aquaculture Aquatic plant harvesters 4

  5. Aquatic Exotics in the Great Lakes Zebra mussel Purple loosestrife Rainbow smelt Tubenose goby Sea lamprey Fishhook waterflea Spiny waterflea Eurasian watermilfoil Alewife Round goby Lumholtzi waterflea Echinogammarus 5

  6. Zebra musselDreissena polymorpha • Transported as: • Larvae • Adults 6

  7. 7

  8. Eurasian watermilfoilMyriophyllum spicatum • Transported as: • Seeds • Roots • Fragments 8

  9. Purple loosestrifeLythrum salicaria • Transported as: • Seeds • Stems • Roots 9

  10. Waterfleas Daphnia lumholtzi (Lumholtzi waterflea) Bythotrephes cederstroemi (BC) Cercopagis pengoi (Fishhook waterflea) 10

  11. 11

  12. Steps for Harvesters • Carefully inspect and remove plants from: • Cutting blades • Lift arms • Hydraulic systems • Weed conveyor belts • Barge equipment 12

  13. Carefully inspect and remove plants • Clean all equipment and allow to dry • Dispose of harvested plants properly • Question practices of professionals Steps for Harvesters 13

  14. Stop the Spread of Invasive Species • Becoming aware • Accepting responsibility • Taking action 14

  15. Written and produced byMike KlepingerMichigan Sea Grant2001 15

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