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Zebra Mussel a threat to the Great Lakes

Zebra mussel.pptxcelia

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  • 1. The Zebra Mussel isabout 1 inch long orthe size of athumbnail.They are yellow andbrown with zebralooking stripes. Careful! They haveextremely sharpedges! They tend to sticktogether, so if youfind one, youre sureto find more!

2. Zebra musselscame fromWestern Asiaand EasternEurope.This mapshows whereZebra musselsare invadingthe most andthe least. 3. They got here bystickingthemselves onBoatsPaddlesMotorsTurtlesClamsCrayfishAlso came aslarvae in ballastwater. 4. Well, Zebramussels Filter water byfeeding onmicroscopicplants andanimalsThis makes thewater clearer(which is NOTgood)Eat native fishProduce blue-green algae 5. Zebra musselsClog water intakepipesStick todocks, piers, plants andbuoys.In 1989, the townofMonroe, Michiganlost its water supplyfor 3 days becauseof a massive clumpof Zebra Musselsclogging the waterintake pipes! 6. Water users in theGreat Lakes regionare paying a total of$30 million annuallyto monitor andcontrol ZebraMussels! Wow!We are also removingthem when we seethem.Two friends ofmine, when theyfound ZebraMussels, they took arock and smashedthem! 7. Well YOU canClean the bottomof your boatbefore enteringanother lakeClean paddles offwith hot waterReport anysightings of zebramussels to waterauthorities 8. Ballast water- water that sits in a tank in a ship.To lower the ship, water is collected. To bring theship up, water is released Microscopic- too tiny to see. A microscope isneeded to see Larvae- a small egg 9. http://anstaskforce.gov/impacts.php Ans task force 3/22/13 http://www.glsc.usgs.gov/ Usgs 3/22/13 http://seagrant.gso.uri.edu/ Sea grant 3/22/13 http://images.google.com/search?q=zebra+mussel+in+the+great+lakes Google 3/22/13 http://www.iiseagrant.org/NabInvader/ Nab the aquatic invader 3/22/13