Max S. Hayes School - PowerPoint PPT Presentation

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  1. Max S. HayesSchool

  2. Invaders

  3. Who are these Invaders? • More than 4,500 non-native species in the USA • More than 3,000 occur in Ohio • 25% of Ohio species are non-native

  4. No Stopping These Invaders • Introduction is accidental and deliberate • Compete with native species • National problem

  5. A Threat • Second largest threat to biodiversity and endangered species

  6. Accidental Introduction:Zebra Mussel • FromRussia • ZebraMusselsaremostdamagingaquaticorganism • Spreadeasily due to size, breeding and ability to live out of water

  7. Problem with Zebra Mussels • Found millions per square meter • Have closed down municipal water supply • Cost companies money to unclog pipes chemically treated.

  8. Zebra Mussels…continued

  9. Anti-Zebra Mussel Campaigns

  10. Release of Pets: Burmese Python

  11. Pythons and the Environment

  12. Gypsy Moth • Came From Eurasia • Introduced in the 1860’s • Brought Intentionally

  13. Problems with Gypsy Moth • Eats leaves on trees and shrubs • Leaves large areas bare of all vegetation • Devours 1 million acres of leaves a year • Can’t be controlled

  14. Intentional Use: Purple Loosestrife • From Europe and Asia • Introduced in 1800’s • Brought to US for ornamental and medicinal purposes

  15. Purple Loosestrife • Is a Threat to Plants in the US • Easy adapts to all wetlands

  16. Starling • Brought to America in 1890’s • Compete with native birds for nest holes in trees

  17. What You Can Do • Spread the word about invasive species • Be careful not to transport invasive species. • Volunteer to help control invasive species • Discourage the sale of invasive, and non-native plants.

  18. Clean your boats

  19. Don’t transport species • Drain water carefully • Don’t flush live fish

  20. Conclusion: Invasive Species • Conclusion, the invasive species are dangerous to or the environment and they can damage or native species. • Invasive get here by deliberate, intentional, and accidental introduction. • 3. Remember our slide show we told you how to prevent invasive species -do your part! • We hope you enjoyed this presentation and learned new cool things.