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Max S. Hayes School Invaders 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 No Stopping These Invaders Introduction is accidental and deliberate Compete with native species National problem A Threat

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Presentation Transcript
who are these invaders
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
no stopping these invaders
No Stopping These Invaders
  • Introduction is accidental and deliberate
  • Compete with native species
  • National problem
a threat
A Threat
  • Second largest threat to biodiversity and endangered species
accidental introduction zebra mussel
Accidental Introduction:Zebra Mussel

• FromRussia

• ZebraMusselsaremostdamagingaquaticorganism

• Spreadeasily due to size, breeding and ability to live out of water

problem with zebra mussels
Problem with Zebra Mussels

• Found millions per square meter

• Have closed down municipal water supply

• Cost companies money to unclog pipes chemically treated.

gypsy moth
Gypsy Moth
  • Came From Eurasia
  • Introduced in the 1860’s
  • Brought Intentionally
problems with gypsy moth
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
intentional use purple loosestrife
Intentional Use: Purple Loosestrife
  • From Europe and Asia
  • Introduced in 1800’s
  • Brought to US for ornamental and medicinal purposes
purple loosestrife
Purple Loosestrife
  • Is a Threat to Plants in the US
  • Easy adapts to all wetlands
starling
Starling
  • Brought to America in 1890’s
  • Compete with native birds for nest holes in trees
what you can do
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.
slide19
Don’t transport species
  • Drain water carefully
  • Don’t flush live fish
conclusion invasive species
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.