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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• Spreadeasily due to size, breeding and ability to live out of water
• Found millions per square meter
• Have closed down municipal water supply
• Cost companies money to unclog pipes chemically treated.