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By: Yunchao Zhang and Noah Lee

Exotic Species. By: Yunchao Zhang and Noah Lee. Photos by Greenberg art and NPS. What are exotic species? . Non-native, Non-endemic “Unnatural”, “Artificial” Usually not domesticated Brought in from outside its natural distribution NOT ALL are problematic Most are invasive.

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By: Yunchao Zhang and Noah Lee

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  1. Exotic Species By: Yunchao Zhang and Noah Lee Photos by Greenberg art and NPS

  2. What are exotic species? • Non-native, Non-endemic • “Unnatural”, “Artificial” • Usually not domesticated • Brought in from outside its natural distribution • NOT ALL are problematic • Most are invasive Photo by Wikimedia

  3. The Negative Impact • Huge Threat to biodiversity-second only to habitat destruction • Ability to change a habitat • Endangers native species • Alters gene pool • Costs $1.4 trillion every year globally • Very difficult to get rid of Photo by Pnej

  4. Causes • Increased international trade • Increased tourism • When European settlers brought hundreds of plants to North America • Accidental and intentional release • Increased sea travel-Ballast Photo by Birdphotos

  5. Specific Examples • Asia Chestnut Blight Fungus • Zebra Mussel • Australian Paperbark Tree • Brown Tree Snake • Nile Perch • Sea Lamprey • Goats of St. Helena

  6. Asia Chestnut Blight Fungus Photo by Delaware Nature Society

  7. Zebra Mussel Photo by Lakeside Views

  8. Australian Paperbark Tree Photo by Uniserve.edu

  9. Brown Tree Snake Photo by Onionhound on Wikimedia

  10. Nile Perch Photo by Jirehtoursandtravels

  11. Sea Lamprey

  12. Goats of St. Helena Photo by Armin Kubelbeck

  13. What can you do? • Financial support • Do not buy non native plants • Do not release animals into the wild • Do not “Pack a pest” • Volunteer • Be Educated

  14. What Others are Doing • Global Invasive Species Program • Federal Invasive Species Council • Parks, NPS, UN, EPA, NFWF • Ballast Water Regulation • More Conducted Studies • Preventing Potential Invaders

  15. Contacts • Local parks • The NPS, EPA, and NFWF • Voice your opinion to EVERYONE Photos by James Montgomery Flagg

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