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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

Exotic Species

By: Yunchao Zhang and Noah Lee

Photos by Greenberg art and NPS

what are exotic species
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

the negative impact
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

causes
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

specific examples
Specific Examples
  • Asia Chestnut Blight Fungus
  • Zebra Mussel
  • Australian Paperbark Tree
  • Brown Tree Snake
  • Nile Perch
  • Sea Lamprey
  • Goats of St. Helena
asia chestnut blight fungus
Asia Chestnut Blight Fungus

Photo by Delaware Nature Society

zebra mussel
Zebra Mussel

Photo by Lakeside Views

slide8

Australian Paperbark Tree

Photo by Uniserve.edu

slide9

Brown Tree Snake

Photo by Onionhound on Wikimedia

nile perch
Nile Perch

Photo by Jirehtoursandtravels

slide12

Goats of St. Helena

Photo by Armin Kubelbeck

what can you do
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
what others are doing
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
contacts
Contacts
  • Local parks
  • The NPS, EPA, and NFWF
  • Voice your opinion to EVERYONE

Photos by James Montgomery Flagg

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