Created by Desiree L. Soper
ALIEN or EXOTIC- Non-Native
Causes problems in the new
environment
Zebra Mussels
Asian Carp
 Reproduce rapidly
 Lack predators and diseases that would
otherwise keep the numbers down
 Adapts to new environments quickly
 Plants can change the environment to suit
its own survival needs
 Able to live off a wide variety of food sources
ON
PURPOSE?
OR
BY
ACCIDENT?
On purpose or by accident?
PURPOSE- In 1890, 100 birds were released into Central
Park in New York City by fans of William Shakespeare,
who had mentioned the bird in his writings.
 Where were they originally? EURASIA
 Where can they be found now?
ALL OVER North America and
parts of Canada
They destroy
crops
They rob native
birds of nesting
sites
 On purpose or by accident?
BOTH- It was introduced accidentally as a
contaminant in the ballast of ships and on
purpose as a medicinal herb to treat bleeding,
wounds, ulcers, and others
 Where was it originally? EURASIA
 Where can it be found in North America now?
Mostly in the north, but it has been found in almost
every state
It reproduces rapidly
Displaces native plants,
eliminating natural food
 On purpose or by accident?
By accident- Thought to be brought to
North America in 1990’s in overseas
ship containers
 Where was it originally? ASIA
 Where can it be found in North America now? It has
been found in 15 states so far and parts of Canada
Killed at least 50-100 million ash
trees
One of the most destructive nonnative insects in U.S.
 Mechanical- prescribed fire, manual removal,
explosives
 Biological- natural enemies such as insects or
pathogens that attack the invasive species
 Chemical- manipulation of water or soil chemistry to
increase the growth of native species
 Cultural- educating people, encouraging
actions that minimize the spread of
invasive species
1.
2.
3.
4.
5.
NEVER release exotic plants or animals into the wild.
Urge your family and friends to plant only native
species in yards or gardens.
DON’T move firewood!
“If you are a boater, inspect and remove aquatic
plants, animals, and mud from your boat, motor, and
trailer.
Educate your family and friends.
http://en.wikipedia.org/wiki/Emerald_ash_borer
http://www.invasiveplants.net/plants/purpleloosestrife.htm#Probl
em
http://en.wikipedia.org/wiki/Ballast
http://en.wikipedia.org/wiki/Zebra_mussel
http://en.wikipedia.org/wiki/Invasive_species
http://nbiinin.ciesin.columbia.edu/ipane/volunteers/training_mat
erials/IPANEtraining_Manual.pdf
http://alic.arid.arizona.edu/invasive/sub4/index.shtml
http://www.maxshores.com/kudzu/
http://en.wikipedia.org/wiki/Kudzu
http://www.glfc.org/fishmgmt/carp.php
http://www.youtube.com/watch?v=PdcQ56OpxNE