1. INVASIVE SPECIES

2. What are they? “Alien Organisms”
Invasive species are organisms that were introduced to a non-native environment where it has become harmful to other wildlife.
For example, Oregon’s bullfrog population.

3. Characteristics can include…
High reproduction rates
High tolerance for the surroundings
Good competitor for food source
Fast growth rate
High dispersal rate
And more…

4. How? Pets that are transported in end up escaping and reproducing.
People transport plants that end up spreading out.
Sometimes there are animals brought in on purpose…..
Like Scotch Broom to the Oregon coast
European Starlings to N. America

5. Scotch Broom

6. European Starling

7. Oregon Examples
Micro-Organisms
Hazelnut Bacteria Canker

8. Oregon Examples
Aquatic Plants
Hydrilla

9. Oregon Examples
Land Plants
Kudzu

10. Oregon Examples
Aquatic Invertebrates
Japanese
Shore
Crab

11. Oregon Examples
Land Invertebrates
Emerald Ash Borer

12. Oregon Examples
Fish
Snakehead

13. Oregon Examples
Birds
Mute Swan

14. Oregon Examples
Reptiles
Eastern Snapping Turtle

15. Oregon Examples
Mammals
Nutria