ALIEN INVADERS
Feb 15, 2016
ALIEN INVADERS
Native Species
• An organism which is indigenous to a given region or ecosystem.
Introduced Species
• Known as an exotic species• An organism that is not indigenous to a given
location but instead, has been accidentally or deliberately introduced to a new location by humans or by natural means.
How did they get here?
• Ballast Water• Canals (man made waterways)• Recreational Boaters/Ships• Accidentally Imported in boxes, on plants, etc• Pet Release• Aquaculture• Intentional Introductions
Ballast Water Introductions
Canals
Importation through the Mail
Pet Release
asian carp attack video
Intentional Introductions
• Introduced by scientist to decrease the population of native and non-native species.
• Introduced for sport• Introduced for aesthetic value
Other Invasive Species
Positive Effects of Introduced Species