ALIEN INVADERS.

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Presentation transcript:

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