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Transcript
Non-native species
• Organisms that have been moved from one
location to another where they did not originally
live.
• May be intentional (movement of food sources)
• Or unintentional (rats on ships)
• Effect on environment is unpredictable
Effects
• Innocuous – no significant effect on ecosystem
• Beneficial – affects ecosystem in beneficial way
• Destructive – harms ecosystem and affects the
balance
• http://www.mdsg.umd.edu/issues/restoration/n
on-natives/
Invasive species
• Non-native species which outcompetes or
preys upon other native organisms.
• Alters ecological balance