IB 105 Lecture 18

Know how individuals can help prevent the spread of invasive species.
Education is keyResearch is still needed – generalities?Monitoring programs – early detectionPrevent establishment – quarantineIncreased communication among agenciesIncrease regulations
What is biocontrol?
The use of one species to control another.

Usually a specialist predator or parasite of an invasive species.Needs to be species specific or could cause even worse problems.

Be able to recognize common introduced species in the U.

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S. and Laurentian Great Lakes

See Lecture slides
Why should we be concerned about, invasive species.
threaten biodiversity, costly, widespread
How are invasive species often introduced?
deliberately:naturalization societies, Shakespeare fans, game animals, domestic animals, plants for agricultureaccidentally: ballasts of ships, unprocessed wood, fruit shipments, by-pass natural barriers, escapees (from zoos)