BIO120H1 Lecture Notes - Lecture 11: Echinochloa, Cane Toad, Silene Latifolia
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BIO120H1 Full Course Notes
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Document Summary
Lantana camara invasions in india threaten tiger habitat. Elephant disturbs and lantana grows (anti aphrodisiac for tigers) Native to neotropics and introduced to puerto rico and hawaii where successfully controlled cane beetles devastating sugar cane. Later intro australia not successful reducing beetles and reduce biodiversity (esp. reptiles) Biological invasion- successful establishment of a species in a region not previously occupied followed by rapid range expansion. ***do not always involve harmful species but most do*** Native-indigenous species that occurs wild in a given region. Alien- species that has been introduced to a part of the world to which it is not native. Disrupt ecological processes in nat plant and animal communities. Displace native species leading to their extinction. Economic and social impacts through reduction of yield in agri and fisheries. Around 42% of threat and endangered species @ risk due to invasive. Differences in enemy attack of white campion, enemy release hypo.
