Unformatted text preview: Economic environmental o People – transporting living things They do not plan to release them to the wild o Wooden shipping crates • Costs o Environmental – loss of native species 49% of imperiled species negatively affected by indigenous species o Economic 50,000 non indigenous species in the U.S. $137 billion annual cost (due to damages, losses, and control measures) Grant ragweed (looks like pot) – can reduce corn and soybeans by >50%, causes ragweed. Weed – a plant that has some negative economic effect • Control o Introduce a predator to the invasive species o Hunt/cut down/dig up/spray with pesticides...
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- Fall '08
- Introduced species, Zebra mussel, Mahar, non indigenous living