BIOS PWRPT - 3/19/10 History 50,000 species in US Imported...

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3/19/10
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Click to edit Master subtitle style 3/19/10 History 50,000 species in US Imported purposely and accidently Not all are harmful Imported for breeding, agriculture, horticulture, and sport Second most important threat to native species
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Click to edit Master subtitle style 3/19/10 Economic Damages 4500 species arthropods in US 40% insect pests are exotic and cost $14.5 billion/year Pesticides harm environment
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3/19/10 Economic Damages Exotic microbes make up 65% of crop pathogens Damage costs total almost $23 billion/ year
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3/19/10 Economic Damages Aquatic Invaders damages are over $9 billion/ year West Nile Virus affects 4,200 people yearly To spray mosquitoes for WNV, it costs $15/ person/ year in harmed areas
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3/19/10
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3/19/10 Negative Aspects of Invasive Species By Chad Cox
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Click to edit Master subtitle style 3/19/10 Destruction of Environment Habitat Destruction Ecosystem Productivity
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Click to edit Master subtitle style 3/19/10 Predation Disruption of Food Chain Lack of Predators
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Click to edit Master subtitle style 3/19/10 Competition Resources Living Space
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Click to edit Master subtitle style 3/19/10 Introduction of Disease Close Quarters Lack of Immunities
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BIOS PWRPT - 3/19/10 History 50,000 species in US Imported...

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