Lec26 - Conservation Thursday 12/8/11 Review sessions:...

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Conservation Thursday 12/8/11 Biodiversity Crisis Threats to Biodiversity What YOU can do! Habitat / Ecosystem conservation Ex: Goose Pond Fish & Wildlife Area Species conservation: Ex: Bald Eagle Review sessions: Monday (12/12) 2:00- 4:00pm– JH 122 Final Exam: Tuesday (12/13) 10:15am- 12:15pm JH A106
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BIODIVERSITY: species richness & relative abundance biodiversity crisis 1.9billion species on earth ~2,000 Value of biodiversity: read pages 744-747
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Biodiversity is a crucial natural resource! economic value for humans direct -- indirect --
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Ecosystem Services: purification of air and water reduction of the severity of droughts and floods generation and preservation of fertile soils detoxification and decomposition of wastes pollination of crops and natural vegetation dispersal of seeds nutrient cycling control of many agricultural pests by natural enemies protection of coastal shores from erosion protection from ultraviolet rays moderation of weather extremes provision of aesthetic beauty
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rain forest cover. loss of habitat reduction in available habitat Major Threats to Biodiversity: HUMAN INDUCED!
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This note was uploaded on 01/18/2012 for the course L 100 taught by Professor Dr.susanhengeveld during the Fall '11 term at Indiana.

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Lec26 - Conservation Thursday 12/8/11 Review sessions:...

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