Lecture_10 - NR Econ Lecture 10 Today's topic Module IV:...

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NR Econ Lecture 10 Today’s topic Module IV: Endangered Species Conservation A. Overview B. Cost-Effectiveness Analysis C. Benefit-Cost Analysis
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A. Overview The problem of biodiversity loss and species extinctions Global statistics What causes extinctions? Natural extinctions -- Evolutionary forces -- Episodic events (a meteor hits the Earth) Human-induced extinctions -- Direct harvest of species -- Habitat alteration and destruction
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Definitions Biodiversity: the biological variation that exists at all levels of biological organization. Variation in … Individuals in a species Species in a community Communities in an ecosystem Ecosystems themselves
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Definitions (cont.) Species: a category of biological classification ranking immediately below the genus, comprising related organisms or populations potentially capable of interbreeding Extinction: no individual of the species exists Endangered species: any species which is in danger of extinction throughout all or a significant portion of its range Threatened species: any species which is likely to become an endangered species within the foreseeable future throughout all or a significant portion of its range
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Endangered or Threatened Birds Number by County
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Endangered or Threatened Fish Number by County
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Endangered or Threatened Plants Number by County
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B. Cost-effectiveness Analysis
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This note was uploaded on 04/03/2008 for the course ECON 472 taught by Professor Moore during the Winter '08 term at University of Michigan.

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Lecture_10 - NR Econ Lecture 10 Today's topic Module IV:...

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