Midterm1_4(Final)

Midterm1_4(Final) - Lecture 14: Conservation Genetics (Not...

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Lecture 14: Conservation Genetics (Not on Midterm 1, but on Final) Conservation biology is a young field that integrates - Ecology - Behavioral ecology - Physiology - Molecular biology - Genetics - Evolution (Molecular biology, Genetics, and Evolution make up Conservation Genetics ) Conservation biology has grown rapidly in response to the biodiversity crisis Some depressing statistics - Nearly 50% of land surface has been altered by humans - About 75% of marine fisheries are fully exploited or overexploited - We have increased atmospheric CO2 concentrations by 30% - Rate of species loss may be as much as 1000x higher than at any point in the past 100,000 years Genetic Diversity : genetic variation within and between populations Species diversity : the number and relative abundance of species Ecosystem diversity : the diversity of habitats, communities, and ecological processes Why preserve biodiversity? 1.
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This note was uploaded on 01/27/2011 for the course BISC 120 taught by Professor Webb,wetzer,? during the Fall '07 term at USC.

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Midterm1_4(Final) - Lecture 14: Conservation Genetics (Not...

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