11_biodiversitySP2008

11_biodiversitySP2008 - Lecture 11 Considering Biodiversity...

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1 Lecture 11 Considering Biodiversity in Agriculture and the‖Natural‖ Environment Geography 1000 Spring 2008 February 18 Today’s Terms of Truth and Wisdom Biodiversity: Instrumental and Intrinsic value pp. 246- 247 Importance of Biodiversity pp. 247-248 Modern Drugs from plants Table 10 (know 3) pp. 249 Turkey story pp. 251 Lacey Act of 1900 pp. 253 Endangered species act pp. 254 Gray Wolf story pp. 257 Biodiversity status in US pp. 259 3 reasons for species decline pp. 260 “Keystone” species pp. 265 Cities; cops pp. 267 ENDANGERED VS THREATENED Threatened: population low but extinction less imminent Endangered: numbers so low that extinction may be imminent
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3 Biodiversity Hotspots 60% of the biodiversity is located on just 1.4% of the Earth’s land surface . NEW medicines
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4 Sources for Medicine: Vincristine Sources of Medicine: Table 10-1 • Vincristine from rosy periwinkle cures leukemia. • Capoten from the venom of the Brazilian viper controls high blood pressure. • Taxol from the bark of the pacific yew used to treat ovarian, breast, and small-cell cancers.
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5 The Status of U.S. Species Causes of Animal Extinctions in the US BIODIVERSITY
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6 GOALS OF CONVENTION ON BIODIVERSITY ―The conservation of biological diversity, the sustainable use of its components and the fair and equitable sharing of the benefits arising out of the utilization of genetic resources‖ ―Biodiversity is a common concern of humankind and an integral part of the development process‖ • > 100,000 plant/animal species lost in last 5 years • Habitat loss is biggest current threat to biodiversity • Deforestation and forest degradation has increased since the Rio Earth Summit BIODIVERSITY How many species are there? -- 1.4 million named species (70% of which are
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This note was uploaded on 04/06/2008 for the course GEOG 1000 taught by Professor Veeck during the Spring '08 term at Western Michigan.

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11_biodiversitySP2008 - Lecture 11 Considering Biodiversity...

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