envi lecture8[2]

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  • Environmental EconomicsLecture 8 (Biological diversity)

  • The variety of organisms considered at all levels, from genetic variants belonging to the same species through arrays of species to array of genera,family, and still higher taxonomic levels;includes the variety of ecosystems, which comprise both the communities of organisms within particular habitats and the physical conditions under which they lives (Wilson,1992 ,2538)

  • (Species diversity)

    2. (Genetic diversity)

    3. (Ecological diversity)

  • (Species diversity) 2 1.1.(Species richness) 1.2 (Species evenness) 2 4 A B C D 1 25 % 2 70% A B C D 10%

  • (Species diversity)(2) 1.7 12 950,000

  • (Genetic diversity)

  • (Ecological diversity) (habitat)

  • :

  • 1. 4 (Croton sublyratus) Plaunotol Kelnac Kelnac 2.

  • : 2538 39

  • (use value) (non-use value) 1. (Use Value)1.1. (direct use value)

  • (2)1.2. (indirect use value) 1.3. (option value)

  • (3)2. (Non-use Value)2.1 (bequest value) 2.2 (existence value)

  • 1.) - (Mutation) -

  • (2)2.)

  • (3)3.)

  • - - -

  • (2)- 2535- 1.) 2.) 3.)

  • --- (Global Environmental Facility:GEF)

  • 1. .2538 13 2538

    2. .2538

    3. http://www.swu.ac.th/royal/book2/index.html