Notes on Costanza et al.'s Value of the World's Ecosystem

Notes on Costanza et al.'s Value of the World's Ecosystem -...

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Notes on Sept. 13 th Reading of the World’s Ecosystem Services and Natural Capital Value of ecosystem services per year – US$ 33 Trillion (minimum estimate because of the nature of the uncertainties and problems they encountered during this research) – Marine systems (60% (most from coastal systems) – 38% terrestrial systems (most from forests) • Global GNP – US$ 18 trillion per year - The value of ecosystem services would probably increase with more research into evaluating a broader range of ecosystem services, with the incorporation of more realistic representation of ecosystem dynamics, and as ecosystem services become more stressed and scarce in the future. - Ecosystem goods (i.e. food) and services (i.e. waste assimilation) = ecosystem services (includes only renewable ecosystem services). - Capital = a stock of materials or information that exists at a point in time. Can be tangible, physical capital such as natural capital = trees, minerals, ecosystems, the atmosphere, etc. Can also be intangible such as information stored in computers, human brains, as well as that stored in species and ecosystems (how nature works). - Some ecosystem services include: gas regulation (regulating the chemicals in the atmosphere),
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Notes on Costanza et al.'s Value of the World's Ecosystem -...

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