R. Déarge’s scientific contributions

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Publications (2)


Figure 1 Supply and demand curves, showing the definitions of cost, net rent and consumer surplus for normal goods (a) and some essential ecosystem services (b). See text for further explanation.
Figure 2 Global map of the value of ecosystem services. See Supplementary Information and Table 2 for details.  
The Total Value of the World's Ecosystem Services and Natural Capital.
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November 1996

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6,602 Reads

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14,124 Citations

Nature

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R. Déarge

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RV O'Neill

The services of ecological systems and the natural capital stocks that produce them are critical to the functioning of the Earth's life-support system. They contribute to human welfare, both directly and indirectly, and therefore represent part of the total economic value of the planet. We have estimated the current economic value of 17 ecosystem services for 18 biomes, based on published studies and a few original calculations. For the entire biosphere, the value (most of which in outside the market) in estimated to be in the range of US1654trillion(1012)peryear,withinaverageofUS16-54 trillion (1012) per year, with in average of US33 trillion per year. Because of the nature of the uncertainties, thin must be considered a minimum estimate. Global gross national product total is around US$18 trillion per year.

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Citations (2)


... Ecosystem services are evaluated using the value transfer method (VTM) proposed by Costanza et al. (1997) and Xie et al. (2008). To accurately assess ecosystem service values (ESVs), the value coefficients from Xie et al. (2008) were adjusted to reflect the specific characteristics of the UGRW. ...

Reference:

Ecosystem Health Assessment Based on the V-O-R-S Framework for the Upper Ganga Riverine Wetland in India
The Total Value of the World's Ecosystem Services and Natural Capital.

Nature

... This suggests that existing assessment frameworks are not well positioned to account for changes in integrity due to projected climate impacts on freshwater organisms (Heino et al. 2009). There was very little representation of ecosystem services in assessments (7%), with no trend toward improvement, suggesting strong conceptual or methodological barriers between typical assessment practices and ecosystem service valuation (Liu et al. 2010;Schröter et al. 2016). This implementation gap contrasts strongly with assessment efforts in the European Union, where ecosystem services are being comprehensively assessed in conjunction with ecological condition for all Member States as part of the European Biodiversity Strategy to 2020 (Maes et al. 2016). ...

Valuing Ecosystem Services: a Response.
  • Citing Article