International Water Management Course 5-10 July 2003, Kastanienbaum, Switzerland A Sharing Solutions initiative by Swiss Re WATER MANAGEMENT: VALUES, POLICIES, INSTRUMENTS AND APPROACHES Joel D. Scheraga, Ph.D. Valuation of Ecosystem Services : Presentation Overview
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5-10 July 2003, Kastanienbaum, Switzerland
A Sharing Solutions initiative by Swiss Re
VALUES, POLICIES, INSTRUMENTS
Joel D. Scheraga, Ph.D.
Ecosystem services refers to how humans benefit from ecosystems:
“…a wide range of conditions and processes through which
natural ecosystems, and the species that are part of them, help
sustain and fulfill human life”
- Daily et al., 1997
Ecosystem services relevant to freshwater ecosystems include:
Ecosystem services (cont.):
Use of water to sustain ecosystems
Use of water for food production
There are aspects of ecosystems that are valuable but may not be amenable to economic analysis
Such circumstances may require:
the amount of compensation required to make individuals
as well off after a change as before the change.
determined by the sum of individual values when there is a
marginal change in an ecological service (e.g., recreational