Effects of methodology and stakeholder disaggregation on ecosystem service valuation
Emma G. E. Brooks, University of Southampton; Global Species Programme, IUCN (International Union for Conservation of Nature)
Kevin G. Smith, Global Species Programme, IUCN (International Union for Conservation of Nature)
Robert A. Holland, University of Southampton
Guy M. Poppy, University of Southampton
Felix Eigenbrod, University of Southampton
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Contingent valuation is one of the most commonly used methodologies utilized in ecosystem service valuation, thereby including a participatory approach to many such assessments. However, inclusion of nonmonetary stakeholder priorities is still uncommon in ecosystem service valuations and disaggregation of stakeholders is all but absent from practice. We look at four site-scale wetland ecosystem service valuations from Asia that used nonmonetary participatory stated preference techniques from a range of stakeholders, and compare these prioritizations to those obtained from the largest monetary assessments available globally, the Ecosystem Service Value Database (ESVD). Stakeholder assessment suggests very different priorities to those from monetary assessments, yet priorities between different sites remained broadly consistent. Disaggregation of beneficiaries in one site showed marked differences in values between stakeholders. Monetary values correlate positively with values held by government officers and business owners, but negatively with fishermen and women who are relying most directly on the wetland ecosystem services. Our findings emphasize that ecosystem service assessment, monetary or otherwise, must capture the diversity of values present across stakeholder groups to incorporate site scale management issues, particularly in relation to poverty alleviation.
ecosystem services; participatory approach; poverty alleviation; stakeholders; valuation; wetlands
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