Paying the forest for electricity: A modelling framework to market forest conservation as payment for ecosystem services benefiting hydropower generation

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dc.contributor.authorArias, M.E.
dc.contributor.authorCochrane, T.A.
dc.contributor.authorLawrence, K.
dc.contributor.authorKilleen, T.J.
dc.contributor.authorFarrell, T.A.
dc.date.accessioned2011-10-12T01:44:56Z
dc.date.available2011-10-12T01:44:56Z
dc.date.issued2011en
dc.descriptionPublished in PESC Special issue: Payments for ecosystem services in conservation: performance and prospectsen
dc.description.abstractThe operation and longevity of hydropower dams are often negatively impacted by sedimentation. Forest conservation can reduce soil erosion, and therefore efforts to maintain upstream forest cover within a watershed contribute to the economic life span of a hydropower facility. The cost of forest conservation can be viewed as an investment in hydropower and be financed via a payment for ecosystem services (PES) scheme. A novel modelling framework is used to estimate payments for forest conservation consisting of: (1) land-use change projection; (2)watershed erosion modelling; (3) reservoir sedimentation estimation; (4) power generation loss calculation; and (5) PES scheme design. The framework was applied to a proposed dam in Cambodia (Pursat 1). The estimated net present value of forest conservation was US$ 4.7 million when using average annual climate values over 100 years, or US$ 6.4 million when considering droughts every eight years. This can be remunerated with annual payments ofUS$ 4.26ha-1 or US$ 5.78ha-1, respectively, covering forest protection costs estimated at US$ 0.9 ha-1 yr-1. The application of this type of PES represents a rational option that allows for conservation and development of hydropower watersheds susceptible to erosion and sedimentation.en
dc.identifier.citationArias, M.E., Cochrane, T.A., Lawrence, K., Killeen, T.J., Farrell, T.A. (2011) Paying the forest for electricity: A modelling framework to market forest conservation as payment for ecosystem services benefiting hydropower generation. Environmental Conservation, 38(4), pp. 1-12.en
dc.identifier.doihttps://doi.org/10.1017/S0376892911000464
dc.identifier.issn0376-8929
dc.identifier.urihttp://hdl.handle.net/10092/5627
dc.language.isoen
dc.publisherUniversity of Canterbury. Civil and Natural Resources Engineeringen
dc.rights.urihttps://hdl.handle.net/10092/17651en
dc.subjectforest conservationen
dc.subjectpayment for ecosystemen
dc.subjectservicesen
dc.subjectreservoir sedimentationen
dc.subjectsediment yielden
dc.subjectsoil erosionen
dc.subjectsustainable hydropoweren
dc.subjectwatershed managementen
dc.subject.anzsrcField of Research::09 - Engineering::0905 - Civil Engineeringen
dc.subject.anzsrcFields of Research::41 - Environmental sciences::4104 - Environmental management::410401 - Conservation and biodiversityen
dc.titlePaying the forest for electricity: A modelling framework to market forest conservation as payment for ecosystem services benefiting hydropower generationen
dc.typeJournal Article
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