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dc.contributor.authorCrookes, D.J.
dc.contributor.authorBlignaut, J.N.
dc.contributor.authorde Wit, M.P.
dc.contributor.authorEsler, K.J.
dc.contributor.authorLe Maitre, D.C.
dc.contributor.authorMilton, S.J.
dc.contributor.authorMitchell, S.A.
dc.contributor.authorCloete, J.
dc.contributor.authorde Abreu, P.
dc.contributor.authorFourie, H.
dc.contributor.authorGull, K.
dc.contributor.authorMarx, D.
dc.contributor.authorMugido, W.
dc.contributor.authorNdhlovu, T.
dc.contributor.authorNowell, M.
dc.contributor.authorPauw, M.
dc.contributor.authorRebelo, A.
dc.date.accessioned2014-01-28T12:22:55Z
dc.date.available2014-01-28T12:22:55Z
dc.date.issued2013
dc.identifier.citationCrookes, D.J., Blignaut, J.N., de Wit, M.P., Esler, K.J., Le Maitre, D.C., Milton, S.J., Mitchell, S.A., Cloete, J., de Abreu, P., Fourie (nee Vlok), H., Gull, K., Marx, D., Mugido, W., Ndhlovu, T., Nowell, M., Pauw, M., Rebelo, A. (2013). System dynamic modeling to assess economic viability and risk trade-offs for ecological restoration in South Africa. Journal of Environmental Management 120, 138-147.en
dc.identifier.urihttp://hdl.handle.net/123456789/1346
dc.description.abstractCan markets assist by providing support for ecological restoration, and if so, under what conditions? The first step in addressing this question is to develop a consistent methodology for economic evaluation of ecological restoration projects. A risk analysis process was followed in which a system dynamics model was constructed for eight diverse case study sites where ecological restoration is currently being pursued. Restoration costs vary across each of these sites, as do the benefits associated with restored ecosystem functioning. The system dynamics model simulates the ecological, hydrological and economic benefits of ecological restoration and informs a portfolio mapping exercise where payoffs are matched against the likelihood of success of a project, as well as a number of other factors (such as project costs and risk measures). This is the first known application that couples ecological restoration with system dynamics and portfolio mapping. The results suggest an approach that is able to move beyond traditional indicators of project success, since the effect of discounting is virtually eliminated. We conclude that systems dynamic modelling with portfolio mapping can guide decisions on when markets for restoration activities may be feasible.en
dc.description.sponsorshipWRC, WfWen
dc.format.extent737667 bytes
dc.format.mimetypeapplication/pdf
dc.language.isoenen
dc.subjectRestorationen
dc.subjectSystem Dynamicsen
dc.subjectPortfolio Mappingen
dc.subjectRick analysisen
dc.subjectWateren
dc.subjectAgricultureen
dc.titleSystem dynamic modeling to assess economic viability and risk trade-offs for ecological restoration in South Africa.en
dc.typeJournalArticlesen
dc.cibjournalJournal of Environmental Managementen
dc.cibprojectSocial perceptions and impacts of invasionen


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