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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
environmental science
System dynamic modelling to assess economic viability and risk trade-offs for ecological restoration in South Africa
Journal of Environmental Management, Volume 120, Year 2013
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Description
Can 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. © 2013 Elsevier Ltd.
Authors & Co-Authors
Crookes, Douglas John
South Africa, Stellenbosch
Stellenbosch University
Blignaut, James N.
South Africa, Pretoria
University of Pretoria
de Wit, M. P.
South Africa, Stellenbosch
Stellenbosch University
Esler, Karen J.
South Africa, Stellenbosch
Stellenbosch University
Le Maitre, David C.
South Africa, Pretoria
The Council for Scientific and Industrial Research
Milton, Suzanne J.
South Africa, Gqeberha
Nelson Mandela University
Mitchell, Stephen A.
South Africa, Bloemfontein
University of the Free State
Cloete, Jan S.
South Africa, Bloemfontein
University of the Free State
Holden, Petra B.
South Africa, Cape Town
University of Cape Town
Fourie, Helanya
South Africa, Cape Town
Western Cape Government
Gull, K.
South Africa, Cape Town
University of Cape Town
Marx, D.
South Africa, Cape Town
University of Cape Town
Mugido, Worship
South Africa, Stellenbosch
Stellenbosch University
Ndhlovu, Thabisisani
South Africa, Stellenbosch
Stellenbosch University
Nowell, M.
South Africa, Stellenbosch
Stellenbosch University
Pauw, Marietjie
South Africa, Stellenbosch
Stellenbosch University
Rebelo, Alanna J.
South Africa, Stellenbosch
Stellenbosch University
Statistics
Citations: 56
Authors: 17
Affiliations: 7
Identifiers
Doi:
10.1016/j.jenvman.2013.02.001
ISSN:
03014797
Study Design
Case Study
Study Approach
Qualitative
Study Locations
South Africa