The role and value of water in natural capital restoration on the Agulhas Plain

Stellenbosch Working Paper Series No. WP03/2011
 
Publication date: 2011
 
Author(s):
[protected email address] (Macro and Resource Economics, Western Cape Department of Agriculture)
[protected email address] (School of Public Leadership, University of Stellenbosch)
[protected email address] (Department of Economics, University of Stellenbosch)
 
Abstract:

The Agulhas Plain is a low-lying coastal area within the Cape Floristic Region classified as one of the six plant kingdoms of the world. The area is heavily invaded by alien vegetation that infringes upon the sustainable supply of ecosystem goods and services provided by the native fynbos vegetation. Natural capital restoration is expected to recover the supply of ecosystem goods and services, and in particular to increase the amount of water available for consumption. The study conducts cost-benefit analyses to assess whether alien clearing and restoration would add value to the Agulhas Plain. The analyses indicate that the cost of alien clearing and restoration in the area cannot be justified if the additional water released holds no benefit to the Plain. A brief assessment shows that the actual average value of water on the Agulhas Plain, as estimated by other studies, is higher than the economic cost of making the water available through alien clearing and restoration. Thus this would make alien clearing and restoration economically justified.

 
JEL Classification:

Q56

Keywords:

Cost-benefit analysis, Invasive vegetation, Natural capital restoration, Water

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1 March 2021
Even with the release of data showing a record high unemployment rate in 2020Q4, it turned out to be a fairly good week for the SA economy. Daily new COVID-19 infections remained well contained, while the second batch of 80 000 J&J vaccines arrived (albeit controversially with the grounded SAA being the carrier). In addition, relative to the October...

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