The Economic Impact of Ocean Acidification on Coral Reefs Brander, Luke M.; Rehdanz, Katrin; Tol, Richard S. J.; ...

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Authors
Brander, Luke M. ; Rehdanz, Katrin ; Tol, Richard S. J. ; van Beukering, Pieter J.H.
Appears In
Climate Change Economics
Subjects
Global temperature changes -- Economic aspects; Ocean acidification -- Economic aspects; Water acidification -- Economic aspects
Audience
Academic
Summary
To access, purchase, authenticate, or subscribe to the full-text of this article, please visit this link: http://dx.doi.org/10.1142/S2010007812500029 Byline: LUKE M. BRANDER, KATRIN REHDANZ, RICHARD S. J. TOL, PIETER J. H. VAN BEUKERING Because ocean acidification has only recently been recognized as a problem caused by CO.sub.2 emissions, impact studies are still rare and estimates of the economic impact are absent. This paper estimates the economic impact of ocean acidification on coral reefs which are generally considered to be economically as well as ecologically important ecosystems. First, we conduct an impact assessment in which atmospheric concentration of CO.sub.2 is linked to ocean acidity causing coral reef area loss. Next, a meta-analytic value transfer is applied to determine the economic value of coral reefs around the world. Finally, these two analyses are combined to estimate the economic impact of ocean acidification on coral reefs for the four IPCC marker scenarios. We find that the annual economic impact rapidly escalates over time, because the scenarios have rapid economic growth in the relevant countries and coral reefs are a luxury good. Nonetheless, the annual value in 2100 in still only a fraction of total income, one order of magnitude smaller than the previously estimated impact of climate change. Although the estimated impact is uncertain, the estimated confidence interval spans one order of magnitude only. Future research should seek to extend the estimates presented here to other impacts of ocean acidification and investigate the implications of our findings for climate policy.
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http://trove.nla.gov.au/work/99053
Work ID
99053

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