Linking the biological impacts of ocean acidification on oysters to changes in ecosystem services: a review

Anaëlle J. Lemasson*, Stephen Fletcher, Jason M. Hall-Spencer, Antony M. Knights

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

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Abstract

Continued anthropogenic carbon dioxide emissions are acidifying our oceans, and hydrogen ion concentrations in surface oceans are predicted to increase 150% by 2100. Ocean acidification (OA) is changing ocean carbonate chemistry, including causing rapid reductions in calcium carbonate availability with implications for many marine organisms, including biogenic reefs formed by oysters. The impacts of OA are marked. Adult oysters display both decreased growth and calcification rates, while larval oysters show stunted growth, developmental abnormalities, and increased mortality. These physiological impacts are affecting ecosystem functioning and the provision of ecosystem services by oyster reefs. Oysters are ecologically and economically important, providing a wide range of ecosystem services, such as improved water quality, coastlines protection, and food provision. OA has the potential to alter the delivery and the quality of the ecosystem services associated with oyster reefs, with significant ecological and economic losses. This review provides a summary of current knowledge of OA on oyster biology, but then links these impacts to potential changes to the provision of ecosystem services associated with healthy oyster reefs.

Original languageEnglish
Pages (from-to)49-62
Number of pages14
JournalJournal of Experimental Marine Biology and Ecology
Volume492
Early online date20 Jun 2017
DOIs
Publication statusPublished - 1 Jul 2017

Keywords

  • aquaculture
  • climate change
  • ecosystem approach
  • shellfish
  • sustainability

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