It has been proposed that crustaceans should be excluded from a comparison of biological responses to ocean acidification among organisms with different calcium carbonate (CaCO3) forms in their calcified structures. We re-analysed our data without crustaceans and found high variation in organismal responses within CaCO3 categories. We conclude that the CaCO3 polymorph alone does not predict sensitivity, and a consideration of functional differences among organisms is necessary for predicting variation in response to acidification.
Kroeker K. J., Kordas R. L., Crim R. N., & Singh G. G., in press. Response to technical comment on `meta-analysis reveals negative yet variable effects of ocean acidification on marine organisms’. Ecology Letters doi:10.1111/j.1461-0248.2011.01665.x. Article.
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