What meta-analysis can tell us about vulnerability of marine biodiversity to ocean acidification? |
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| Authors: | S Dupont N Dorey M Thorndyke |
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| Institution: | 1. Department of Marine Ecology, University of Gothenburg, The Sven Lovén Centre for Marine Sciences, Kristineberg 45034, Sweden;2. The Royal Swedish Academy of Sciences, The Sven Lovén Centre for Marine Sciences, Kristineberg 45034, Sweden |
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| Abstract: | Ocean acidification has been proposed as a major threat for marine biodiversity. Hendriks et al. Hendriks, I.E., Duarte, C.M., Alvarez, M., 2010. Vulnerability of marine biodiversity to ocean acidification: a meta-analysis. Estuarine, Coastal and Shelf Science, doi:10.1016/j.ecss.2009.11.022.] proposed an alternative view and suggested, based on a meta-analysis, that marine biota may be far more resistant to ocean acidification than hitherto believed. However, such a meta-analytical approach can mask more subtle features, for example differing sensitivities during the life-cycle of an organism. Using a similar metric on an echinoderm database, we show that key bottlenecks present in the life-cycle (e.g. larvae being more vulnerable than adults) and responsible for driving the whole species response may be hidden in a global meta-analysis. Our data illustrate that any ecological meta-analysis should be hypothesis driven, taking into account the complexity of biological systems, including all life-cycle stages and key biological processes. Available data allow us to conclude that near-future ocean acidification can/will have dramatic negative impact on some marine species, including echinoderms, with likely consequences at the ecosystem level. |
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| Keywords: | ocean acidification climate change echinoderms meta-analysis life-cycle bottleneck |
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