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Ideas and perspectives: When ocean acidification experiments are not the same, repeatability is not tested

Abstract : Can experimental studies on the behavioural impacts of ocean acidification be trusted? That question was raised in early 2020 when a high-profile paper failed to corroborate previously observed responses of coral reef fish to high CO2. New information on the methodologies used in the “replicated” studies now provides a plausible explanation: the experimental conditions were substantially different. High sensitivity to test conditions is characteristic of ocean acidification research; such response variability shows that effects are complex, interacting with many other factors. Open-minded assessment of all research results, both negative and positive, remains the best way to develop process-based understanding. As in other fields, replication studies in ocean acidification are most likely to contribute to scientific advancement when carried out in a spirit of collaboration rather than confrontation.
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https://hal.sorbonne-universite.fr/hal-03196460
Contributor : Gestionnaire Hal-Su <>
Submitted on : Monday, April 12, 2021 - 6:53:24 PM
Last modification on : Tuesday, April 13, 2021 - 3:32:39 AM

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Phillip Williamson, Hans-Otto Pörtner, Steve Widdicombe, Jean-Pierre Gattuso. Ideas and perspectives: When ocean acidification experiments are not the same, repeatability is not tested. Biogeosciences, European Geosciences Union, 2021, 18 (5), pp.1787 - 1792. ⟨10.5194/bg-18-1787-2021⟩. ⟨hal-03196460⟩

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