Experimental design in ocean acidification research: problems and solutions.
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Cornwall, Christopher E.
Hurd, Catriona L.
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Ocean acidification has been identified as a risk to marine ecosystems, and substantial scientific effort has been expended on investigating its effects, mostly in laboratory manipulation experiments. However, performing these manipulations correctly can be logistically difficult, and correctly designing experiments is complex, in part because of the rigorous requirements for manipulating and monitoring seawater carbonate chemistry. To assess the use of appropriate experimental design in ocean acidification research, 465 studies published between 1993 and 2014 were surveyed, focusing on the methods used to replicate experimental units. The proportion of studies that had interdependent or non-randomly interspersed treatment replicates, or did not report sufficient methodological details was 95%. Furthermore, 21% of studies did not provide any details of experimental design, 17% of studies otherwise segregated all the replicates for one treatment in one space, 15% of studies replicated .....
JournalICES Journal of Marine Science
Sustainable Development Goals (SDG)14.3
Essential Ocean Variables (EOV)Inorganic carbon
Best Practice TypeBest Practice
CitationCornwall, C. E. and Hurd, C. L.(2016) Experimental design in ocean acidification research: problems and solutions. ICES Journal of Marine Science, 73, pp.572–581. DOI: 10.1093/icesjms/fsv118