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(A) Number of kelp ecology papers by nation (ISI Web of Science search on “kelp,” 2002–2011, n = 402 ecology papers). (B) Number of ecology papers focussed on each major benthic marine habitat type in the UK (2002–2011, n = 187 papers); I-R = intertidal rocky, S-S = subtidal soft, I-S = intertidal soft, S-R = subtidal rocky.
