Current patterns of macroalgal diversity and biomass in northern hemisphere rocky shores.

PLoS One · 2010 · PMC2951897 · PMID 20949030

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a slight trendno p-value reported

However, unlike taxon richness, biomass differences were not observed among intertidal heights or subtidal depths, although a slight trend of decreasing biomass with increasing depth was observed in the subtidal.

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