Adler et al. (Reports, 23 September 2011, p. 1750) eported “weak and variable” relationships between productivity and species richness and dispute the “humped-back” model (HBM) of plant diversity. We show that their analysis lacks sufficient high-productivity sites, ignores litter, and excludes anthropogenic sites. If corrected, the data set of Adler et al. would apparently yield strong HBM support.
Comment on “Productivity Is a Poor Predictor of Plant Species Richness”.
CERABOLINI, BRUNO ENRICO LEONE;
2012-01-01
Abstract
Adler et al. (Reports, 23 September 2011, p. 1750) eported “weak and variable” relationships between productivity and species richness and dispute the “humped-back” model (HBM) of plant diversity. We show that their analysis lacks sufficient high-productivity sites, ignores litter, and excludes anthropogenic sites. If corrected, the data set of Adler et al. would apparently yield strong HBM support.
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