Technical Comments

Comment on “A Keystone Mutualism Drives Pattern in a Power Function”

Science  22 Sep 2006:
Vol. 313, Issue 5794, pp. 1739c
DOI: 10.1126/science.1129595

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Abstract

Vandermeer and Perfecto (Reports, 17 February 2006, p. 1000) maintain that a mutualist ant disrupts the power law distribution of scale insect abundances. However, reanalysis of the data reveals that ants cause an increase in the range of the power law and modify its exponent. We present a tentative, but more realistic, model that is suitable for quantitative predictions.

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