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Science 18 August 2006:
Vol. 313. no. 5789, p. 918
DOI: 10.1126/science.1121569
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Technical Comments

Response to Comment by Volkov et al. on "Computational Improvements Reveal Great Bacterial Diversity and High Metal Toxicity in Soil"

Jason Gans, Murray Wolinsky, John Dunbar*

Volkov et al. claim that significant conclusions about the total number of species (S) cannot be made because different abundance models cannot be distinguished and the sensitivity of the chi-square measure to changes in estimates of S is low. We point out that currently available data do not support these claims.

Bioscience Division, Los Alamos National Laboratory, Los Alamos, NM, 87501, USA.

* To whom correspondence should be addressed. E-mail: jdunbar{at}lanl.gov

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Science. ISSN 0036-8075 (print), 1095-9203 (online)