Brief Communications Arising
Nature 438, E2 (3 November 2005) | doi:10.1038/nature04309
Ecology: Is speciation driven by species diversity? (Reply)
Brent C. Emerson1 and Niclas Kolm1,2
Cadena et al.1 question our conclusion that species diversity can positively influence speciation rate on the basis of their analysis of a data set for West Indian land birds, in which an additional variable is added — lineage age. Here we clarify our hypothesis and show why their system is not suitable for testing whether species diversity can drive speciation.
- School of Biological Sciences, University of East Anglia, Norwich NR4 7TJ, UK
- Present address: Institute of Evolutionary Biology, School of Biological Sciences, Ashworth Laboratories, University of Edinburgh, Edinburgh EH9 3JT, UK
Correspondence to: Brent C. Emerson1 Email: b.emerson@uea.ac.uk
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