Ecological Archives E092-026-A1/font>

Stefan A. Schnitzer, John N. Klironomos, Janneke HilleRisLambers, Linda L. Kinkel, Peter B. Reich, Kun Xiao, Matthias C. Rillig, Benjamin A. Sikes, Ragan M. Callaway, Scott A. Mangan, Egbert H. van Nes, and Marten Scheffer. 2011. Soil microbes drive the classic plant diversity–productivity pattern. Ecology 92:296–303.

Appendix A. Additional details describing the non-neutral theoretical model.

In the absence of pathogens, a strict neutral model (α = 1) resulted in a horizontal line. To test whether slight deviations from neutrality provided an adequate model for observed empirical patterns, we allowed some variation in the neutral model (α = 0.9 to 1.0).

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