Factors Determining Species Diversity in Postfire California Chaparral and Sage Scrub: USGS Research Brief

In Diversity and Distributions, the authors found that determining the factors responsible for community-scale plant diversity in California shrublands is a multifaceted problem. 
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Keeley, J. E., C. J. Fotheringham, and M. Baer-Keeley. 2005. Factors affecting plant diversity during postfire recovery and succession of mediterranean-climate shrublands in California, USA. Diversity and Distributions 11:525–537.

Grace, J. B. and J. E. Keeley. 2006. A structural equation model analysis of postfire plant diversity in California shrublands. Ecological Applications 16:503-514.