Site-scale sampling methodologies could be misleading, especially for arid, geographically heterogeneous, biodiversity hotspots. These authors (Taylor et al. 2012) use a landscape-scale methodology to examine one such habitat, 'tree mallee' that has similar fire and ecologic traits to central and southern semi-arid habitats like chaparral. In addition, this study shows that postfire age class heterogeneity doesn’t increase avian species richness in this semi-arid habitat with long fire return intervals.

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