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. 2016 Dec 23;39(1):37–43. doi: 10.1016/j.pld.2016.11.007

Fig. 2.

Fig. 2

Variation in community phylogenetic relatedness along latitudinal and longitudinal gradients as measured with the NRI (A and B) and the NTI (C and D). Positive index values indicate phylogenetic clustering, and negative values indicate phylogenetic overdispersion.