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. 2011 Jun 29;6(6):e21710. doi: 10.1371/journal.pone.0021710

Table 2. Pairwise Spearman rank correlations of family and guild richness and abundance of studied sites.

USA Portugal (Gerês) Portugal (Arrábida) Guyana Cameroon Tanzania Madagascar
Richness
USA 1 0.814* 0.874** 0.777* 0.635 0.802* 0.599
Portugal (Gerês) 0.122 1 0.857** 0.778* 0.833* 0.881** 0.857**
Portugal (Arrábida) 0.299 0.724* 1 0.850** 0.881** 0.976*** 0.810*
Guyana 0.216 0.834** 0.801* 1 0.898** 0.826* 0.874**
Cameroon 0.180 0.700 0.633 0.946*** 1 0.905** 0.976***
Tanzania 0.619 0.732* 0.778* 0.814* 0.755* 1 0.833*
Madagascar −0.238 0.708* 0.611 0.850** 0.886** 0.524 1
Abundance
USA 1 0.762* 0.690 0.762* 0.762* 0.762* 0.643
Portugal (Gerês) 0.725* 1 0.952*** 0.905** 1.000*** 0.952*** 0.952***
Portugal (Arrábida) 0.691 0.852** 1 0.786* 0.952*** 0.929*** 0.929***
Guyana 0.123 0.515 0.158 1 0.905** 0.762* 0.905**
Cameroon −0.122 0.439 0.193 0.802* 1 0.952*** 0.952***
Tanzania 0.220 0.146 0.133 0.479 0.500 1 0.833*
Madagascar −0.146 0.390 0.205 0.479 0.548 −0.143 1

Family below and guild above diagonals. For family richness and abundance we only used the eight most rich or abundant families on average for all sites.

*p<0.05;

**p<0.01;

***p<0.001.