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. 2013 May 28;1:e77. doi: 10.7717/peerj.77

Figure 4. The natural log of the distance moved by the centre of mass for different dispersal mechanisms of species with increasing occupancy. Error bars are two standard errors of the mean.

Figure 4

The number of species in each group were for England, south - Mammals 15, Ants 9, Birds 41, Explosive 10, Not obvious 249, Water 29, Wind 69. England, north - Mammals 12, Ants 4, Birds 33, Explosive 8, Not obvious 178, Water 32, Wind 63. Wales - Mammals 6, Ants 6, Birds 10, Explosive 7, Not obvious 143, Water 20, Wind 43. Scotland - Mammals 8, Ants 8, Birds 14, Explosive 4, Not obvious 141, Water 13, Wind 58.