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Mullin, S. K., Taylor, P. J. & Pillay, N. 2004. Skull size and ... - Durban

Mullin, S. K., Taylor, P. J. & Pillay, N. 2004. Skull size and ... - Durban

Mullin, S. K., Taylor, P. J. & Pillay, N. 2004. Skull size and ... - Durban

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MULLIN_08 13/08/04 12:45 Page 16<br />

<strong>Mullin</strong> S. K. et al.<br />

(explaining 26.61% of the variation) with western<br />

<strong>and</strong> northern OTUs more similar to west African<br />

material <strong>and</strong> eastern OTUs more similar to east<br />

Africa material. This pattern was not due to isolation<br />

by distance as indicated by the non-significance<br />

of the matrix correlation between geographical<br />

<strong>and</strong> morphometric distances for the DRC localities.<br />

Figure 6c (Wilks λ =0.007, p < 0.01) showed a<br />

plot of material from Ethiopia, Sudan, Kenya,<br />

Ug<strong>and</strong>a, Rw<strong>and</strong>a <strong>and</strong> Burundi. Both Ethiopian<br />

OTUs (29-Lake Tana <strong>and</strong> 30-Jimma) were distinct<br />

from other East African material on the first<br />

axis while D. montanus was distinct on the second<br />

axis. In Figure 6d (Wilks λ =0.000, p < 0.01),<br />

the relationship between OTUs from Angola,<br />

Malawi, Mozambique, Tanzania <strong>and</strong> Nigeria was<br />

examined (Wilks λ =0.000, p

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