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Cerna K. et al.<br />
Lepidoptera in Sudetes Mts.: effect of area and isolation<br />
Table 4. Effect of connectivity (S i ), area (A) and distance (d) on species richness on the<br />
basis of “zero isocline” model<br />
No. of species ~ area (km) + distance + S i<br />
Df Deviance Resid. Df Resid. Dev Pr(Chi)<br />
9 20.42<br />
area (km) 1 7.29 8 13.14 0.006 **<br />
S i 1 6.89 7 6.24 0.007 **<br />
distance 1 0.73 6 5.51 0.38<br />
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