From: Ascertaining gene flow patterns in livestock populations of developing countries: a case study in Burkina Faso goat
Boundary
Z
r
p-value
i) present limit of the Sahel area
3.28
0.166
0.072
ii) present limit of the Sudan area
2.53
0.233
0.037
iii) present Northern tsetse limit
3.39
0.155
0.008
iv) tsetse limits + human action1
2.97
0.167
0.046