Table 1. Field sites in West Africa with location, annual precipitation, and number of households (HH) sampled.

Country Site Location, UTM
coordinates
Avg. annual
precip., mm
HH sampled
Burkina Faso Bidi-2† 30P, 786000 E,
1590000 N
450 41
Yomboli † 30P, 786000 E,
1621000 N
400 40
Dano § 30P, 494000 E,
1231000 N
900 105
Tougou ‡ 30P, 581000 E,
1513000 N
650 98
Ziga § 30P, 736000 E,
1396000 N
750 99
Mali Dianguirdé ‡ 29P, 500000 E,
1603000 N
600 106
Gogui ‡ 29P, 465000 E,
1734000 N
600 99
Nankorola § 29P, 856000 E,
1401000 N
800 100
Niger Banizoumbou † 31P, 493000 E,
1529000 N
450 86
Guidan Roumji † 32P, 251000 E,
1511000 N
450 71
Mountseka † 31P, 610000 E,
1522000 N
450 93
Nigeria Chingowa † 33P, 267000 E,
1334000 N
500 45
Kalalawa § 31P, 719000 E,
1460000 N
750 50
Zangon Buhari § 32P, 452000 E,
1289000 N
800 47
Senegal Barkedji † 28P, 514000 E,
1688000 N
400 45
Kaffrine ‡ 28P, 457000 E,
1570000 N
630 124
TOTAL 1249

† 400-500 mm rainfall zone, total households sampled: 383
‡ 500-700 mm rainfall zone, total households sampled: 472
§ 700-900 mm rainfall zone, total households sampled: 404