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