Table 4.

AEZ-estimated impacts on potentially attainable rainfed cereal-production in the 2080s, SRES A2, for currently cultivated land of sub-Saharan African countries.

climate model	number of countries			projected population (billions)			change in cereal-production-potential (%)
G	N	L	G	N	L	G	N	L	total
HadCM3	14	11	16	0.58	0.23	0.78	5.3	0.7	−7.9	−1.9
CSIRO	16	8	17	0.63	0.24	0.73	3.3	0.1	−15.1	−11.7
CGCM2	13	14	14	0.79	0.32	0.49	6.0	0.0	−8.7	−2.7
NCAR	25	13	3	1.07	0.39	0.13	8.2	0.4	−0.8	7.8

G, countries gaining 5% or more; N, small change of −5 to +5%; L, countries losing 5% or more.