Page 182 - Climate Change and Food Systems

climate change and food systems: global assessments and implications for food security and trade
figure 9
Change (%) in rainfed maize yield for Southern Africa due to climate change, 2050, A1B scenario
Source: Authors
Notes: Results for the CNRM (top left), CSIRO (top right), ECHAM (bottom left), and MIROC (bottom right) GCMs
table 6
Baseline area lost
Yield lost > 25% of baseline
Yield lost 5% to 25% of baseline Yield change within 5% of baseline Yield gain 5% to 25% of baseline Yield gain > 25% of baseline
New area gained
Yield changes (%) for various crops in East Africa as a result of climate change, 2000 - 2050
Water
Crop
CNRM
CSIRO
ECHAM
MIROC
Rainfed Groundnuts -8.3
Rainfed Maize 1.5
Irrigated Rice -19.7
Rainfed Rice 2.2
Rainfed Sorghum -15.5
Rainfed Soybeans -21.4
Irrigated Wheat 1.7
Rainfed Wheat -6.2
Source: Authors
1.9 2.4 11.6
2.5 -1.7 6.3
-10.4 -17.3 -18.7
2.8 3.4 6.7
-6.0 -7.4 -0.5
-10.0 -15.9 -10.6
-12.9 -16.1 -10.1
-5.4 -13.8 -7.9
162