Table 3 Projected changes (%) in crop productivity from 2000 to 2050 owing to climate change in West Africa based on the IMPACT model
Crop | No climate change | Median of 4 GCMs | MIROC | MIROCCSIRO | CSIRO A1B | |
|---|---|---|---|---|---|---|
B1 | A1B | B1 | ||||
Cassava | 49.5 | 46.3 | 37.2 | 62.5 | 35.5 | 55.5 |
Cotton | 90.9 | 80.8 | 76.5 | 85.2 | 71.4 | 89.1 |
Groundnuts | 42.0 | 42.5 | 43.9 | 47.3 | 35.4 | 41.1 |
Maize | 57.4 | 57.3 | 59.8 | 58.7 | 53.0 | 55.9 |
Millet | 147.2 | 154.0 | 176.2 | 156.2 | 151.9 | 147.5 |
Rice | 89.3 | 89.1 | 89.1 | 89.7 | 87.5 | 89.1 |
Sorghum | 94.1 | 97.4 | 106.3 | 99.4 | 95.5 | 95.2 |
Soybeans | 81.5 | 79.2 | 77.7 | 78.5 | 80.0 | 84.6 |
Sweet potatoes and yams | 73.5 | 60.7 | 49.1 | 84.0 | 48.1 | 72.3 |