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Projected ranges of climate change impacts on African agriculture, expressed as change in percent relative to present conditions. Bar widths indicate the spatial extent of the projection, and shading depicts the methodology. Sources: Pae08 (10), Seo08 (9), Liu08 (7), Lob08 (11), Ben08 (12), Mue09 (13), Nel09 (8), Tho09 (14), Tho10 (15), Sch10 (16), Cli07 (5), Wal08 (17), Seo09 (18), and Tan10 (19).
