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Drosophila orena’s climatic niche. (A) Climatic space across the island of Bioko and the position in this space for sites where we collected D. orena (red points; elevation in meters above sea level is shown beside these points). (B) Variation in four representative bioclimatic variables that loaded heavily on the PC axes shown in (A) across the island of Bioko (ppt. = precipitation; min. = minimum; temp. = temperature).
