Figure 3

Effect of human agricultural interferences on the nest distributions in C. mauritanica and C. bicolor. a. Map of the locations of the 6 small-scale focus areas (dark grey, a-f). For geographic position of the entire area see Fig. 1b. b. Nest distributions of C. mauritanica (red circles) and C. bicolor (blue squares) in the years 2001 (open symbols) and 2004 (filled symbols). Areas that had been used agriculturally during the 3-year test period are shown in light grey.