Fig. 3From: How can ecosystem engineer plants boost productivity in east Mediterranean drylandsThe density (plants/m2) of T. capitata around Z. lotus per zone in sites a R and b S. The horizontal line within each box represents the median. Statistically, significant differences exist between Zones 1 and Zone 3 in both sites at p < 0.01 for R and p < 0.0001 for SBack to article page