Fig. 4From: Meta-analysis reveals severe pollen limitation for the flowering plants growing in East Himalaya-Hengduan Mountains regionCorrelation between elevation and the degree of pollination limitation. The within-category heterogeneity (Qm), P value and correlation coefficient are presented. Red dash line is the abline, the black solid line is the fitting line between elevation and the degree of pollen limitation, 2 black dash lines show the interval confidenceBack to article page