Figures & data
Figure 1. Abundance and species richness of all farmland bird species and farmland bird species of conservation concern. Paired sites are linked with lines, slight jittering along the x-axis is added to avoid symbol over-plotting. Note that the y-axes of the two left subplots are presented in a non-linear scale.
Figure 2. Abundance of three farmland bird species (Tree sparrow, Yellowhammer, Chaffinch) at manure heaps and in adjacent control farmland. Other explanations see .
Supplemental material
