Abundances

Species identities and relative abundances of each species on each sampling point of each field

Appendix C. The α and β diversities within each region disregarding agricultural intensification.

The α and β diversities within each region disregarding agricultural intensification

Appendix B. Results of the analysis with a reduced data set.

Results of the analysis with a reduced data set

Appendix A. Details on the breeding-bird sampling protocol.

Details on the breeding-bird sampling protocol