Does agri-environment scheme participation in England increase pollinator populations and crop pollination services?

Mike Image, Emma Gardner, Yann Clough, Henrik G. Smith, Katherine C. R. Baldock, Alistair J. Campbell, Mike Garratt, Mark A. Gillespie, William E. Kunin, Megan McKerchar, Jane Memmott, Simon G. Potts, Deepa Senapathi, Graham N. Stone, Felix Wäckers, Duncan B. Westbury, Andrew Wilby, Tom H. Oliver, Tom D. Breeze