Reliably predicting pollinator abundance: challenges of calibrating process-based ecological models

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