Appendix A. Study area, study design and sample sizes used in this study.

Study area, study design and sample sizes used in this study

Appendix C. List of plant species collected for (i) pollen and (ii) nectar, species affiliation within resource types and mass proportion (%), ranked the most to the least annually collected by resource type.

List of plant species collected for (i) pollen and (ii) nectar, species affiliation within resource types and mass proportion (%), ranked the most to the least annually collected by resource type

Appendix F. Seasonal patterns of (a) total brood area and (b) colony size of honey bee colonies from the same study area (redrawn from Odoux et al. (2014) with one year update (2008 to 2012).

Seasonal patterns of (a) total brood area and (b) colony size of honey bee colonies from the same study area (redrawn from Odoux et al. (2014) with one year update (2008 to 2012)

Appendix E. Nutritional value of analysed pollen.

Nutritional value of analysed pollen

Appendix B. The number data samples for pollen and nectar.

The number data samples for pollen and nectar

Appendix D. Annual phenological deviation estimated by cumulative temperature sum from a national French meteorological station (http://climat.meteofrance.com/) located in Niort, on the northern edge of the study area.

Annual phenological deviation estimated by cumulative temperature sum from a national French meteorological station (http://climat.meteofrance.com/) located in Niort, on the northern edge of the study area