Appendix S1


Appendix S1 Source of information for the estimated annual nectar and pollen production for land cover types

Full canopy nectar production is estimated from the honey potential class from Crane (1975) or expert knowledge using relative comparison of potential productions. Final nectar production (in kg/ha/yr) for each land cover class is the full canopy nectar production times the proportion cover p. Pollen production categories were assigned from expert knowledge. Full canopy pollen production was then estimated from pollen production category using a scale assumed to be 20–250 kg/ha/yr, based on findings from Denisow (2011). Final pollen production ( in kg/ha/yr) for land cover class is the full canopy pollen production times the proportion cover p times pollen quality q. The pollen quality was based on expert knowledge, supported by data on protein content where available.


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