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. 2018 May 2;8(11):5765–5776. doi: 10.1002/ece3.4115

Figure 3.

Figure 3

Regression of environmental variables on Bombus impatiens pollen nutrient concentrations. We conducted multiple regression on daily temperatures and time of day on pollen nutrient concentrations (shown as mean ± SE) collected by bumble bees. Protein concentrations of bumble bee‐collected pollen differed by maximum daily temperature and time of day (F 3,98  = 10.93, p < .01, R 2  = .26), while lipid concentrations did not (F 3,89  = 0.44, R 2  = .015) revealing environmental effects on bumble bee collection of pollen protein concentrations and consistent collection of pollen lipid concentrations