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Fig. 1 | BMC Evolutionary Biology

Fig. 1

From: The sensitivity of a honeybee colony to worker mortality depends on season and resource availability

Fig. 1

Elasticity of colony growth rate to nurse mortality. Nurse mortality is represented as a Gompertz-Makeham function, with γn as the age-independent component of nurse mortality, αn as the initial age-dependent component of nurse mortality, and βn as the age-dependent increase in nurse mortality. Colonies are less elastic to age-independent mortality in winter (low extrinsic mortality, low forager productivity, low forager transition rate) than in summer (high extrinsic mortality, high forager productivity, high forager transition rate) or spring (intermediate extrinsic mortality, intermediate forager productivity, high forager transition rate). In contrast, colonies are more elastic to initial age-dependent mortality and age-dependent increase in mortality in winter than in summer or spring. For full parameter values, see Additional file 1: Table S1

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