Figure 2 : Simulated correlations in the number of processed tasks between active and inactive workers.

From: Lazy workers are necessary for long-term sustainability in insect societies

Figure 2

(a) The correlation in the number of processed tasks in a time step between active (top 10%) and inactive (bottom 10%) workers in a representative simulation run. There is a negative relationship between active and inactive workers, meaning that inactive workers process more tasks when active workers rest. Task replacements of fatigued active workers by inactive workers explain this negative correlation. (b) Distributions of the above correlation among several different degrees of fatigue. When the degree of fatigue is low (tired workers recover from fatigue sooner), the distribution is positively skewed. This trend indicates that task replacements occur only under high degrees of fatigue, and that no fatigue does not require any reservoir because all workers can process tasks in the next time step (such a condition is impossible in actual animals).