蜂巢的几何形状决定了蜂群的补充率
Hive geometry shapes the recruitment rate of honeybee colonies
摘要：
蜜蜂以数百到数千只的群体做出觅食和巢址选择的决定。为了有效地做出这些决定，蜜蜂需要在一个空间分布的群体中进行交流。然而，蜜蜂通信的时空动态在集体决策模型中大多被忽视，主要集中在意见动态的平均场模型上。我们分析了巢或蜂巢的空间属性，以及具有不同信仰状态（未承诺或承诺）的个体的运动如何影响信息传输的速率，使用空间扩展的模型在一个蜂巢内的集体决策。蜜蜂摇摆舞招募同种的强度是一个阈值的摇摆浓度的非线性函数。我们的模型范围从处理蜂巢作为一个连续的线（长窄蜂巢）的离散补丁链。人口阈值的招聘和划分的人口的组合产生的快速信息传播与强大的人口扩散和招聘失败之间的权衡，导致过度的人口扩散，也创造了一个有效的殖民地水平的信号检测机制，从而招聘到低质量的目标被阻止。
英文摘要：
Honey bees make decisions regarding foraging and nest-site selection in groups ranging from hundreds to thousands of individuals. To effectively make these decisions bees need to communicate within a spatially distributed group. However, the spatiotemporal dynamics of honey bee communication have been mostly overlooked in models of collective decisions, focusing primarily on mean field models of opinion dynamics. We analyze how the spatial properties of the nest or hive, and the movement of individuals with different belief states (uncommitted or committed) therein affect the rate of information transmission using spatially-extended models of collective decision-making within a hive. Honeybees waggle-dance to recruit conspecifics with an intensity that is a threshold nonlinear function of the waggler concentration. Our models range from treating the hive as a chain of discrete patches to a continuous line (long narrow hive). The combination of population-thresholded recruitment and compartmentalized populations generates tradeoffs between rapid information propagation with strong population dispersal and recruitment failures resulting from excessive population diffusion and also creates an effective colony-level signal-detection mechanism whereby recruitment to low quality objectives is blocked.
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