The influence of the few: a stable 'oligarchy' controls information flow in house-hunting ants.
The influence of the few: a stable 'oligarchy' controls information flow in house-hunting ants.
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DOI：
10.1098/rspb.2017.2726
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发表时间：
2018-02-14
期刊：
影响因子：
--
通讯作者：
Schlegel T
中科院分区：
文献类型：
--
作者：
Richardson TO;Mullon C;Marshall JAR;Franks NR;Schlegel T
群居的动物通常面临着艰难的选择，例如利用哪种食物资源，或者向哪个方向逃跑以应对捕食者。当存在与僵局或群体分裂相关的成本时，群体达成共识决策至关重要。在这里，我们研究的共识形成移民蚁群面临着两个相同的巢址之间的二元选择。通过用独特的射频识别微芯片单独标记每只蚂蚁，然后记录所有蚂蚁之间的“串联运行”--传递潜在巢穴信息的刻板的物理相互作用--我们组装了追踪整个殖民地共识传播的网络。通过反复的移民，我们表明，这些网络组装的顺序和每个人在其中的位置是一致的，从移民到移民。我们表明，共识的形成是委托给一个有影响力的，但独家少数高度活跃的个人-一个“寡头政治”-这是进一步分为两个小组，每个专门后，一个不同的串联运行的角色。最后，我们表明，通信主要发生在子组之间，而不是在它们内部，而且，这种组间通信比组内通信更有效。
Animals that live together in groups often face difficult choices, such as which food resource to exploit, or which direction to flee in response to a predator. When there are costs associated with deadlock or group fragmentation, it is essential that the group achieves a consensus decision. Here, we study consensus formation in emigrating ant colonies faced with a binary choice between two identical nest-sites. By individually tagging each ant with a unique radio-frequency identification microchip, and then recording all ant-to-ant ‘tandem runs’—stereotyped physical interactions that communicate information about potential nest-sites—we assembled the networks that trace the spread of consensus throughout the colony. Through repeated emigrations, we show that both the order in which these networks are assembled and the position of each individual within them are consistent from emigration to emigration. We demonstrate that the formation of the consensus is delegated to an influential but exclusive minority of highly active individuals—an ‘oligarchy’—which is further divided into two subgroups, each specialized upon a different tandem running role. Finally, we show that communication primarily occurs between subgroups not within them, and further, that such between-group communication is more efficient than within-group communication.
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DOI：
10.1007/bf00694481
发表时间：
1974-01-01
期刊：
JOURNAL OF COMPARATIVE PHYSIOLOGY
影响因子：
--
作者：
HOLLDOBLER, B;MOGLICH, M;MASCHWITZ, U
通讯作者：
MASCHWITZ, U
DOI：
10.1098/rspb.2013.1724
发表时间：
2013-10-22
影响因子：
4.7
作者：
Nakayama, Shinnosuke;Stumpe, Martin C.;Johnstone, Rufus A.
通讯作者：
Johnstone, Rufus A.
影响因子：
2.5
作者：
Dornhaus, A;Franks, NR;Shere, HNS
通讯作者：
Shere, HNS
影响因子：
2.3
作者：
Pratt, SC;Mallon, EB;Franks, NR
通讯作者：
Franks, NR
影响因子：
9.2
作者：
Biro, Dora;Sumpter, David J. T.;Guilford, Tim
通讯作者：
Guilford, Tim