Data from: The effect of keystone individuals on collective outcomes can be mediated through interactions or behavioral persistence
Pinter-Wollman, Noa, University of California, San Diego
Keiser, Carl Nick, University of Pittsburgh
Wollman, Roy, University of California, San Diego
Pruitt, Jonathan, University of California, Santa Barbara
Published Oct 23, 2020 on Dryad.
Cite this dataset
Pinter-Wollman, Noa; Keiser, Carl Nick; Wollman, Roy; Pruitt, Jonathan (2020). Data from: The effect of keystone individuals on collective outcomes can be mediated through interactions or behavioral persistence [Dataset]. Dryad. https://doi.org/10.5061/dryad.5mm01
Collective behavior emerges from interactions among group members who often vary in their behavior. The presence of just one or a few keystone individuals, such as leaders or tutors, may have a large effect on collective outcomes. These individuals can catalyze behavioral changes in other group members, thus altering group composition and collective behavior. The influence of keystone individuals on group function may lead to trade-offs between ecological situations, because the behavioral composition they facilitate may be suitable in one situation but not another. We use computer simulations to examine various mechanisms that allow keystone individuals to exert their influence on group members. We further discuss a trade-off between two potentially conflicting collective outcomes, cooperative prey attack and disease dynamics. Our simulations match empirical data from a social spider system and produce testable predictions for the causes and consequences of the influence of keystone individuals on group composition and collective outcomes. We find that a group's behavioral composition can be impacted by the keystone individual through changes to interaction patterns or behavioral persistence over time. Group behavioral composition and the mechanisms that drive the distribution of phenotypes influence collective outcomes and lead to trade-offs between disease dynamics and cooperative prey attack.
Empirical data used to produce observed boldness distributions (Figure 4) and calculate persistence based on 90 and 24 days (appendix, Figure 1A).
R code for the simulation of keystone effects on collective outcomes
This is an R script of the simulation code used in the preparation of the manuscript "The effect of keystone individuals on collective outcomes can be mediated through interactions or behavioral persistence".