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. 2011 Oct 25;6(10):e25496. doi: 10.1371/journal.pone.0025496

Figure 3. An invasion simulation of Darwinian dynamics of the linear PGG.

Figure 3

(Upper-left) Evolution of the frequencies of the ESS and the invader strategy starting from Inline graphic and Inline graphic respectively. (Upper-right) Evolution of the ESS and the invader strategy starting from Inline graphic and Inline graphic and ending up with the latter evolving to the former. (Lower) Evolution of the adaptive landscape and the two strategies: Inline graphic (i.e., before the invasion happens), Inline graphic is the global maximum; Inline graphic (i.e., the invasion happens), the adaptive landscape is elevated with Inline graphic still being the global maximum and Inline graphic being the global minimum; Inline graphic, the invader strategy climbs up with the adaptive landscape going down; Inline graphic, the invader strategy coincides with Inline graphic and reaches the top of the adaptive landscape, which falls back to the state before the invasion happens. Parameters: Inline graphic, Inline graphic, and Inline graphic.