The cooperation on square lattice with limited resource.

<p>(a) Time evolution of average characteristic parameter <i>CP</i>. (b) The number of dead individuals as a function of resource rate <i>c</i> for different temptation to defection <i>b</i>. (c) The average characteristic parameter as a function of resource rate <i>c</i> for different temptation to defection <i>b</i>. (d) The standard deviation of <i>CP</i> for the system a function of resource rate <i>c</i> for different <i>b</i>. Each data point is an average of 100 independent realizations.