( 2009 ), the Spearman rank correlation between land use intensity and carbaryl tolerance (represented by the EC 50 ) in the original populations shows a marginally nonsignificant positive association ( r = 0.739; P = 0.058; Fig. 2 A).
treatment during the selection experiment) had a highly significant effect on carbaryl tolerance in the control treatment of our selection experiment, whereas exposure to carbaryl pulses did not result in an overall increase in carbaryl tolerance, even though the concentrations we applied in our selection experiment were quite high.