Fig. 2From: Dispersal and adaptation strategies of the high mountain butterfly Boloria pales in the Romanian CarpathiansEstimated population size of B. pales for every sampling day. a Grazed Sector, (b) Ungrazed Sector; Vertical bars represent days with harsh weather conditions (grey bars: no sampling on days with rain events, green bar: day after frost event at night); error bars represent the standard error of the calculated population size from the program MARK; note that the graphs have different units on the x-axisBack to article page