Figure 3From: Ticks in the wrong boxes: assessing error in blanket-drag studies due to occasional samplingRecorded nymphal tick activity from three-weekly sampling visits at two plots in Exmoor, south-west England. The solid vertical line marks the date at which the peak nymph activity was recorded the previous year at a separate nearby plot; dashed lines denote the limits of the 60-day sampling window from which the samples shown in Figure 2c and d were taken.Back to article page