Fig. 1From: Herbicide concentrations in waterways following aerial application in a steepland planted forest in New ZealandLocation of the trial catchment in the eastern Bay of Plenty, New Zealand, showing the areas aerially treated with terbuthylazine and hexazinone, the location of the four sets of tracer plates (1–4) and the location of the three water-monitoring points (W1, W2 and W3) within the stream networkBack to article page