We do work with partner organisations and the public to tackle the threats of invasive non-native species in Wales. I recognise that Japanese knotweed is a significant problem. We have actively funded innovative trials. Two things: first of all, chemical treatments, but secondly, bio control, through using a natural psyllid predator. Of course, you have to be careful doing that in case you introduce an even greater problem, as the Australians will tell you, with some of the things that they've done—with sugar cane, particularly. But nevertheless, those trials are ones that we have funded in order to get to grips with the problem.