“…The vast majority of published work has been focussed in the Plynlimon catchments in Mid-Wales, complemented by other work in Wales at Beddgelert, Llyn Brianne, and Llanbrymair (e.g. Reynolds et al, 1989Reynolds et al, , 1992Neal et al, 1992;Soulsby, 1995;Hudson et al, 1997;Reynolds et al, 2004). In Scotland, where much of the UK's commercial forestry has been planted, experimental catchments have been established at Balqhuidder (e.g.…”