@article {600, title = {Long-term changes in fish populations of acid streams and lochs in Galloway south West Scotland.}, journal = {Water, Air and Soil Pollution}, volume = {32}, year = {1987}, pages = {89-112}, author = {Harriman, R. and Morrison, B.R.S. and Caines, L.A. and Collen, P. and Watt, A.W.} }