§ Mr. William Rossasked the Minister of Agriculture, Fisheries and Food whether he has any evidence that salmon are adapting successfully to waters where the pH value has been lowered as a result of acid rain; and what information he has as to the waters in England and Wales where the populations of such fish are known to have been affected by the increasing acidity of the water.
§ Mr. Buchanan-SmithI understand that some salmon nursery areas in Cumbria and the headwaters of the river Tywi in Dyfed may have been adversely affected by low pH. I am not, however, in a position to draw any general conclusions on the extent to which salmon have adapted to such waters.