Howells,G. & Dalziel,T.R.K. — Restoring Acid Waters: Loch Fleet 1984-1990

Elsevier Applied Science, 1992. Hardcover. Exhaustive study of a hill loch in the Gallway National Park. Trout dissapeared from the Loch in living memory as the waters became more acid due to industrial pollution - acid rain . An extensive six year study involved net and electric fishing to prove the abscence of fish. Lime was then introduced to change the pH and fish succesfully introduced. 421p fine with plates (some coloured), maps and diagrams. Fine condition without marks or signatures See scans. . Fine