CONSERVATION is KEY - and keeping the lakeside in good shape is a demanding business. Given time, the destructiveness of mother nature knows no bounds - and will over a fifty year period, gradually ruin any stream-fed fishery, by encroaching upon the surface of the lake, with sedges and reeds, that - unmanaged - will diminish the surface area year on year. The schematic below, shows the effect of the above process - resulting In a  bill in the order of five figures to restore the lake to a serviceable & fishable condition.