Usually vigorous less palatable species with a reduction in diversity. The conflicting pressures on the Broads. Taking core samples from the mud at the bottom of the lake to examine past use and the impact of boating. The succession of species after the area was flooded in the Middle Ages. Fertilisers running off farmland and additional phosphate from detergents leading to eutrophication.
Algal growth stops bottom living plants and exposes the banks to greater erosion.
The reed beds as a habitat for wildlife. Methods of preserving the Broads. Damming off rivers containing high levels of phosphate. Removing phosphate with ferric sulfate. OHP phosphate levels in the Broads.