Title Authors Year
Conservation of freshwater fish in the British Isles: the current status and biology of threatened species. Aquatic Conservation

Maitland, P…

1991
Increases in soil acidity in north west Wales between 1957 and 1990

…

1991
Single and Interactive Effects of Low Levels of O3, SO2 and NO2 on the Growth and Yield of Spring Rape.

Adaros, G…

1991
Decline of ectomycorrhizal fungi in Europe.

Arnolds, E…

1991
Seasonal variations in acidic pollutant inputs and their effects on the chemistry of stemflow, bark and epiphyte tissues in three oak woodlands in N.W. Britain

Farmer, A.M…

1991
Zeigerwerte von Pflanzen in Mitteleuropa

Ellenberg,…

1991
Atmospheric Transport of Iron and Its Deposition in the Ocean

Duce, R. A…

1991
Effects of nitrogen loading on wetland ecosystems, with particular reference to atmospheric deposition

Morris, J.T…

1991
Physiological-effects of long-term exposure to low concentrations of SO2 and NH3 on poplar leaves

Hove, L.W.A…

1991
Acid deposition: its nature and impacts

Last, F.T…

1991