Title Authors Year
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
Effects of nitrogen loading on wetland ecosystems, with particular reference to atmospheric deposition

Morris, J.T…

1991
Influence of HN3 and (HN4)2 SO4 on heathland vegetation

Van der…

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

Hove, L.W.A…

1991
Forestry and soil protection in the UK

Moffatt, A.…

1991
Concurrent exposure to SO2 and/or NO2 alters groweth and Yield responses of wheat and barley to low concentrations of O3.

Adaros, G…

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

…

1991
Mechansims of adaptions of plants to acid soils

Marschner,…

1991
Changes in species composition of semi-natural vegetation associated with the increase in atmospheric inputs of nitrogen

Pitcairn, C…

1991