APIS Bibliography

Title	Authors	Year
Concurrent exposure to SO2 and/or NO2 alters groweth and Yield responses of wheat and barley to low concentrations of O3.	Adaros, G…	1991
Physiological effects of long term exposure to low concentrations of SO2 and NH3 on poplar leaves.	Hove, L.W.A…	1991
Increases in soil acidity in north west Wales between 1957 and 1990	…	1991
Changes in species composition of semi-natural vegetation associated with the increase in atmospheric inputs of nitrogen	Pitcairn, C…	1991
Decline of ectomycorrhizal fungi in Europe.	Arnolds, E…	1991
Effects of nitrogen loading on wetland ecosystems, with particular reference to atmospheric deposition	Morris, J.T…	1991
Air pollution and agriculture	Ashmore, M.…	1991
Physiological-effects of long-term exposure to low concentrations of SO2 and NH3 on poplar leaves	Hove, L.W.A…	1991
The yield of winter cereals exposed to sulphur dioxide under field conditions.	McLeod, A.R…	1991
Mechansims of adaptions of plants to acid soils	Marschner,…	1991