APIS Bibliography

Title	Authors	Year
Physiological-effects of long-term exposure to low concentrations of SO2 and NH3 on poplar leaves	Hove, L.W.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
Forestry and soil protection in the UK	Moffatt, 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
Zeigerwerte von Pflanzen in Mitteleuropa	Ellenberg,…	1991
Air pollution and agriculture	Ashmore, M.…	1991
Proceedings of the 2nd workshop on sources of variation in ecotoxicological tests with Daphnia magna	Van der…	1991
Conservation of freshwater fish in the British Isles: the current status and biology of threatened species. Aquatic Conservation	Maitland, P…	1991