APIS Bibliography

Title	Authors	Year
Changes in species composition of semi-natural vegetation associated with the increase in atmospheric inputs of nitrogen	Pitcairn, C…	1991
Acid Rain - Critical and Target Load Maps for the United Kingdom	Environment…	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
Conservation of freshwater fish in the British Isles: the current status and biology of threatened species. Aquatic Conservation	Maitland, P…	1991
Physiological effects of long term exposure to low concentrations of SO2 and NH3 on poplar leaves.	Hove, L.W.A…	1991
Nitrate in soil water	Westling, O…	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
The mechanisms of arsenate tolerance in Deschampsia cespitosa (L.) Beauv. and Agrostis capillaris L. Adaptation of the arsenate uptake system	Meharg, A.…	1991