APIS Bibliography

Title	Authors	Year
Air pollution and agriculture	Ashmore, M.…	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
Decline of ectomycorrhizal fungi in Europe.	Arnolds, E…	1991
Acid rain since 1985 - times are changing	Brydges, T.…	1991
Nitrate in soil water	Westling, O…	1991
Changes in species composition of semi-natural vegetation associated with the increase in atmospheric inputs of nitrogen	Pitcairn, C…	1991
A Field-Study of Fertilization and Embryonic Development in the Common Frog (Rana-Temporaria) with Particular Reference to Acidity and Temperature	Beattie, R.…	1991
Zeigerwerte von Pflanzen in Mitteleuropa	Ellenberg,…	1991
Nitrogen Uptake and Allocation by Calluna-Vulgaris (L) Hull and Deschampsia-Flexuosa (L) Trin Exposed to 15NH3	Dueck, T.A…	1991
Conservation of freshwater fish in the British Isles: the current status and biology of threatened species. Aquatic Conservation	Maitland, P…	1991