APIS Bibliography

Title	Authors	Year
Zeigerwerte von Pflanzen in Mitteleuropa	Ellenberg,…	1991
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
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
Critical Load Maps for the United Kingdom I: Soil	UKCLAG,	1991
Physiological-effects of long-term exposure to low concentrations of SO2 and NH3 on poplar leaves	Hove, L.W.A…	1991
Air pollution and agriculture	Ashmore, M.…	1991
Nitrogen Uptake and Allocation by Calluna-Vulgaris (L) Hull and Deschampsia-Flexuosa (L) Trin Exposed to 15NH3	Dueck, T.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
The Distribution and Breeding Site Characteristics of Newts in Cumbria, England.	Denton, J.S…	1991