APIS Bibliography

Title	Authors	Year
Acid rain since 1985 - times are changing	Brydges, T.…	1991
Nitrate in soil water	Westling, O…	1991
Effects of nitrogen loading on wetland ecosystems, with particular reference to atmospheric deposition	Morris, J.T…	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
Proceedings of the 2nd workshop on sources of variation in ecotoxicological tests with Daphnia magna	Van der…	1991
The yield of winter cereals exposed to sulphur dioxide under field conditions.	McLeod, A.R…	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
Changes in species composition of semi-natural vegetation associated with the increase in atmospheric inputs of nitrogen	Pitcairn, C…	1991