APIS Bibliography

Title	Authors	Year
Nitrogen Uptake and Allocation by Calluna-Vulgaris (L) Hull and Deschampsia-Flexuosa (L) Trin Exposed to 15NH3	Dueck, T.A…	1991
Effects of ionising radiation on aquatic organisms	National…	1991
Influence of HN3 and (HN4)2 SO4 on heathland vegetation	Van der…	1991
The yield of winter cereals exposed to sulphur dioxide under field conditions.	McLeod, A.R…	1991
Forestry and soil protection in the UK	Moffatt, A.…	1991
Physiological effects of long term exposure to low concentrations of SO2 and NH3 on poplar leaves.	Hove, L.W.A…	1991
Increases in soil acidity in north west Wales between 1957 and 1990	…	1991
Comparisons of 3 Woodland Sites in NW Britain Differing in Richness of the Epiphytic Lobarion-Pulmonariae Community and Levels of Wet Acidic Deposition	Farmer, A.M…	1991
Critical Load Maps for the United Kingdom I: Soil	UKCLAG,	1991
Effects of nitrogen loading on wetland ecosystems, with particular reference to atmospheric deposition	Morris, J.T…	1991