APIS Bibliography

Title	Authors	Year
Nitrate in soil water	Westling, O…	1991
Acid Rain - Critical and Target Load Maps for the United Kingdom	Environment…	1991
Effects of nitrogen loading on wetland ecosystems, with particular reference to atmospheric deposition	Morris, J.T…	1991
Nitrogen Uptake and Allocation by Calluna-Vulgaris (L) Hull and Deschampsia-Flexuosa (L) Trin Exposed to 15NH3	Dueck, T.A…	1991
Influence of HN3 and (HN4)2 SO4 on heathland vegetation	Van der…	1991
Forestry and soil protection in the UK	Moffatt, A.…	1991
Increases in soil acidity in north west Wales between 1957 and 1990	…	1991
Conservation of freshwater fish in the British Isles: the current status and biology of threatened species. Aquatic Conservation	Maitland, P…	1991
Single and Interactive Effects of Low Levels of O3, SO2 and NO2 on the Growth and Yield of Spring Rape.	Adaros, G…	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