APIS Bibliography

Title	Authors	Year
Forest soil chemical changes between 1949-50 and 1987	Billett, M.…	1990
Seasonal changes in amino acids, protein and total nitrogen in needles of fertilised Scots pine trees	Näsholm, T…	1990
Exchange of greenhouse gases between terrestrial ecosystems and the atmosphere	Bouwman, A.…	1990
Effects of ammonia, ammonium sulphate and sulphur dioxide on the frost sensitivity of Scots pine (Pinus sylvestris L.)	Dueck, T.A…	1990
Effects of SO2, NO2, and O3 on Population Development and Morphological and Physiological Parameters of Native Herb Layer Species in a Beech Forest.	Steubing, L…	1989
Long-term change in the suitability of welsh streams for dippers Cinclus cinclus as a result of acidification and recovery: A modelling study.	Ormerod, S.…	1989
Lichen Recolonization in London under Conditions of Rapidly Falling Sulfur-Dioxide Levels, and the Concept of Zone Skipping.	Hawksworth…	1989
Indigenous and cultivated plants as bioindicators	Weinstein,…	1989
Water and the Environment. Circular 7/89	Department…	1989
A regression model for nitrate leaching in Northern Ireland.	Smith, R.V…	1989