APIS Bibliography

Title	Authors	Year
The variation in the acidity of ground and surface waters in Northern Ireland	Jordan, C…	1990
Cation-exchange properties and adaptation to soil acidity in bryophytes	Buscher, P…	1990
Seasonal changes in amino acids, protein and total nitrogen in needles of fertilised Scots pine trees	Näsholm, T…	1990
Effects of ammonia, ammonium sulphate and sulphur dioxide on the frost sensitivity of Scots pine (Pinus sylvestris L.)	Dueck, T.A…	1990
Environmental Health Criteria 86 Mercury- Environmental Aspects	WHO,	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
Peat acidification in Scotland	Skiba, U.;…	1989
Water and the Environment. Circular 7/89	Department…	1989
A regression model for nitrate leaching in Northern Ireland.	Smith, R.V…	1989