APIS Bibliography

Title	Authors	Year
Forest soil chemical changes between 1949-50 and 1987	Billett, M.…	1990
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
Environmental Health Criteria 86 Mercury- Environmental Aspects	WHO,	1989
Effects of ammonia emission on epiphytic lichen vegetation	DeBakker, A…	1989
Indigenous and cultivated plants as bioindicators	Weinstein,…	1989
A regression model for nitrate leaching in Northern Ireland.	Smith, R.V…	1989
Acute toxicity of six metals to the rotifer Brachionus calyciflorus, with comparisons to other freshwater organisms	Couillard,…	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