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
Yield Responses of Different Crop Species to Long-Term Fumigation with Sulphur Dioxide in Open-Top Chambers	Weigel, H.J…	1990
Fresh-water acidification - its effects on species and communities of fresh-water microbes, plants and animals	Muniz, I.P…	1990
The effect of air quality on tree growth.	Lee, H.S.J…	1990
Fine Root Studies in situ and in the Laboratory.	Wollmer, H…	1990
Air pollution and agricultural aphid pests. I: Fumigation experiments with SO2 and NO2.	Houlden, G…	1990
Lichen Physiology and Air-Pollution .2. Statistical-Analysis of the Correlation between SO2, NO2, NO and O3, and Chlorophyll Content, Net Photosynthesis, Sulfate Uptake and Protein- Synthesis of Parmelia-Sulcata Taylor	Von Arb, C…	1990
The variation in the acidity of ground and surface waters in Northern Ireland	Jordan, C…	1990