APIS Bibliography

Title	Authors	Year
Fine Root Studies in situ and in the Laboratory.	Wollmer, H…	1990
Forest soil chemical changes between 1949-50 and 1987	Billett, M.…	1990
Phosphorus and nitrogen limitation of phytoplankton growth in the freshwaters of North America: a review and critique of experimental enrichments	Elser, J.J…	1990
Calculated rates of soil acidification of intensively used grassland in the Netherlands.	Oenema, O…	1990
On the use of mosses (Hylocomium splendens and Pleurozium schreberi) for estimating atmospheric trace metal deposition	Ross, H.B…	1990
Effects of ammonia, ammonium sulphate and sulphur dioxide on the frost sensitivity of Scots pine (Pinus sylvestris L.)	Dueck, T.A…	1990
Bryophytes and Nutrient Cycling	Brown, D.H…	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
Air pollution and agricultural aphid pests. I: Fumigation experiments with SO2 and NO2.	Houlden, G…	1990