APIS Bibliography

Title	Authors	Year
Air pollution and agricultural aphid pests. I: Fumigation experiments with SO2 and NO2.	Houlden, G…	1990
Decline of carpophores of mycorrhizal fungi instand, of Pinus sylvestris	…	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
On the use of mosses (Hylocomium splendens and Pleurozium schreberi) for estimating atmospheric trace metal deposition	Ross, H.B…	1990
Seasonal changes in amino acids, protein and total nitrogen in needles of fertilised Scots pine trees	Näsholm, T…	1990
Cation-exchange properties and adaptation to soil acidity in bryophytes	Buscher, P…	1990
Alger, lavar och Garrupprattning hos unggranar langs en kvavegradient Sverige-Holland	Garansson,…	1990
Effects of ammonia, ammonium sulphate and sulphur dioxide on the frost sensitivity of Scots pine (Pinus sylvestris L.)	Dueck, T.A…	1990
Cadmium uptake and toxicity to water hyacinth: effect of repeated exposures under controlled conditions	Nir, R ;…	1990