APIS Bibliography

Title	Authors	Year
Phosphorus and nitrogen limitation of phytoplankton growth in the freshwaters of North America: a review and critique of experimental enrichments	Elser, J.J…	1990
Forest soil chemical changes between 1949-50 and 1987	Billett, M.…	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
Alger, lavar och Garrupprattning hos unggranar langs en kvavegradient Sverige-Holland	Garansson,…	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
Cadmium uptake and toxicity to water hyacinth: effect of repeated exposures under controlled conditions	Nir, R ;…	1990
Toxicity of heavy metals to brine shrimp Artemia.	Gajbhiye, S…	1990