APIS Bibliography

Title	Authors	Year
Nitrogen and phosphorus concentrations and N:P ratios in Norwegian lakes. Perspective on nutrient limitation	Faafeng, B…	1993
The influence of nitrogen fertilization on ectomycorrhizas and their fungal corpophores in young stands of Pinus sylvestris	…	1993
Impacts of sulphur and nitrogen deposition on sites and species of nature conservation importance in Great Britain	Woodin, S.J…	1993
Distribution and decline of endangered herbaceous heathland species in relation to the chemical composition of the soil	Houdijk, A.…	1993
SSSIs in England at risk from acid rain	Bissett, K…	1993
Effect of acid rain on pine needles as food for capercaillie in winter	Spidsx, T.K…	1993
Review of the impact of current and future acid deposition in Wales	Reynolds, B…	1993
Insects and Pollution	Helivvaara…	1993
Reproduction in two submersed macrophytes declines progressively at low pH.	Titus, J.E…	1993
Examining the Cr uptake of ryegrass from inorganic compounds and sewage sludge in pot experiements	Loch, J ;…	1993