APIS Bibliography

Title	Authors	Year
The influence of nitrogen fertilization on ectomycorrhizas and their fungal corpophores in young stands of Pinus sylvestris	…	1993
Nitrogen and phosphorus concentrations and N:P ratios in Norwegian lakes. Perspective on nutrient limitation	Faafeng, B…	1993
Chromium toxicity in Salvia scarea I Effects of hexavalent chromium on seed germination and seedline development	Corraddi, M…	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
Effect of acid rain on pine needles as food for capercaillie in winter	Spidsx, T.K…	1993
Insects and Pollution	Helivvaara…	1993
A new potential air-quality criterion derived from vertical flux densitites of ozone and from plant response	Grunhage, L…	1993
A survey of the health of Fagus sylvatica in southern Britain.	Ling, K.A…	1993
The Environmental Implications of UK Sulphur Emission Policy Options for England and Wales	Farmer, A.M…	1993