APIS Bibliography

Title	Authors	Year
Atmospheric deposition of sulphur and nitrogen in heathland ecosystems.	Bobbink, R…	1993
Critical Loads - Concepts and Applications	Cresser, M.…	1993
Observations on the changes in nitrate concentrations in seven upland moorland catchments in north eastern Scotland	Black, K.E…	1993
Critical loads for peat soils	Cresser, M.…	1993
The influence of nitrogen fertilization on ectomycorrhizas and their fungal corpophores in young stands of Pinus sylvestris	…	1993
Distribution and decline of endangered herbaceous heathland species in relation to the chemical composition of the soil	Houdijk, A.…	1993
A new potential air-quality criterion derived from vertical flux densitites of ozone and from plant response	Grunhage, L…	1993
Effect of acid rain on pine needles as food for capercaillie in winter	Spidsx, T.K…	1993
The Environmental Implications of UK Sulphur Emission Policy Options for England and Wales	Farmer, A.M…	1993
A survey of the health of Fagus sylvatica in southern Britain.	Ling, K.A…	1993