APIS Bibliography

Title	Authors	Year
Terrestrial SSSIs at risk from soil acidification in Wales	Sketch, C.A…	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
North Sea quality status report 1993	OSPARCOM,…	1993
Atmospheric deposition of sulphur and nitrogen in heathland ecosystems.	Bobbink, R…	1993
Observations on the changes in nitrate concentrations in seven upland moorland catchments in north eastern Scotland	Black, K.E…	1993
Salt-Marsh Processes - a Review	Vernberg, F…	1993
Sphagnum species and polluted environments, past and future	Lee, J.A.;…	1993
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