APIS Bibliography

Title	Authors	Year
Nitrogen and phosphorus concentrations and N:P ratios in Norwegian lakes. Perspective on nutrient limitation	Faafeng, B…	1993
Distribution and decline of endangered herbaceous heathland species in relation to the chemical composition of the soil	Houdijk, A.…	1993
Chromium toxicity in Salvia scarea I Effects of hexavalent chromium on seed germination and seedline development	Corraddi, M…	1993
How Britain hides its acid soil	Pearce, F…	1993
Effect of acid rain on pine needles as food for capercaillie in winter	Spidsx, T.K…	1993
Examining the Cr uptake of ryegrass from inorganic compounds and sewage sludge in pot experiements	Loch, J ;…	1993
Stratospheric Aerosol Optical Depths, 1850-1990.	Sato, M. ;…	1993
Terrestrial SSSIs at risk from acidification in Scotland	Ross, A.…	1993
The influence of nitrogen fertilization on ectomycorrhizas and their fungal corpophores in young stands of Pinus sylvestris	…	1993
Terrestrial SSSIs at risk from soil acidification in Wales	Sketch, C.A…	1993