APIS Bibliography

Title	Authors	Year
Nitrogen and phosphorus concentrations and N:P ratios in Norwegian lakes. Perspective on nutrient limitation	Faafeng, B…	1993
Direct damage to vegetation caused by acid rain and polluted cloud: definition of critical levels for forest trees.	Cape, J.N…	1993
Impacts of sulphur and nitrogen deposition on sites and species of nature conservation importance in Great Britain	Woodin, S.J…	1993
SSSIs in England at risk from acid rain	Bissett, 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
Reproduction in two submersed macrophytes declines progressively at low pH.	Titus, J.E…	1993
Review of the impact of current and future acid deposition in Wales	Reynolds, B…	1993
Examining the Cr uptake of ryegrass from inorganic compounds and sewage sludge in pot experiements	Loch, J ;…	1993
A survey of the health of Fagus sylvatica in southern Britain.	Ling, K.A…	1993