APIS Bibliography

Title	Authors	Year
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
Direct damage to vegetation caused by acid rain and polluted cloud: definition of critical levels for forest trees.	Cape, J.N…	1993
SSSIs in England at risk from acid rain	Bissett, K…	1993
Urban Air Quality in the United Kingdom. First Report of the Quality of Urban Air Review Group	Group,…	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
Atmospheric deposition of sulphur and nitrogen in heathland ecosystems.	Bobbink, R…	1993
Air Pollution and Tree Health in the United Kingdom	DOE, .	1993
The effect of external stress and disturbance factors on Calluna dominated heathland vegetation.	Berdowski,…	1993