| Title | Authors | Year |
|---|---|---|
| Direct damage to vegetation caused by acid rain and polluted cloud: definition of critical levels for forest trees. |
Cape, J.N… |
1993 |
| A new potential air-quality criterion derived from vertical flux densitites of ozone and from plant response |
Grunhage, L… |
1993 |
| Insects and Pollution |
Helivvaara… |
1993 |
| A survey of the health of Fagus sylvatica in southern Britain. |
Ling, K.A… |
1993 |
| North Sea quality status report 1993 |
OSPARCOM,… |
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 |
| Observations on the changes in nitrate concentrations in seven upland moorland catchments in north eastern Scotland |
Black, K.E… |
1993 |
| Nitrogen and phosphorus concentrations and N:P ratios in Norwegian lakes. Perspective on nutrient limitation |
Faafeng, B… |
1993 |