| Title | Authors | Year | 
|---|---|---|
| Chromium toxicity in Salvia scarea I Effects of hexavalent chromium on seed germination and seedline development | Corraddi, M… | 1993 | 
| Dissolved inorganic nitrogen budget for a forested catchment at Beddgelert, North Wales | Stevens, P.… | 1993 | 
| Air Pollution and Tree Health in the United Kingdom | DOE, . | 1993 | 
| Critical Loads - Concepts and Applications | Cresser, M.… | 1993 | 
| Stratospheric Aerosol Optical Depths, 1850-1990. | Sato, M. ;… | 1993 | 
| The effect of external stress and disturbance factors on Calluna dominated heathland vegetation. | Berdowski,… | 1993 | 
| Terrestrial SSSIs at risk from acidification in Scotland | Ross, A.… | 1993 | 
| Critical loads for peat soils | Cresser, M.… | 1993 | 
| Impacts of sulphur and nitrogen deposition on sites and species of nature conservation importance in Great Britain | Woodin, S.J… | 1993 | 
| Terrestrial SSSIs at risk from soil acidification in Wales | Sketch, C.A… | 1993 |