| Title | Authors | Year |
|---|---|---|
| Physiological-effects of long-term exposure to low concentrations of SO2 and NH3 on poplar leaves |
Hove, L.W.A… |
1991 |
| Air pollution and agriculture |
Ashmore, M.… |
1991 |
| Forestry and soil protection in the UK |
Moffatt, A.… |
1991 |
| Conservation of freshwater fish in the British Isles: the current status and biology of threatened species. Aquatic Conservation |
Maitland, P… |
1991 |
| Mechansims of adaptions of plants to acid soils |
Marschner,… |
1991 |
| Increases in soil acidity in north west Wales between 1957 and 1990 |
… |
1991 |
| Acid rain since 1985 - times are changing |
Brydges, T.… |
1991 |
| A Field-Study of Fertilization and Embryonic Development in the Common Frog (Rana-Temporaria) with Particular Reference to Acidity and Temperature |
Beattie, R.… |
1991 |
| Atmospheric Transport of Iron and Its Deposition in the Ocean |
Duce, R. A… |
1991 |
| Proceedings of the 2nd workshop on sources of variation in ecotoxicological tests with Daphnia magna |
Van der… |
1991 |