| Title | Authors | Year |
|---|---|---|
| Nitrogen and phosphorus concentrations and N:P ratios in Norwegian lakes. Perspective on nutrient limitation |
Faafeng, B… |
1993 |
| Spatial variation in ozone resistance of British populations of Plantago major L. |
Reiling, K… |
1992 |
| Effects of fertiliser on bryophytes in Swedish experiments on forest fertilisation. |
Dirske, G.M… |
1992 |
| Summary of phytotoxic levels of soil arsenic |
Sheppard, S… |
1992 |
| Influence of Ozone Air-Pollution on Plant-Herbivore Interactions .2. Effects of Ozone on Feeding Preference, Growth and Consumption Rates of Monarch Butterflies (Danaus-Plexippus) |
Bolsinger,… |
1992 |
| The Effects of Low Ph and Aluminum on Breeding Success in the Frog Rana-Temporaria |
Beattie, R.… |
1992 |
| Changes in the Duch bryophyte flora and air pollution |
Greven, H.C… |
1992 |
| Lichen Flora of Great Britain and Ireland |
Purvis, O.W… |
1992 |
| Acid Soil and Acid Rain |
Kennedy, I.… |
1992 |
| Conservation of freshwater fish in the British Isles: the status of fish in National Nature Reserves |
Lyle, A.A… |
1992 |