| Title | Authors | Year |
|---|---|---|
| Nitrogen and phosphorus concentrations and N:P ratios in Norwegian lakes. Perspective on nutrient limitation |
Faafeng, B… |
1993 |
| The decrease of rich fen Bryophytes in the Netherlands. |
Kooijman, A… |
1992 |
| Halogen emissions from coal combustion |
Sloss, L.L… |
1992 |
| Conservation of freshwater fish in the British Isles: the status of fish in National Nature Reserves |
Lyle, A.A… |
1992 |
| The Effects of Low Ph and Aluminum on Breeding Success in the Frog Rana-Temporaria |
Beattie, R.… |
1992 |
| Decline of Charophytes During Eutrophication - Comparison with Angiosperms |
Blindow, I… |
1992 |
| Effect of an experimentally applied increase in ammonium on growth and amino-acid metabolism of Sphagnum cuspidatum Ehrh. Ex. Hoffm. From differently polluted areas. |
Baxter, R… |
1992 |
| Lichen Flora of Great Britain and Ireland |
Purvis, O.W… |
1992 |
| Soil acidification as caused by the nitrogen uptake pattern of Scots pine |
Arnold, G… |
1992 |
| Acid Soil and Acid Rain |
Kennedy, I.… |
1992 |