| Title | Authors | Year |
|---|---|---|
| Impact of heavy metals on denitrification in surface wetland sediments receiving wastewater |
Sakadevan,… |
1999 |
| Ellenberg's indicator values for British plants: ECOFACT volume 2 technical annex. |
Hill, M.O… |
1999 |
| Chemistry of Atmospheres |
Wayne, R.P… |
1999 |
| Nitrogen and its effects on growth, nutrient status and parasite attacks in beech and Norway Spruce |
Flückiger,… |
1999 |
| The fate of mineral nitrogen in a fen with Sphagnum fallax Klinggr. and Carex rostrata Stokes (Massif-central, France) |
Francez, A.… |
1999 |
| Environmental effects of manganese and proposed freshwater guidelines to protect aquatic life in British Columbia |
Reimer, P.… |
1999 |
| Ranking of epiphytic lichen sensitivity to air pollution using survey data: A comparison of indicator scales |
Van Dobben… |
1999 |
| Indicators of climate change in the UK |
Cannell, M.… |
1999 |
| The Kyoto Protocol: A guide and assessment |
Grubb, M.;… |
1999 |
| Distribution in Portugal of some pollutants in the lichen Parmelia sulcata |
Freitas, M… |
1999 |