| Title | Authors | Year |
|---|---|---|
| Mapping of ammonia pollution with epiphytic lichens in the Netherlands |
Van Herk, C… |
1999 |
| Estimating the uptake of traffic-derived NO2 from N-15 abundance in Norway spruce needles |
Ammann, M… |
1999 |
| Environmental chemistry: End of acid reign? |
Jenkins, A… |
1999 |
| Some effects of N on ectomycorrhizal diversity of Scots pine (Pinus sylvestris L.) in northeastern Germany. |
Wöllecke, J… |
1999 |
| The effect of increased deposition of atmospheric N on Cv in upland Britain. |
Carroll, J.… |
1999 |
| Methane release from peat soils: effects of Sphagnum and Juncus. |
Roura-Carol… |
1999 |
| Protocol to abate acidification, eutrophication and ground-level ozone. |
UNECE, .… |
1999 |
| Ellenberg's indicator values for British plants: ECOFACT volume 2 technical annex. |
Hill, M.O… |
1999 |
| Nitrogen and its effects on growth, nutrient status and parasite attacks in beech and Norway Spruce |
Flückiger,… |
1999 |
| Action for Scotland's Biodiversity |
Usher, (Eds… |
1999 |