| Title | Authors | Year |
|---|---|---|
| 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 |
| Impact of heavy metals on denitrification in surface wetland sediments receiving wastewater |
Sakadevan,… |
1999 |
| Ecotoxicological effects and uptake of metals (Cu+, Cu2+, Mn2+, Mo6+, Ni2+, V5+) in freshwater alga Scenedesmus quadricauda |
Fargašová,… |
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 |
| Action for Scotland's Biodiversity |
Usher, (Eds… |
1999 |
| Mapping of ammonia pollution with epiphytic lichens in the Netherlands |
Van Herk, C… |
1999 |
| Indicators of climate change in the UK |
Cannell, M.… |
1999 |
| The Kyoto Protocol: A guide and assessment |
Grubb, M.;… |
1999 |