| Title | Authors | Year |
|---|---|---|
| Effect of vanadium on the growth of soybean seedlings |
Wang, J ;… |
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 |
| 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 |
| Undergrowth as a biomonitor for deposition of N and acidity in pine forest. |
Van Dobben… |
1999 |
| Distribution in Portugal of some pollutants in the lichen Parmelia sulcata |
Freitas, M… |
1999 |
| Changes in distribution and abundance of submerged macrophytes in the Inner Bay at Long Point, Lake Erie: Implications for foraging waterfowl |
Knapton, R.… |
1999 |
| Closing the global N2O budget: a retrospective analysis 1500 - 1994 |
Kroeze, C… |
1999 |
| The effect of increased deposition of atmospheric N on Cv in upland Britain. |
Carroll, J.… |
1999 |