| Title | Authors | Year |
|---|---|---|
| Mapping of ammonia pollution with epiphytic lichens in the Netherlands |
Van Herk, C… |
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 |
| Undergrowth as a biomonitor for deposition of N and acidity in pine forest. |
Van Dobben… |
1999 |
| Closing the global N2O budget: a retrospective analysis 1500 - 1994 |
Kroeze, C… |
1999 |
| The fate of NH4NO3 added to Sphagnum magellanicum carpets at five European mire sites |
Williams, B… |
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 |
| Concentration and distribution of extractable elements in a soil affected by tillage systems and fertilization |
Lavado, R.… |
1999 |
| Persistent organic pollutants (POPS); state of the science |
Jones, K.C… |
1999 |
| Methane release from peat soils: effects of Sphagnum and Juncus. |
Roura-Carol… |
1999 |