| Title | Authors | Year |
|---|---|---|
| River Habitat Quality |
Service,… |
1998 |
| Nitrogen and drought effects on ectomycorrhizae of Norway spruce [Picea abries L. (Karst.)]. |
Nilsen, P… |
1998 |
| Effects of atmospheric NH3 on epiphytic lichens in the Netherlands: the pitfalls of biological monitoring. |
Van Dobben… |
1998 |
| Peroxyacetyl nitrates (PAN) and other minor pollutants |
Temple, P.J… |
1998 |
| Early effects of acid mist on Sitka spruce planted on acid peat. |
Sheppard, L… |
1998 |
| The role of different arbuscular mycorrhizal fungi in the growth of Calamagrostis villosa and Deschampsia flexuosa, in experiments with simulated acid rain |
Vosatka, M… |
1998 |
| National Recommended Water Quality Criteria |
EPA, US |
1998 |
| Effects of N additions on the stress sensitivity of Calluna vulgaris. |
Poser, S.A… |
1998 |
| UNECE Critical Levels Workshop Proceedings |
Guderian, R… |
1998 |
| The quality of shallow groundwaters in Northern Ireland |
Robins, N.S… |
1998 |