| Title | Authors | Year |
|---|---|---|
| Human impacts on the nitrogen cycle: A global problem judged from a local perspective |
Hessen, D.O… |
1997 |
| Early development of freshwater sponges under the influence of nitrite and pH. |
Kahlert, M… |
1997 |
| Aquatic Plants in Britain and Ireland |
Preston, C.… |
1997 |
| Accumulation of cadmium, chromium and zinc by the moss Sphagnum papillosum Lindle |
Gstoettner… |
1997 |
| The influence of nitrogen fertilization on the carbon economy of Paxillus involutus in ectomycorrhizal association with Betula pendula |
Ek, H. |
1997 |
| The significance of nitrogen runoff for eutrophication of freshwater and marine recipients |
Hessen, D.O… |
1997 |
| Canadian water quality guidelines for chromium |
Pawlisz, A… |
1997 |
| Emission, concentration and deposition of acidifying substances. |
Erisman, J.… |
1997 |
| Pollution-related variation in food supply and breeding success in two hole-nesting passerines. |
Eeva, T.; E… |
1997 |
| Responses of Norwegian alpine Betula nana community to nitrogen fertilization |
Paal, J.;… |
1997 |