| Title | Authors | Year |
|---|---|---|
| Human impacts on the nitrogen cycle: A global problem judged from a local perspective |
Hessen, D.O… |
1997 |
| Ecology of dunes, salt marsh and shingle |
Packham, J.… |
1997 |
| Air pollution an introduction |
Colls, J.… |
1997 |
| Ultrastructural changes and electrolyte leakage from ozone fumigated epiphytic lichens. |
Tarhanen, S… |
1997 |
| Reduced soil P availability in a Sitka spruce (Picea sitchensis (Bong) Carr) plantation induced by applied acid-mist: Significance in forest decline |
Carreira, J… |
1997 |
| Emission, concentration and deposition of acidifying substances. |
Erisman, J.… |
1997 |
| Natural vegetation responses to atmospheric nitrogen deposition - critical levels and loads of nitrogen for vegetation growing on contrasting native soils |
Carroll, J.… |
1997 |
| Responses of Norwegian alpine Betula nana community to nitrogen fertilization |
Paal, J.;… |
1997 |
| Stem growth reductions in mature Sitka spruce trees exposed to acid mist |
Crossley, A… |
1997 |
| Ozone in the United Kingdom 1997 |
PORG, |
1997 |