| Title | Authors | Year |
|---|---|---|
| Effects of atmospheric nitrogen compounds (particularly nitrogen oxides) on plants. |
WHO, |
1997 |
| Natural vegetation responses to atmospheric nitrogen deposition - critical levels and loads of nitrogen for vegetation growing on contrasting native soils |
Carroll, J.… |
1997 |
| Ecology of dunes, salt marsh and shingle |
Packham, J.… |
1997 |
| Aquatic Plants in Britain and Ireland |
Preston, C.… |
1997 |
| Accumulation of cadmium, chromium and zinc by the moss Sphagnum papillosum Lindle |
Gstoettner… |
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 |
| Canadian water quality guidelines for chromium |
Pawlisz, A… |
1997 |
| Emission, concentration and deposition of acidifying substances. |
Erisman, 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 |