| Title | Authors | Year | 
|---|---|---|
| The relationship between nitrogen deposition, species composition and foliar nitrogen concentrations in woodland flora in the vicinity of livestock farms. | Pitcairn, C… | 1998 | 
| National Recommended Water Quality Criteria | EPA, US | 1998 | 
| Early effects of acid mist on Sitka spruce planted on acid peat. | Sheppard, L… | 1998 | 
| Some effects of acid rain on the mobilisation of elements from bird eggs. | Pyatt, F.B… | 1998 | 
| Pollution - Recovery of breeding success in wild birds. | Eeva, T.; E… | 1998 | 
| Nutrient limitations and their implications on the effects of atmospheric deposition in coastal dunes; lime-poor and lime- rich sites in the Netherlands. | Kooijman, A… | 1998 | 
| UNECE Critical Levels Workshop Proceedings | Guderian, R… | 1998 | 
| The nitrogen content of upland rivers in Britain: the significance of organic N | Chapman, P.… | 1998 | 
| Modelling the spatial distribution of ammonia emissions in the UK | Dragosits,… | 1998 | 
| Effects of ozone on wild plants | Davison, A.… | 1998 |