| Title | Authors | Year | 
|---|---|---|
| Ellenberg's indicator values for British plants: ECOFACT volume 2 technical annex. | Hill, M.O… | 1999 | 
| Nitrogen and its effects on growth, nutrient status and parasite attacks in beech and Norway Spruce | Flückiger,… | 1999 | 
| Do acid rain and calcium supply limit eggshell formation for blue tits (Parus caeruleus) in the UK? | Ramsay, S.L… | 1999 | 
| Environmental effects of manganese and proposed freshwater guidelines to protect aquatic life in British Columbia | Reimer, P.… | 1999 | 
| Atmospheric deposition of acidifying and eutrophicating substances in dune slacks. | Sival, F.P… | 1999 | 
| The effect of increased deposition of atmospheric N on Cv in upland Britain. | Carroll, J.… | 1999 | 
| Boron, zinc iron and managanese content in four grassland species | Adarve, M.… | 1998 | 
| Impacts of global change on UK species and communities | Hill, M.O… | 1998 | 
| River Habitat Quality | Service,… | 1998 | 
| Natural abundance of 15N in forests across a nitrogen deposition gradient | Emmett, B.A… | 1998 |