Title Authors Year
Nitrogen and drought effects on ectomycorrhizae of Norway spruce [Picea abries L. (Karst.)].

Nilsen, P…

1998
Unintentional experiments with terrestrial ecosystems: ecological effects of sulphur and nitrogen pollutants

Lee, J.A.…

1998
Early effects of acid mist on Sitka spruce planted on acid peat.

Sheppard, L…

1998
National Recommended Water Quality Criteria

EPA, US

 		1998
The relationship between nitrogen deposition, species composition and foliar nitrogen concentrations in woodland flora in the vicinity of livestock farms.

Pitcairn, C…

1998
Modelling the spatial distribution of ammonia emissions in the UK

Dragosits,…

1998
The nitrogen content of upland rivers in Britain: the significance of organic N

Chapman, P.…

1998
Sensitive bioassays for risk assessment of contaminated soils

Vaughan, G…

1998
Effects of grass-encroachment on vegetation and soil in Dutch dry dune grasslands

Veer, M.A.C…

1998
Environmental effects of ozone depletion: 1998 assessment

UNEP,

 		1998