Title Authors Year
Forest soil chemical changes between 1949-50 and 1987

Billett, M.…

1990
Air pollution and tree-dwelling aphids. Population Dynamics of Forest Insects

McNeill, S…

1990
Exchange of greenhouse gases between terrestrial ecosystems and the atmosphere

Bouwman, A.…

1990
Calculated rates of soil acidification of intensively used grassland in the Netherlands.

Oenema, O…

1990
Surface Waters (Dangerous Substances) (Classification) Regulations No 2286

HMSO,

 		1989
Effects of SO2, NO2, and O3 on Population Development and Morphological and Physiological Parameters of Native Herb Layer Species in a Beech Forest.

Steubing, L…

1989
The comparative chemistries of platinum group metals and their periodic neighbors in marine macrophytes

Yang, J. S…

1989
Long-term change in the suitability of welsh streams for dippers Cinclus cinclus as a result of acidification and recovery: A modelling study.

Ormerod, S.…

1989
Effects of ammonia emission on epiphytic lichen vegetation

DeBakker, A…

1989
Statutory Instrument (1989): The Sludge (Use in Agriculture) Regulations

HMSO,

 		1989