Title Authors Year
Interacting effects of soil acidity and canopy cover on the species composition of field layer vegetation in oak/hornbeam forests

Tyler, G.…

1989
Forest decline and Air Pollution

Schulze, E.…

1989
Acidification and Otter (Lutra lutra) Distribution in Scotland

Mason, C.F…

1989
A comparison of plant toxicities of some industrial chemicals in soil culture and soilless culture

Adema, D ;…

1989
Peat acidification in Scotland

Skiba, U.;…

1989
Surface Waters (Dangerous Substances) (Classification) Regulations No 2286

HMSO,

 		1989
Water and the Environment. Circular 7/89

Department…

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

HMSO,

 		1989