Title Authors Year
Influence of HN3 and (HN4)2 SO4 on heathland vegetation

Van der…

1991
Air pollution and agriculture

Ashmore, M.…

1991
Nitrogen Uptake and Allocation by Calluna-Vulgaris (L) Hull and Deschampsia-Flexuosa (L) Trin Exposed to 15NH3

Dueck, T.A…

1991
Forestry and soil protection in the UK

Moffatt, A.…

1991
Increases in soil acidity in north west Wales between 1957 and 1990

…

1991
The Distribution and Breeding Site Characteristics of Newts in Cumbria, England.

Denton, J.S…

1991
Critical Load Maps for the United Kingdom I: Soil

UKCLAG,

 		1991
A Field-Study of Fertilization and Embryonic Development in the Common Frog (Rana-Temporaria) with Particular Reference to Acidity and Temperature

Beattie, R.…

1991
Acid rain since 1985 - times are changing

Brydges, T.…

1991
The mechanisms of arsenate tolerance in Deschampsia cespitosa (L.) Beauv. and Agrostis capillaris L. Adaptation of the arsenate uptake system

Meharg, A.…

1991