Title Authors Year
Increases in soil acidity in north west Wales between 1957 and 1990

…

1991
Nitrate in soil water

Westling, O…

1991
Changes in species composition of semi-natural vegetation associated with the increase in atmospheric inputs of nitrogen

Pitcairn, C…

1991
Critical Load Maps for the United Kingdom I: Soil

UKCLAG,

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

Meharg, A.…

1991
The effects of acid deposition on nature conservation in Great Britain

Ormerod, S.…

1991
Effects of nitrogen loading on wetland ecosystems, with particular reference to atmospheric deposition

Morris, J.T…

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

Dueck, T.A…

1991
Acid deposition: its nature and impacts

Last, F.T…

1991
Conservation of freshwater fish in the British Isles: the current status and biology of threatened species. Aquatic Conservation

Maitland, P…

1991