Title Authors Year
Physiological effects of long term exposure to low concentrations of SO2 and NH3 on poplar leaves.

Hove, L.W.A…

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

Maitland, P…

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

…

1991
Effects of sulphur dioxide on the development of fungal diseases of winter barley in an open-air fumigation system.

Mansfield,…

1991
Decline of ectomycorrhizal fungi in Europe.

Arnolds, E…

1991
Nitrate in soil water

Westling, O…

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

Meharg, A.…

1991
Environmental Health Criteria 125 Platinum

WHO,

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

Ormerod, S.…

1991
Atmospheric Transport of Iron and Its Deposition in the Ocean

Duce, R. A…

1991