Title Authors Year
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
Comparisons of 3 Woodland Sites in NW Britain Differing in Richness of the Epiphytic Lobarion-Pulmonariae Community and Levels of Wet Acidic Deposition

Farmer, A.M…

1991
Acid Rain - Critical and Target Load Maps for the United Kingdom

Environment…

1991
The yield of winter cereals exposed to sulphur dioxide under field conditions.

McLeod, A.R…

1991
Critical Load Maps for the United Kingdom I: Soil

UKCLAG,

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

Mansfield,…

1991
Environmental Health Criteria 125 Platinum

WHO,

 		1991
Effects of ionising radiation on aquatic organisms

National…

1991
Air pollution and agriculture

Ashmore, M.…

1991