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

Pitcairn, C…

1991
Air pollution and agriculture

Ashmore, M.…

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

McLeod, A.R…

1991
Mechansims of adaptions of plants to acid soils

Marschner,…

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

Maitland, P…

1991
Acid rain since 1985 - times are changing

Brydges, T.…

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
Uptake, accumulation and translocation of arsenate in arsenate-tolerant and non-tolerant Holcus lanatus L. Meharg, A. A… 1991
Atmospheric Transport of Iron and Its Deposition in the Ocean

Duce, R. A…

1991