Title Authors Year
Mechansims of adaptions of plants to acid soils

Marschner,…

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

Pitcairn, C…

1991
Decline of ectomycorrhizal fungi in Europe.

Arnolds, E…

1991
Acid rain since 1985 - times are changing

Brydges, T.…

1991
Zeigerwerte von Pflanzen in Mitteleuropa

Ellenberg,…

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

Maitland, P…

1991
Single and Interactive Effects of Low Levels of O3, SO2 and NO2 on the Growth and Yield of Spring Rape.

Adaros, G…

1991
Nitrate in soil water

Westling, O…

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

Mansfield,…

1991