Title Authors Year
Zeigerwerte von Pflanzen in Mitteleuropa

Ellenberg,…

1991
Proceedings of the 2nd workshop on sources of variation in ecotoxicological tests with Daphnia magna

Van der…

1991
Air pollution and agriculture

Ashmore, M.…

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

Dueck, T.A…

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

Maitland, P…

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
Decline of ectomycorrhizal fungi in Europe.

Arnolds, E…

1991
Acid rain since 1985 - times are changing

Brydges, T.…

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

Adaros, G…

1991
Atmospheric Transport of Iron and Its Deposition in the Ocean

Duce, R. A…

1991