Title Authors Year
Effects of simulated nitrogen rich and acid rain on the nitrogen-fixing lichen Peltigera aphthosa (L.) Willd.

Hallbdcken…

1992
nitrogen cycle in Lough Neagh, N. Ireland, 1975 to 1987

Gibson, C.E…

1992
Influence of Ozone Air-Pollution on Plant-Herbivore Interactions .2. Effects of Ozone on Feeding Preference, Growth and Consumption Rates of Monarch Butterflies (Danaus-Plexippus)

Bolsinger,…

1992
The Effects of pH, Aluminum Concentration and Temperature on the Embryonic-Development of the European Common Frog, Rana- Temporaria

Beattie, R.…

1992
Decline of Charophytes During Eutrophication - Comparison with Angiosperms

Blindow, I…

1992
Effect of an experimentally applied increase in ammonium on growth and amino-acid metabolism of Sphagnum cuspidatum Ehrh. Ex. Hoffm. From differently polluted areas.

Baxter, R…

1992
Changes in the Duch bryophyte flora and air pollution

Greven, H.C…

1992
Effects of Nitrogen-Oxides on Nitrate Assimilation in Bryophytes

Morgan, S.M…

1992
Nitrate in soil water

Westling, O…

1991
Decline of ectomycorrhizal fungi in Europe.

Arnolds, E…

1991