Title Authors Year
Physiological-effects of long-term exposure to low concentrations of SO2 and NH3 on poplar leaves

Hove, L.W.A…

1991
Effects of ionising radiation on aquatic organisms

National…

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

Maitland, P…

1991
Critical Load Maps for the United Kingdom I: Soil

UKCLAG,

 		1991
Effects of nitrogen loading on wetland ecosystems, with particular reference to atmospheric deposition

Morris, J.T…

1991
Zeigerwerte von Pflanzen in Mitteleuropa

Ellenberg,…

1991
Atmospheric Transport of Iron and Its Deposition in the Ocean

Duce, R. A…

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
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