Title Authors Year
Manual on methodologies and criteria for mapping critical levels/loads and geographical areas where they are exceeded

UNECE,

 		1996
Optimal quantum yield of photosystem II and chlorophyll degradation of Lobaria pulmonaria in relation to pH Lichenologist

Gauslaa, Y…

1996
Natural and anthropogenic enrichments of As, Cu, Pb and Zn in ombrotrophic versus minerotrophic peat bog profiles

Shotyk, W…

1996
Critical levels for ozone in Europe: Testing and finalising the concepts

Karenlampi…

1996
Effects of atmospheric nitrogen deposition on ericoid mycorrhizal infection of Calluna vulgaris growing in peat soils

Yesmin, L…

1996
Climate Change 1995. The Science of Climate Change. Contribution of Working Group I to the Second Assessment Report of the Intergovernmental Panel on Climate Change

IPCC,

 		1996
Empirical nitrogen critical loads for natural and semi-natural ecosystems

Bobbink, R…

1996
The use of lichens for estimating ammonia air pollution in Western France.

Lallemant,…

1996
Stoneworts - connoisseurs of clean water

Stewart, N.…

1996
Evidence that plant varieties respond differently to NO2 pollution as indicated by resistance to insect herbivores

Masters, G.…

1996