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

UNECE,

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

Shotyk, W…

1996
Freshwater sponges (Porifera: Spongillidae) of Norway: Distribution and ecology.

Økland, K.A…

1996
Re-mapping epiphytic lichen biodiversity in The Netherlands: Effects of decreasing SO2 and increasing NH3

Dobben, Van…

1996
Potential effects of rising tropospheric concentrations of CO2 and O-3 on green-algal lichens

Balaguer, M…

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

Bobbink, R…

1996
Red Data Books of Britain and Ireland: lichens

Church, J.M…

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

Lallemant,…

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

Masters, G.…

1996
Acid deposition and soils: a perspective for nature conservation

Bareham, S.…

1996