Title Authors Year
Empirical nitrogen critical loads for natural and semi-natural ecosystems

Bobbink, R…

1996
Critical levels of air pollutants for the United Kingdom

UKCLAG,

 		1996
The effects of different ozone exposures on three contrasting populations of Plantago major L.

Pearson, S…

1996
Air pollution and biodiversity: a review

Dudley, N…

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

Masters, G.…

1996
Ecophysiology of a snow-bed bryophyte Kiaeria starkei during snowmelt and uptake of nitrate from meltwater

Woolgrove,…

1996
Epiphytic bryophytes in Naha city (subtropical urban area in Okinawa Island, southern Japan), with special references to air pollution

Inui, T.;…

1996
Effect of ozone and sulphur on mycorrhizae of Pinus halepensis Mille

Dmaz, G.;…

1996
Manual on methodologies and criteria for mapping critical levels/loads and geographical areas where they are exceeded

UNECE,

 		1996
Different responses to ozone of tobacco, poplar, birch and alder.

Gunthardt-…

1996