APIS Bibliography

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
Effects of atmospheric nitrogen deposition on ericoid mycorrhizal infection of Calluna vulgaris growing in peat soils	Yesmin, L…	1996
The effect of long-term elevated ozone concentrations on the growth and photosynthesis of Sphagnum recurvum and Polytrichum commune	Potter, L…	1996
Empirical nitrogen critical loads for natural and semi-natural ecosystems	Bobbink, R…	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
Acid deposition and soils: a perspective for nature conservation	Bareham, S.…	1996
Impact of grazing and atmospheric nitrogen deposition on the vegetation of dry coastal dune grasslands	Harkle, M.J…	1996