APIS Bibliography

Title	Authors	Year
Manual on methodologies and criteria for mapping critical levels/loads and geographical areas where they are exceeded	UNECE,	1996
Effects of atmospheric nitrogen deposition on ericoid mycorrhizal infection of Calluna vulgaris growing in peat soils	Yesmin, L…	1996
Optimal quantum yield of photosystem II and chlorophyll degradation of Lobaria pulmonaria in relation to pH Lichenologist	Gauslaa, Y…	1996
Critical levels for ozone in Europe: Testing and finalising the concepts	Karenlampi…	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
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
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
A preliminary evaluation of sediment quality assessment values for freshwater ecosystems	Smith, S.L…	1996