APIS Bibliography

Title	Authors	Year
Stem growth reductions in mature Sitka spruce trees exposed to acid mist	Crossley, A…	1997
Human impacts on the nitrogen cycle: A global problem judged from a local perspective	Hessen, D.O…	1997
Impact of grazing and atmospheric nitrogen deposition on the vegetation of dry coastal dune grasslands	Harkle, M.J…	1996
Responses of plants to atmospheric sulphur.	Rennenberg…	1996
Quantitative relationships of invertebrates to pH in Norwegian river systems.	Larsen, J…	1996
Growth variation of Scots Pine across a pollution gradient on the Kola peninsula, Russia	Nojd, P.;…	1996
Freshwater sponges (Porifera: Spongillidae) of Norway: Distribution and ecology.	Økland, K.A…	1996
The effect of long-term elevated ozone concentrations on the growth and photosynthesis of Sphagnum recurvum and Polytrichum commune	Potter, L…	1996
Re-mapping epiphytic lichen biodiversity in The Netherlands: Effects of decreasing SO2 and increasing NH3	Dobben, Van…	1996
Critical levels of air pollutants for the United Kingdom	UKCLAG,	1996