APIS Bibliography

Title	Authors	Year
Natural vegetation responses to atmospheric nitrogen deposition - critical levels and loads of nitrogen for vegetation growing on contrasting native soils	Carroll, J.…	1997
Human impacts on the nitrogen cycle: A global problem judged from a local perspective	Hessen, D.O…	1997
Air pollution an introduction	Colls, J.…	1997
Early development of freshwater sponges under the influence of nitrite and pH.	Kahlert, M…	1997
Ultrastructural changes and electrolyte leakage from ozone fumigated epiphytic lichens.	Tarhanen, S…	1997
The embarrassment of riches: Atmospheric deposition of nitrogen and community and ecosystem processes.	Jefferies,…	1997
Reduced soil P availability in a Sitka spruce (Picea sitchensis (Bong) Carr) plantation induced by applied acid-mist: Significance in forest decline	Carreira, J…	1997
The impact of a road upon adjacent heathland vegetation: Effects on plant species composition	Angold, P.G…	1997
Emission, concentration and deposition of acidifying substances.	Erisman, J.…	1997
Responses of Norwegian alpine Betula nana community to nitrogen fertilization	Paal, J.;…	1997