APIS Bibliography

Title	Authors	Year
Human impacts on the nitrogen cycle: A global problem judged from a local perspective	Hessen, D.O…	1997
Natural vegetation responses to atmospheric nitrogen deposition - critical levels and loads of nitrogen for vegetation growing on contrasting native soils	Carroll, J.…	1997
Aquatic Plants in Britain and Ireland	Preston, C.…	1997
Accumulation of cadmium, chromium and zinc by the moss Sphagnum papillosum Lindle	Gstoettner…	1997
Depositional time trends and remobilization of PCBs in lake sediments	Gevao, B.;…	1997
Ultrastructural changes and electrolyte leakage from ozone fumigated epiphytic lichens.	Tarhanen, S…	1997
Canadian water quality guidelines for chromium	Pawlisz, A…	1997
The embarrassment of riches: Atmospheric deposition of nitrogen and community and ecosystem processes.	Jefferies,…	1997
Emission, concentration and deposition of acidifying substances.	Erisman, J.…	1997
The impact of a road upon adjacent heathland vegetation: Effects on plant species composition	Angold, P.G…	1997