APIS Bibliography

Title	Authors	Year
Early development of freshwater sponges under the influence of nitrite and pH.	Kahlert, M…	1997
The significance of nitrogen runoff for eutrophication of freshwater and marine recipients	Hessen, D.O…	1997
The influence of nitrogen fertilization on the carbon economy of Paxillus involutus in ectomycorrhizal association with Betula pendula	Ek, H.	1997
Ultrastructural changes and electrolyte leakage from ozone fumigated epiphytic lichens.	Tarhanen, S…	1997
Emission, concentration and deposition of acidifying substances.	Erisman, J.…	1997
Human impacts on the nitrogen cycle: A global problem judged from a local perspective	Hessen, D.O…	1997
Responses of Norwegian alpine Betula nana community to nitrogen fertilization	Paal, J.;…	1997
Stem growth reductions in mature Sitka spruce trees exposed to acid mist	Crossley, A…	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