APIS Bibliography

Title	Authors	Year
Air pollution an introduction	Colls, J.…	1997
Human impacts on the nitrogen cycle: A global problem judged from a local perspective	Hessen, D.O…	1997
Short communication: Ozone levels in Paris one century ago	Anfossi, D…	1997
Early development of freshwater sponges under the influence of nitrite and pH.	Kahlert, M…	1997
Responses on ground vegetation to prolonged simulated acid rain in sub-artic pine-birch forest	Shertsova,…	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
Soil acidification: a provisional model for New Zealand pastoral systems.	de Klein, C…	1997
Evidence that ozone exposure increases the susceptibility of plants to natural frosting episodes.	Foot, J.P…	1997