APIS Bibliography

Title	Authors	Year
An experimental investigation into the effects of atmospheric nitrogen deposition on two semi-natural grasslands	Morecroft,…	1994
Critical levels of air pollutants for Europe	Ashmore, M.…	1994
Shoot nitrate reductase activities of field-layer species in different forest types.	Hogborn, L…	1994
A survey of the threat of surface water acidification to the nature conservation interest of fresh-waters on Sites of Special Scientific Interest in Britain	Rimes, C.A…	1994
Group report: are chemical and biological changes reversible?	Dise, N.B…	1994
Acid Rain and its Impact: The Critical Loads Debate	Hornung, M…	1994
Effects of zinc and copper on growth and metal accumulation in duckweed, Lemna minor	Dirilgen, N…	1994
Long-term changes in watershed retention of nitrogen - its causes and aquatic consequences	Stoddard, J…	1994
Effects of atmospheric ammonia and ammonium sulphate on vesicular-arbuscular mycorrhizal colonisation in three heathland species	Heijine, B…	1994
Pool-and-Hummock Patterning in a Southern Pennine Blanket Mire .2. The Formation and Erosion of the Pool System.	Tallis, J.H…	1994