APIS Bibliography

Title	Authors	Year
Decline of ectomycorrhizal fungi in Europe.	Arnolds, E…	1991
Changes in species composition of semi-natural vegetation associated with the increase in atmospheric inputs of nitrogen	Pitcairn, C…	1991
Effects of nitrogen loading on wetland ecosystems, with particular reference to atmospheric deposition	Morris, J.T…	1991
The yield of winter cereals exposed to sulphur dioxide under field conditions.	McLeod, A.R…	1991
Physiological effects of long term exposure to low concentrations of SO2 and NH3 on poplar leaves.	Hove, L.W.A…	1991
Conservation of freshwater fish in the British Isles: the current status and biology of threatened species. Aquatic Conservation	Maitland, P…	1991
Nitrate in soil water	Westling, O…	1991
Atmospheric Transport of Iron and Its Deposition in the Ocean	Duce, R. A…	1991
Influence of HN3 and (HN4)2 SO4 on heathland vegetation	Van der…	1991
Physiological-effects of long-term exposure to low concentrations of SO2 and NH3 on poplar leaves	Hove, L.W.A…	1991