APIS Bibliography

Title	Authors	Year
Changes in species composition of semi-natural vegetation associated with the increase in atmospheric inputs of nitrogen	Pitcairn, C…	1991
Critical Load Maps for the United Kingdom I: Soil	UKCLAG,	1991
Air pollution and agriculture	Ashmore, M.…	1991
Conservation of freshwater fish in the British Isles: the current status and biology of threatened species. Aquatic Conservation	Maitland, P…	1991
Physiological effects of long term exposure to low concentrations of SO2 and NH3 on poplar leaves.	Hove, L.W.A…	1991
The Distribution and Breeding Site Characteristics of Newts in Cumbria, England.	Denton, J.S…	1991
Acid rain since 1985 - times are changing	Brydges, T.…	1991
A Field-Study of Fertilization and Embryonic Development in the Common Frog (Rana-Temporaria) with Particular Reference to Acidity and Temperature	Beattie, R.…	1991
Atmospheric Transport of Iron and Its Deposition in the Ocean	Duce, R. A…	1991
Physiological-effects of long-term exposure to low concentrations of SO2 and NH3 on poplar leaves	Hove, L.W.A…	1991