APIS Bibliography

Title	Authors	Year
Observations on the changes in nitrate concentrations in seven upland moorland catchments in north eastern Scotland	Black, K.E…	1993
Nitrogen and phosphorus concentrations and N:P ratios in Norwegian lakes. Perspective on nutrient limitation	Faafeng, B…	1993
A new potential air-quality criterion derived from vertical flux densitites of ozone and from plant response	Grunhage, L…	1993
Dissolved inorganic nitrogen budget for a forested catchment at Beddgelert, North Wales	Stevens, P.…	1993
Atmospheric deposition of sulphur and nitrogen in heathland ecosystems.	Bobbink, R…	1993
A survey of the health of Fagus sylvatica in southern Britain.	Ling, K.A…	1993
Examining the Cr uptake of ryegrass from inorganic compounds and sewage sludge in pot experiements	Loch, J ;…	1993
Critical Loads - Concepts and Applications	Cresser, M.…	1993
The effect of external stress and disturbance factors on Calluna dominated heathland vegetation.	Berdowski,…	1993
Critical loads for peat soils	Cresser, M.…	1993