APIS Bibliography

Title	Authors	Year
Atmospheric deposition of sulphur and nitrogen in heathland ecosystems.	Bobbink, R…	1993
North Sea quality status report 1993	OSPARCOM,…	1993
Examining the Cr uptake of ryegrass from inorganic compounds and sewage sludge in pot experiements	Loch, J ;…	1993
Observations on the changes in nitrate concentrations in seven upland moorland catchments in north eastern Scotland	Black, K.E…	1993
Effects of acidic gases and mists on the reproductive capability of 3 fern species	Lawrence, P…	1993
The Deposition of Atmospheric Ammonia and Its Effects on Plants	Pearson, J…	1993
The influence of nitrogen fertilization on ectomycorrhizas and their fungal corpophores in young stands of Pinus sylvestris	…	1993
Zinc Phytotoxicity	Chaney, R.…	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