APIS Bibliography

Title	Authors	Year
Effects of acidic gases and mists on the reproductive capability of 3 fern species	Lawrence, P…	1993
Nitrogen and phosphorus concentrations and N:P ratios in Norwegian lakes. Perspective on nutrient limitation	Faafeng, B…	1993
Zinc Phytotoxicity	Chaney, R.…	1993
Chromium toxicity in Salvia scarea I Effects of hexavalent chromium on seed germination and seedline development	Corraddi, M…	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
Critical Loads - Concepts and Applications	Cresser, M.…	1993
A survey of the health of Fagus sylvatica in southern Britain.	Ling, K.A…	1993
The effect of external stress and disturbance factors on Calluna dominated heathland vegetation.	Berdowski,…	1993
Observations on the changes in nitrate concentrations in seven upland moorland catchments in north eastern Scotland	Black, K.E…	1993