APIS Bibliography

Title	Authors	Year
Critical Loads: Concepts and Applications	Harriman, R…	1993
Reproduction in two submersed macrophytes declines progressively at low pH.	Titus, J.E…	1993
The effect of external stress and disturbance factors on Calluna dominated heathland vegetation.	Berdowski,…	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
Chromium toxicity in Salvia scarea I Effects of hexavalent chromium on seed germination and seedline development	Corraddi, M…	1993
Impacts of sulphur and nitrogen deposition on sites and species of nature conservation importance in Great Britain	Woodin, S.J…	1993
Insects and Pollution	Helivvaara…	1993
Dissolved inorganic nitrogen budget for a forested catchment at Beddgelert, North Wales	Stevens, P.…	1993
A new potential air-quality criterion derived from vertical flux densitites of ozone and from plant response	Grunhage, L…	1993