APIS Bibliography

Title	Authors	Year
Atmospheric deposition of sulphur and nitrogen in heathland ecosystems.	Bobbink, R…	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
Effects of acidic gases and mists on the reproductive capability of 3 fern species	Lawrence, P…	1993
How Britain hides its acid soil	Pearce, F…	1993
Nitrogen eutrophication and critical load for nitrogen based upon changes in flora and fauna in (semi)-natural terrestrial ecosystems	Bobbink, R…	1993
Dissolved inorganic nitrogen budget for a forested catchment at Beddgelert, North Wales	Stevens, P.…	1993
Examining the Cr uptake of ryegrass from inorganic compounds and sewage sludge in pot experiements	Loch, J ;…	1993
Air Pollution and Tree Health in the United Kingdom	DOE, .	1993
Critical Loads - Concepts and Applications	Cresser, M.…	1993