APIS Bibliography

Title	Authors	Year
Distribution and decline of endangered herbaceous heathland species in relation to the chemical composition of the soil	Houdijk, A.…	1993
Impacts of sulphur and nitrogen deposition on sites and species of nature conservation importance in Great Britain	Woodin, S.J…	1993
SSSIs in England at risk from acid rain	Bissett, K…	1993
Insects and Pollution	Helivvaara…	1993
Review of the impact of current and future acid deposition in Wales	Reynolds, B…	1993
Effect of acid rain on pine needles as food for capercaillie in winter	Spidsx, T.K…	1993
North Sea quality status report 1993	OSPARCOM,…	1993
Atmospheric deposition of sulphur and nitrogen in heathland ecosystems.	Bobbink, R…	1993
Observations on the changes in nitrate concentrations in seven upland moorland catchments in north eastern Scotland	Black, K.E…	1993
The influence of nitrogen fertilization on ectomycorrhizas and their fungal corpophores in young stands of Pinus sylvestris	…	1993