Title Authors Year
Predicting nitrate concentrations in Northern Ireland rivers using time series analysis

Strong, K.M…

1997
Human impacts on the nitrogen cycle: A global problem judged from a local perspective

Hessen, D.O…

1997
Impact of grazing and atmospheric nitrogen deposition on the vegetation of dry coastal dune grasslands

Harkle, M.J…

1996
Stoneworts - connoisseurs of clean water

Stewart, N.…

1996
Air pollution and biodiversity: a review

Dudley, N…

1996
Calculation and evaluation of sediment effect concentrations for the amphiod Hyalella azteca and the midge Chironomus riparius

Ingersoll,…

1996
Current and historical relationships between the tissue N content of a snowbed bryophyte and nitrogenous air pollution.

Woolgrove,…

1996
Effects of sulphur dioxide and ozone on lichen colonization of conifers in the Liphook forest fumigation project.

Bates, J.W…

1996
Exploring the balance between sources, deposition, and the environmental burden of PCDD/Fs in the U.K. environment: an aid to identifying uncertainties and research needs

Duarte-…

1996
Manual on methodologies and criteria for mapping critical levels/loads and geographical areas where they are exceeded

UNECE,

 		1996