Title Authors Year
Comparative toxicity of inorganic contaminants released by placer mining to early life stages of salmonids

Buhl, K. J…

1990
Forest soil chemical changes between 1949-50 and 1987

Billett, M.…

1990
Decline of the natterjack toad Bufo clamita in Britain: Paleoecological, documentary and experimental evidence for breeding site acidification

Beebee, T.J…

1990
Seasonal changes in amino acids, protein and total nitrogen in needles of fertilised Scots pine trees

Näsholm, T…

1990
Effects of N-emissions on nutrient status and vitality of Pinus sylvestris near a hen house.

…

1989
Environmental Health Criteria 85 Lead- Environmental Aspects

WHO,

 		1989
Peat acidification in Scotland

Skiba, U.;…

1989
Environmental Health Criteria 86 Mercury- Environmental Aspects

WHO,

 		1989
Indigenous and cultivated plants as bioindicators

Weinstein,…

1989
A regression model for nitrate leaching in Northern Ireland.

Smith, R.V…

1989