Title Authors Year
The nutritional status of Picea abies (L.) Karst. across Europe, and implications for "forest decline".

Cape, J.N…

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

Näsholm, T…

1990
Air pollution and tree-dwelling aphids. Population Dynamics of Forest Insects

McNeill, S…

1990
Growth, ectomycorrhizae and nonstructural carbohydrates of loblolly pine seedlings exposed to ozone and soil water defect

Meier, S.;…

1990
Environmental Health Criteria 86 Mercury- Environmental Aspects

WHO,

 		1989
Indigenous and cultivated plants as bioindicators

Weinstein,…

1989
Long-term change in the suitability of welsh streams for dippers Cinclus cinclus as a result of acidification and recovery: A modelling study.

Ormerod, S.…

1989
Effects of ammonia emission on epiphytic lichen vegetation

DeBakker, A…

1989
Lichen Recolonization in London under Conditions of Rapidly Falling Sulfur-Dioxide Levels, and the Concept of Zone Skipping.

Hawksworth…

1989
Global Emissions of Nitrogen and Sulfur-Oxides from 1860 to 1980

Dignon, J…

1989