title: Air pollution and forest health: establishing cause and effect in the forest.
authors.affiliation: University of Massachusetts, Amherst, MA, USA. aamanning@mindspring.com
authors.forename: W J
authors.initials: WJ
authors.lastname: Manning
mesh_terms: D000397:Air Pollution / Q000009:adverse effects* / Q000032:analysis*; D017753:Ecosystem; D005060:Europe; D016468:Forestry / Q000639:trends; D000075322:Heavy Metal Poisoning; D017672:Nitrogen Compounds / Q000506:poisoning; D010126:Ozone / Q000506:poisoning; D013458:Sulfur Dioxide / Q000506:poisoning; D014197:Trees / Q000187:drug effects* / Q000254:growth & development*; D014481:United States
chemical_list: D017672:Nitrogen Compounds; D013458:Sulfur Dioxide; D010126:Ozone