Effects of air pollution on forests. Manuscript report No. MR2-86 Brown, G L 54 ENVIRONMENTAL SCIENCES; ACID RAIN; ENVIRONMENTAL EFFECTS; FORESTS; AIR POLLUTION; AROMATICS; DEPOSITION; FORESTRY; HYPOTHESIS; METALS; MIXTURES; NITROGEN DIOXIDE; OZONE; POLLUTANTS; SULFUR DIOXIDE; TRACE AMOUNTS; ATMOSPHERIC PRECIPITATIONS; CHALCOGENIDES; DISPERSIONS; ELEMENTS; NITROGEN COMPOUNDS; NITROGEN OXIDES; ORGANIC COMPOUNDS; OXIDES; OXYGEN COMPOUNDS; POLLUTION; RAIN; SULFUR COMPOUNDS; SULFUR OXIDES; 540120* - Environment, Atmospheric- Chemicals Monitoring & Transport- (1990-); 540220 - Environment, Terrestrial- Chemicals Monitoring & Transport- (1990-) This paper reviews existing literature searching for possible causes of major forest declines, with a focus on the potential involvement of air pollutants including gaseous pollutants, acid deposition, heavy metals and organic compounds. The response of forests to various pollutants, ozone, sulphur dioxide and nitrogen dioxide, acid deposition, heavy metals and pollutant mixtures, is discussed and hypotheses of pollutant-related forest declines are developed. Canadian Environmental Assessment Research Council, Hull, PQ (Canada) NTIS Canada 1986-01-01 English Technical Report Special Availability Medium: X; Size: Pages: (66 p) https://doi.org/ [] MIC-93-06481/XAB GRA; GRA-93-42340; EDB-93-151999 2008-02-07 5944178