Forest decline and air pollution

Eitemau Tebyg

• Effects of accumulation of air pollutants in forest ecosystems :
  gan: Ulrich, B.
  Cyhoeddwyd: (1983)
• Air pollution and forests: Interactions bewteen air contaminats and forest ecosystems
  gan: Smith, William H
  Cyhoeddwyd: (1981)
• Air pollution and forests: interactions between air contaminants and forest eco-systems
  gan: Smith, William H
  Cyhoeddwyd: (1990)
• Air Pollution's toll on forests & crops
  gan: James J Mackenzie
• Air pollution /
  Cyhoeddwyd: (1976)