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Biologic Markers of Air-Pollution Stress and Damage in Forests (1989) / Chapter Skim
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Introduction
Pages 5-5

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From page 5...
... . Even if forests are distant from sources of pollutants, ambient concentrations of airborne chemicals can be sufficient to produce visible injury, alter biochemical and physiologic processes that control metabolism and carbon allocation, reduce resistance to disease, reduce resistance to abiotic stress, and lead to the death of individual trees (Berry and Riperton, 1963; Linzon, 1966; Dochinger, 1968; Cobb and Stark, 1970; Miller and McBride, 1975; Cowling, 1985; Kozlowski, 1985; McBride et al., 1985; McLaughlin, 1985~.
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Key Terms

  • nitrogen oxides
  • produce visible
  • visible injury
  • carbon allocation
  • sulfuric acid

  • lichen populations
  • physiologic processes
  • forest stress
  • experienced botanist
  • corticolous lichen

  • control metabolism
  • sulfur oxides
  • airborne chemicals
  • nitric acid
  • changes documented

  • normal variation
  • ambient concentrations
  • understanding normal
  • individual trees
  • abiotic stress

  • normal range
  • alter biochemical
  • botanist observing
  • normal variability
  • air pollution

  • devastated forests
  • research progresses
  • particular set
  • reproductive success
  • wide variety


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