Which factors are responsible for the changing lichen floras of London?

  • O. W. Purvis
  • , J. Chimonides
  • , V. Din
  • , L. Erotokritou
  • , T. Jeffries
  • , G. C. Jones
  • , S. Louwhoff
  • , H. Read
  • , B. Spiro

Research output: Contribution to journalArticlepeer-review

Abstract

SO2 is no longer the principal factor influencing the vitality and composition of lichen assemblages in London. We provide direct evidence for an impact on lichen growth during episodic high exhaust emissions coupled with unusual climatic conditions. This suggests a combination of particles and nitrogen plays a major role in influencing lichen growth. Nitrogen from traffic emissions may be at least as important as agriculture in influencing the composition of lichen assemblages.

Original languageEnglish
Pages (from-to)179-189
Number of pages11
JournalScience of the Total Environment
Volume310
Issue number1-3
DOIs
StatePublished - 1 Jul 2003
Externally publishedYes

Keywords

  • Air quality
  • Floras
  • Lichen
  • London
  • Nitrogen
  • Particles
  • Sulfur dioxide
  • Traffic emissions

ASJC Scopus subject areas

  • Environmental Engineering
  • Environmental Chemistry
  • Waste Management and Disposal
  • Pollution

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