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  • 8 - VEGETATION

  • from PART 1 - THE LAND
    • By H. Bobek, Geography, University of Vienna
  • Edited by W. B. Fisher
  • Book:
    The Cambridge History of Iran
    Published online:
    28 March 2008
    Print publication:
    01 October 1968, pp 280-293

  • Summary

    Vegetal conditions in Iran were at their optimum during the third and second millennia BC. The regional changes in distribution and character of the country's natural vegetation cover stem from four factors: climatic situation; hytogeographical region; pronounced and varied topography of the plateau; and impact of human activity upon the vegetation. Many modes of interference have given rise to many forms of semi-natural vegetation, which may represent stages either in a process of destruction or of regeneration. All the relevant types of vegetation can be arranged according to their dependence: first, on atmospheric humidity (precipitation) or ground moisture; and second, on temperature as expressed in elevation or exposure. In the western part of the Iranian plateau there is only one area of a truly humid forest. The chapter also presents a discussion of the azonal vegetation types.