Vegetatio

, Volume 20, Issue 1–4, pp 74–96 | Cite as

Überblick über die Vegetation der Hochgebirgs-Stufe des Asama-Vulkans (Japan)

  • Emilia Poli
Article
  • 15 Downloads

Summary

After a short account of the geovolcanology of the volcano and the most important characteristic climatic factors, the Authoress presents the outlines of the vegetation to be found high up on Asama; she has divided it into three horizons:
  1. a)

    a Subalpine horizon from the limit of the forest (1,900–1,950 m) to about 2,150 m, which is characterized by theSalix reinii group, composed of shrub vegetation with Ericaceae in prevalence.

     
  2. b)

    the Alpine horizon, from between 2,150 and 2,280–2,380 m, characterized by thePolygonum weyrichii v.alpinum group, composed of a few herbaceous species grouped in sparce pioneer clods.

     
  3. c)

    the Desert horizon from 2,280–2,380 m to the top (2,542 m), characterized by absence of vegetation, at least limited to the macroscopic species.

     

In conclusion a table is presented synthetically of the altitudinal distribution of the horizons described, and a brief comparison is made between Mt. Asama and other mountains.

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Literatur

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Copyright information

© Dr. W. Junk N.V. Publishers 1970

Authors and Affiliations

  • Emilia Poli
    • 1
  1. 1.Botanisches Institut der UniversitätCataniaItalien

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