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File:Floristic regions in Europe (english).png

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Description
English: Floristic regions in Europe and western Siberia, according to Wolfgang Frey and Rainer Lösch
  • The central european region and the central russian region are sister regions. The border between them is similar to the Fagus sylvatica limit (January, day-time temperature average: above -2°C).
  • The border between the central russian region and the boreal region is similar to the Quercus spp. limit (Day-time temperature average: above 10°C, 4 months per year).
  • The border between the boreal region and the arctic region is similar to the tree line, taiga/ arctic tundra limit (July, day-time temperature average: above 10°C).
  • The border of the atlantic region is the limit of no frost (average), Gulf Stream influence.
    • The warm islands in the Atlantic ocean are in the macaronesia region: isolated populations in a more humid environment.
  • The mediterranean region is similar to the occurrence of wild Olea europea and wild Cistus salviifolius (Olea europea is grown very North in Italy).
  • The border between the submediterranean region and the central european region is similar to the alpine arc (upper Rhone, upper Rhine, lower Danube), a weather barrier.
  • The pontic region border is similar to the tree line/ steppe limit (less than 450 mm precipitation per year).
  • The turanian region has a semi-arid climate.
  • References:
    • Frey W, Lösch R (2004) Lehrbuch der Geobotanik. Elsevier, Spektrum; München, Heidelberg; ISBN 3-8274-1193-9 (graphic modified from Walter H (1954) Grundlagen der Pflanzenverbreitung. Einführung in die Pflanzengeographie, II. Teil: Arealkunde. Ulmer, Stuttgart-Ludwigsburg)
    • Frey W, Lösch R (2010) Geobotanik: Pflanzen und Vegetation in Raum und Zeit. 3 ed, Spektrum, Heidelberg, ISBN 978-3-8274-2335-1
Français : Régions floristiques européennes actuelles (Europe et Siberie occidentale), selon Wolfgang Frey et Rainer Lösch
Date 2008
Source Own work
Author User:Olahus

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