Abstract
Iran is a large country with a total surface of 1,648,000 km2 and altitude ranging from 25 m b.s.l. along the Caspian Lowlands to 5,774 m a.s.l. on Mt. Damavand. The climatic conditions within the country are very diverse with a climate ranging from less than 100 mm mean annual precipitation in the central deserts of Iran up to more than 2,000 mm in the north of Iran. The climate contrasts together with different geological substrates across the country providing various habitats and vegetation structures. By now, there is no comprehensive vegetation database dealing with all regions of Iran. There is only scattered vegetation information mainly for the forest areas and the halophytic vegetation. The mountain steppes, wetlands and Zagros Mountains remain still unknown. The Vegetation Database of Iran (GIVD ID AS-IR-001) has been planned for collecting all available literature on Iranian vegetation and continues future input to the database.
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