altitudinal vegetation zone

altitudinal vegetation zone

[¦al·tə¦tüd·ən·əl ‚vej·ə′tā·shən ‚zōn]
(ecology)
A geographical band of physiognomically similar vegetation correlated with vertical and horizontal gradients of environmental conditions.
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References in periodicals archive ?
The alpine scenery is gradually transformed over different altitudinal vegetation zones, into a rocky steppe.
Also, altitudinal vegetation zones were repeatedly much lower during the Pleistocene than they are at present, and this certainly made migration along the Western Cordillera possible even right through the Chamaya Valley and relatively easy for plants even of very high altitudes.