PJB-2008-69
MULTIVARIATE ANALYSIS OF VEGETATION OF CHAPURSAN VALLEY: AN ALPINE MEADOW IN PAKISTAN
SULTAN MEHMOOD WAZIR1, ALTAF AHMAD DASTI2, SHEHZADI SAIMA2, JEHANDAR SHAH3 AND FARRUKH HUSSAIN4
Abstract
Climatically the Chapursan Valley (Gilgit) is classified as alpine region but floristically it may be characterized as a part of Eastern Irano-Turanian region. Presence/absence data were used to classify and ordinate for both sites and species. DCA axes 1 and 2 were used for data interpretation. The relationships between soil characters and DCA axes 1 and 2 were determined using Spearman Rank correlation. Cluster analysis identified 5 vegetation types viz., crassulescent steppes, chamaephytic steppes, erme, moist sub-alpine pastures and riverine pseudo-steppes. These vegetation types have been discussed in the context of topographic and edaphic heterogeneity.
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