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
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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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