Tropical Plant Research

Tropical Plant Research

An International Journal by Society for Tropical Plant Research

E-ISSN: 2349-1183 P-ISSN: 2349-9265
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2014, VOLUME 1 ISSUE 2Pages: 48-54

Elevational controls of lichen communities in Zanskar valley, Ladakh, a Trans Himalayan cold desert

Jatinder Kumar, Himanshu Rai, Roshni Khare, D. K. Upreti*, P. Dhar, A. B. Tayade, O. P. Chaurasia, R. B. Srivastava
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Abstract:
Elevation linked climatic factors such as temperature, moisture, radiation and precipitation delimit the distribution of organisms. Effect of elevation was studied on lichen diversity in seven spatially separated sites of Zanskar valley, in Ladakh region of Indian Himalayan state of Jammu and Kashmir. The study revealed presence of 24 species, of lichens in the valley belonging to 12 genera and 10 families. Microlichens (crustose, placodioid, squamulose) were the dominant growth forms in all the studied sites. Acarospora badiofusca and Xanthoria elegans were the most common species in the valley. The study revealed presence of one new record for the state (i.e. Endocarpon pallidum) and there new Toninia species to the lichen flora of India. Principal component analysis (PCA) of sites and further two tailed bivariate correlational analysis concluded the determinable influence of elevation on the lichen diversity of the valley.
Location map of study sites in Zanskar valley.

Fig.: Location map of study sites in Zanskar valley.


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