Life form and biological spectrum of Indus Valley in Lower Ladakh region, J&K

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Article type :

Original article

Author :

A. Hamid,A.K. Raina

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Abstract :

Complete enumeration of floristic composition revealed the presence of 208 plant species belonging to 121 genera and 49 families which have been classified into various life forms classes after Raunkiaer (1934) to prepare a biological spectrum to represent climatic condition of the area. Hemicryptophytes (45.19%) and Therophytes (23.07%) dominated the landscape of this area followed by Chamaephyte (14.90%), Phanerophytes (8.17%) and Geophytes (8.17%). Higher percentage of Hemicryptophytes and Therophytes indicate the arid nature of the region with scanty precipitation and sparse vegetation. Compared to the normal biological spectrum of Raunkiaer, Phanerophytes showed maximum deviation (-37.83) followed by Hemicryptophytes (+19.19) and Therophyte (+10.07)

Keyword :

biological spectrum, Indus valley, Ladakh region, life forms
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