Quantitative Response of Vegetation in Glacial Moraine of Central Himalaya

Udai N. Gaur, G.P. Raturi and A.B. Bhatt
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Udai N. Gaur: HNB Garhwal University, Srinagar (Garhwal)
G.P. Raturi: HNB Garhwal University, Srinagar (Garhwal)
A.B. Bhatt: HNB Garhwal University, Srinagar (Garhwal)

Environment Systems and Decisions, 2003, vol. 23, issue 3, 237-247

Abstract: Abstract The snowline in Himalaya is rising ceaselessly due to regional and global climatic change. Upward rising of snowline leads to the formation of moraines. Due to extreme environmental conditions the existing vegetation of the moraine is scanty, rigorous and possesses different ecological adaptation. Ablation zone of the glacier is covered by a thick pile of supra glacial moraines and is characterized by several serrac ice sections, melting into pools of supra glacial lakes because of subsidence and fast degenerating nature of the glacier. Anaphalis triplinervis was observed to have highest importance value in ablation moraine zone. Here the species richness increased remarkably partially due to the invasion of plant species from lower alpine belt. The fresh lateral moraine displays distressed soil features with mosaic type of vegetation. Gaultheria trichophylla is a dominant plant species here and is associated with other stunted and cold resisting species. The old lateral moraine is dominated by Potentilla atrosanguinea with co-dominant species Iris kemaonensis and Danthonia cachemyriana.

Keywords: Central Himalaya; diversity; geomorphology; Himalayan glacier; moraine; vegetation (search for similar items in EconPapers)
Date: 2003
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DOI: 10.1023/B:ENVR.0000017378.55926.a7

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