Patterns of water potential among forest types of the central Himalaya

Water potential (ψ) of soil and trees was measured in 16 forests from 450 to 2310 m elevation in the Kumaun Himalaya, during a two-year period. Predawn ψ, averaged across all species at a site was high (i.e. not stressful) at low elevations and variable at higher elevations. The incidence of low ψ a...

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Published in:Current science (Bangalore) 2001-03, Vol.80 (6), p.774-779
Main Authors: Zobel, Donald B., Garkoti, Satish C., Singh, Surendra P., Tewari, Ashish, Negi, C. M. S.
Format: Article
Language:English
Subjects:
Asia, Himalaya Mts
Coniferous forests
Forest soils
Forest stands
Plants
Rainy seasons
RESEARCH COMMUNICATIONS
Seasons
Soil water
Summer
Trees
Winter
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container_start_page 774
container_title Current science (Bangalore)
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creator Zobel, Donald B.
Garkoti, Satish C.
Singh, Surendra P.
Tewari, Ashish
Negi, C. M. S.
description Water potential (ψ) of soil and trees was measured in 16 forests from 450 to 2310 m elevation in the Kumaun Himalaya, during a two-year period. Predawn ψ, averaged across all species at a site was high (i.e. not stressful) at low elevations and variable at higher elevations. The incidence of low ψ at high elevations was opposite the usual pattern elsewhere. Midday ψ varied similarly. Patterns of plant and soil ψ differed. ψ values, especially in summer and winter, were severe enough to affect tree growth adversely.
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source JSTOR Archival Journals and Primary Sources Collection
subjects Asia, Himalaya Mts
Coniferous forests
Forest soils
Forest stands
Plants
Rainy seasons
RESEARCH COMMUNICATIONS
Seasons
Soil water
Summer
Trees
Winter
title Patterns of water potential among forest types of the central Himalaya
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