Water Stress in Krummholz, Wasatch Mountains, Utah

Water Stress in Krummholz, Wasatch Mountains, Utah

The krummholz form of Engelmann spruce was found to develop water potentials below -90 bars during the winter. Changes in sugar concentration associated with cold hardiness could not account for such low water potentials. These low water potentials may reflect a frozen substrate and windy conditions...

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Bibliographische Detailangaben
Veröffentlicht in:Botanical gazette (Chicago, Ill.) Ill.), 1972-12, Vol.133 (4), p.392-394
Hauptverfasser: Hansen, David H., Klikoff, Lionel G.
Format: Artikel
Sprache:eng
Schlagworte:
Cements
Chemistry
Dehydration
Gibberellins
Plant ecology
Plants
Soil water
Sugar crops
Sugars
Timberlines
Online-Zugang:Volltext
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Beschreibung
Zusammenfassung:The krummholz form of Engelmann spruce was found to develop water potentials below -90 bars during the winter. Changes in sugar concentration associated with cold hardiness could not account for such low water potentials. These low water potentials may reflect a frozen substrate and windy conditions.
ISSN:0006-8071
DOI:10.1086/336660