Various aspects of the water relations of six species (Arctophila fulva, Dupontia fischeri, Carex aquatilis, Eriophorum angustifolium, Potentilla hyparctica, and Salix pulchra) characteristic of the wet, coastal tundra near Barrow, Alaska, were measured during the summers of 1972 and 1973 to examine the hypothesis that water stress may increase stomatal resistance and inhibit photosynthesis. A simulation model of internal water status was constructed to examine this hypothesis. The slopes of the leaf water potential vs. relative saturation deficit (RSD) curves were between -0.6 and 1.8 bars RSD-1. The minimum leaf resistances were between 1 and 3 sec cm-1 for all species but A. fulva which was 6 sec cm-1. The relation
Water Relations of Plant Species in the Wet Coastal Tundra at Barrow, Alaska
Published 1975 in Arctic and Alpine Research
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- Publication year
1975
- Venue
Arctic and Alpine Research
- Publication date
1975-05-01
- Fields of study
Biology, Environmental Science
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- External record
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Semantic Scholar
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