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Carbon balance, productivity, and water use of cold-winter desert shrub communities dominated by C3 and C4 species

Citation

Richard S White, L B Camp, Martyn M Caldwell, and Russell T Moore, Carbon balance, productivity, and water use of cold-winter desert shrub communities dominated by C3 and C4 species: .

Summary

Common generalizations concerning the ecologic significance of C4 photosynthesis were tested in a study of plant gas exchange, productivity, carbon balance, and water use in monospecific communities of C3 and C4 salt desert shrubs. Contrary to expectations, few of the hypotheses concerning the performance of C4 species were supported. Like the C3 species, Ceratoides lanata, the C4 shrub, Atriplex confertifolia, initiated growth and photosynthetic activity in the cool spring months and also exhibited maximum photosynthetic rates at this time of year. To compete successfully with C3 species, Atriplex may have been forced to evolve the capacity for photosynthesis at low temperatures prevalent during the spring when moisture is most abundant. [...]

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  • Upper Colorado River Basin

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From Source - Mendeley RIS export <br> On - Tue May 10 10:52:08 CDT 2011

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Title Citation Carbon balance, productivity, and water use of cold-winter desert shrub communities dominated by C3 and C4 species

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