Reports

Effect of Low Concentrations of Carbon Dioxide on Photosynthesis Rates of Two Races of Oxyria

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Science  09 Jun 1961:
Vol. 133, Issue 3467, pp. 1834
DOI: 10.1126/science.133.3467.1834

Abstract

Alpine plants of Oxyria digyna have higher apparent photosynthesis rates at various carbon dioxide concentrations than arctic, sea-level plants of the same species. The ability to utilize carbon dioxide effectively at low concentrations may be involved in the survival of plants at high elevations.