distribution of C4 species of the Cyperaceae in North America in relation to climate

The percent of species of the Cyperaceae possessing the C₄ pathway was calculated for twenty-five regions of North America. A stepwise multiple regression analysis was used to determine which climatic variables were most highly correlated with the percent C₄ species among the various regions. The sq...

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Bibliographic Details
Published in:Oecologia 1980-12, Vol.47 (3), p.307-310
Main Authors: Teeri, J.A, Stowe, L.G, Livingstone, D.A
Format: Article
Language:English
Subjects:
Climate
Climate models
Genera
Geographic regions
Mathematical minima
Multiple regression
Plants
Precipitation
Solar temperature
Vegetation canopies
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Summary:The percent of species of the Cyperaceae possessing the C₄ pathway was calculated for twenty-five regions of North America. A stepwise multiple regression analysis was used to determine which climatic variables were most highly correlated with the percent C₄ species among the various regions. The square of the mean July minimum daily temperature exhibited the strongest correlation with the transformed percentage of C₄ species. It appears that the relationship to climatic variables of the C₄ species of the Cyperaceae is similar, but not identical to the relationship previously reported for C₄ species of the Gramineae.
ISSN:0029-8549
1432-1939
DOI:10.1007/BF00398522