| Autor: |
Liang, Xingyun, Ye, Qing, Liu, Hui, Brodribb, Timothy J. |
| Předmět: |
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| Zdroj: |
New Phytologist; Mar2021, Vol. 229 Issue 6, p3053-3057, 5p |
| Abstrakt: |
A recent data synthesis showed that trees dehydrated to SB lethal sb experienced a > 60% loss of xylem conductivity, suggesting a ubiquitous hydraulic failure in drought-induced tree mortality (Adams I et al i ., 2017). Water potential threshold across species and biomes Across all tree species assessed, the SB lethal sb ranged widely from -1.5 MPa ( I Populus balsamifera i , an angiosperm) to -14.7 MPa ( I Callitris columellaris i , a gymnosperm) (Fig. In sum, our synthesis of data showed that tree SB lethal sb ranged widely from -1.5 to -14.7 MPa across species and biomes, and the SB lethal sb was significantly lower for gymnosperms than angiosperms. Tree SB lethal sb of gymnosperms was close to P50, while for angiosperms, tree SB lethal sb was closer to P88. [Extracted from the article] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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