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Water Released From Vessel Embolism May Temporarily Halt Further Embolism in Tropical Dipterocarp Trees.
Plant, Cell & Environment · · Journal Article · Open access
Scheire, de Lima Bittencourt + more
Abstract ↗AI summary
The abstract is read at the publisher; the summary is JClub's.
Temporary increases in branch water potential repeatedly occur during desiccation in five dipterocarp species in a Bornean tropical rainforest, mainly within the embolism range.
- Why it matters: Embolism in xylem can reduce hydraulic conductivity and threaten tree water transport, but how embolism-associated water release affects water status and further spread is unclear in tropical trees.
- What they did: Xylem vulnerability curves were measured from branches of 38 trees across five dipterocarp species, tracking branch water potential over time during desiccation.
- The result: The water-potential rises align with the range where embolism occurs, suggesting embolised vessels release water that may buffer declines and slow further embolism spread during desiccation.
The findingWhy it mattersWhat they didThe result
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