ArticleScientific reports2025
Polylepis wood acclimation strategies to ENSO events.
Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
6 authors.
Funding
Abstract
During the El Niño Southern Oscillation (ENSO), heat wave variations off the High Andean Puna (HAP) cause extreme droughts at high altitudes. A better understanding of the drought susceptibility of HAP Polylepis xeric-species is needed given the increasing frequency of desiccation and tree mortality. We evaluated the tree ring growth and vessel trait plasticity to ENSO intensities (neutral, weak, moderate, and strong) of two Polylepis xeric-species (Polylepis rugulosa and Polylepis tarapacana). We demonstrated annual ring width and vessel trait differences between La Niña and El Niño events for both species. We showed that specific vessel traits exhibit coordination with water-use efficiency in response to ENSO events, thereby reducing vulnerability to hydraulic failure. When assessing the effects of ENSO events on specific vessel traits, special attention should be paid to traits that confer resilience, resistance, and recovery to growth of these species. This knowledge is essential to suggest that this adjustment to ENSO events may increase their capacity to tolerate and adapt to new extreme climatic conditions in the HAPs.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.