ArticlePlant-environment interactions (Hoboken, N.J.)2025
Morpho-Physiological Traits and Dehydration Tolerance of High-Altitude Andean Wetland Vegetation in the Chilean Atacama Region.
Article in Plant-environment interactions (Hoboken, N.J.), 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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6 authors.
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Abstract
High-altitude wetlands of the Andes (HAWA) are unique ecosystems influenced by substrate conditions and reliant on consistent water supply from precipitation, runoff, groundwater, and glacial melting. Considering the diverse ecosystem services provided by HAWAs and the increasing threat these ecosystems face from natural and anthropogenic factors, such as drought, land-use change, and climate change, it is crucial to conduct a comprehensive assessment of their vulnerability. In this study, we characterized the functional trait spectrum of dominant plant species within the Salar de Pedernales, Quebrada Leoncito (Leoncito) and Río Negro HAWAs and explored the relationships between these traits and key environmental variables. Our results revealed significant variation in plant species based on traits such as leaf dry matter content (LDMC), specific leaf area (SLA), relative water content (%RWC), and leaf thickness. Species were primarily differentiated by LDMC and SLA. Plants from Salar de Pedernales had higher δ13C values, indicating higher water-use efficiency (WUE) compared to those in tributaries like Leoncito and Río Negro. A positive correlation between stomatal conductance and CO
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