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Intraspecific differences in leaf chemical traits from five common evergreen species in contrasting climate conditions (temperature and precipitation) from northern Patagonian rainforest (42–44°S)

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Abstract

Background and aims

Soil properties and climate influence leaf chemical traits producing intraspecific variation in plants. Studies evaluating their importance in the South American Temperate Forest (STF) species are scarce. This study aimed to evaluate the intraspecific differences in five evergreen species of the rainforest considering two contrasting areas (i.e. temperature and precipitation), linking soil and climate with plants traits.

Methods

Soil properties (Corg%, N%, C/N, δ13C, δ15N, pH and temperature), climate variables (mean annual precipitation and temperature [MAP; MAT]) and leaf chemical traits (C%, N% and P%, C/N, N/P, δ13C and δ15N) were measured and compared between two areas in the Northern Patagonia (42°- 44°S). In addition, the relationship of leaf chemical traits with soil and climate was assessed.

Results

Significant differences were found in soil (Corg%, C/N and pH; p < 0.05) and climate (p < 0.05), with MAP identified as the most common factor controlling soil properties (Corg%, C/N and δ15N). Intraspecific differences in leaf chemical traits were found between areas, but not in all traits. The most common leaf chemical trait with significant differences was C%. Higher mean C% values were found in the island in plants and soils. High number of correlations (n = 13 correlations; p < 0.05) were found between leaf chemical traits. On the other hand, only MAP was a significant predictor of δ13C in the leaves.

Conclusion

The leaf chemical traits variability suggests a species-specific response to the soil and climate conditions, with important influence of precipitation as the most common predictor of soil properties and δ13C in the leaves.

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Data availability

The data of the plant leaf chemical traits and soil propierties generated during the current study are available from the corresponding author on reasonable request.

References

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Acknowledgements

We thank Dra. Marcia González-Teuber for her comments and suggestions that improved the manuscript and Eduardo Tejos for assistance with sampling and Ecogestión Ambiental Ltda for technical support. Carol Cerda-Peña thanks Centro de Investigación en Biodiversidad y Ambientes Sustentables (CIBAS), Agencia Nacional de Investigación y Desarrollo (ANID)/DoctoradoNacional/2020-21201505 (Chile), Doctorado en Ciencias mención en Biodiversidad y Biorecursos, and Dirección de postgrado de la Universidad Católica de la Santísima Concepción for financial support. This work was funded by ANID FONDECYT 1190398; ECOS SUD/ECOS ANID #C19U01/190011.

Funding

This work was supported by ANID FONDECYT 1190398; ECOS SUD/ECOS ANID #C19U01/190011; operational expenses fund ANID/DoctoradoNacional/2020–21201505; Doctorado en Ciencias mención en Biodiversidad y Biorecursos, and Dirección de postgrado de la Universidad Católica de la Santísima Concepción.

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Authors and Affiliations

Authors

Contributions

Carol Cerda-Peña: Conceptualization, Methodology, Writing, Original draft preparation, Visualization, Formal analysis, Investigation, Funding acquisition. Sergio Contreras: Conceptualization, Methodology, Writing, review & editing, Investigation, Funding acquisition, Supervision, Project administration. Arnaud Huguet: Methodology, Writing, review & editing, Funding acquisition.

Corresponding authors

Correspondence to Carol Cerda-Peña or Sergio Contreras.

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Competing interests

Financial interests: All author declare they have no financial interests.

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Cerda-Peña, C., Contreras, S. & Huguet, A. Intraspecific differences in leaf chemical traits from five common evergreen species in contrasting climate conditions (temperature and precipitation) from northern Patagonian rainforest (42–44°S). Plant Soil 493, 497–517 (2023). https://doi.org/10.1007/s11104-023-06244-8

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  • DOI: https://doi.org/10.1007/s11104-023-06244-8

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