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Variation in carbon traits among Fraxinus mandshurica populations and allometric equations between carbon traits and growth traits

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Abstract

Biomass-based carbon (C) stock estimation is the most accurate method for estimating the C stock in forestry. To accurately estimate the Manchurian ash (Fraxinus mandshurica Rupr.) C stock, the provenance effect on C traits was evaluated using 20 F. mandshurica provenances planted in 2 test sites in Northeastern China. A total of 360 trees were destructively sampled. The results showed that provenance effects were significant on the concentrations and amounts of C for F. mandshurica, indicating that integrating provenance factors will improve the accuracy in estimating forest C stocks. The growth rate had no significant effect on the C concentration, indicating that using fast-growing provenances for afforestation will sequester the most carbon dioxide. The allocation of C concentration and C amount gradually decreased along apical extensions, indicating that there was a balance between C allocation to storage and allocation to growth for F. mandshurica. The geographic factor analysis showed that both climate at origin and environmental factors at test site could srongly influence C traits. Allometric equations were fitted between the C amount and DBH, and the C amount can be estimated by the equation and the DBH, which is easily measured. In summary, our research results increase the accuracy of estimating the C storage of F. mandsurica, provide a theoretical basis for increasing C sequestration in artificial afforestation using fast-growing provenances.

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https://doi.org/10.5061/dryad.2280gb5pk.

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Acknowledgements

This study was financially supported by Heilongjiang Province Applied Technology Research and Development Program Key Project (GA19B201).

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XZ selected samples, measured data, analyzed data and wrote the paper; YZ conducted the overall design, implementation and analysis of the project, and approved the paper; FZ carried out the design, specific implementation and investigation analysis of provenances and carbon storage plots; DX carried out the design, establishment and investigation of provenance forest in the Maoershan experimental test site; GZ conducted the sample survey and sampling at the Dailing test site; NL, LH, LY, YC, YX participated in data determination.

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Correspondence to Fansuo Zeng or Yaguang Zhan.

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Zhao, X., Liang, N., He, L. et al. Variation in carbon traits among Fraxinus mandshurica populations and allometric equations between carbon traits and growth traits. New Forests 52, 921–942 (2021). https://doi.org/10.1007/s11056-020-09832-z

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  • DOI: https://doi.org/10.1007/s11056-020-09832-z

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