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June 13, 2026PeerJOpen Access

Provenance-specific responses to climatic mismatch in Betula ermanii Cham. and implications for climate adaptation

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Authors

APAye Myat Myat PaingTATakaki AiharaYTYoshihiko Tsumura

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Overview

Randomized trial shows varying climatic responses in Betula ermanii provenances, suggesting strategies for adaptation.

Key Points

  • This research aims to understand how climatic mismatches affect the performance of different provenances of Betula ermanii.
  • Evaluated seedling performance using a composite index of survival and growth from 11 provenance trials across Japan.
  • Applied generalized linear mixed models to assess the impact of temperature and precipitation mismatches.
  • Projected changes in performance under future climate scenarios (SSP2–4.5 and SSP5–8.5).
  • Seedling performance declined weakly with increased precipitation mismatch; temperature responses differed widely among provenances.
  • High-elevation central provenances were more sensitive to warming, while northern ones showed less response.
  • Under future scenarios, northern provenances had generally higher predicted performance, central ones showed mixed results, and southern provenances performed poorly across conditions.

Cite This Study

Paing et al. (2026) studied this question.

synapsesocial.com/papers/6a2cf4aefaef96ed7f056e36https://doi.org/10.7717/peerj.21425
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