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Adaptive genetic diversity of trees for forest conservation in a future climate: a case study on Norway spruce in Austria

Abstract : Genetic resources of forest trees are considered as a key factor for the persistence of forest ecosystems because the ability of tree species to survive under changing climate depends strongly on their intraspecific variation in climate response. Therefore, utilizing available genetic variation in climate response and planting alternative provenances suitable for future climatic conditions is considered as an important adaptation measure for forestry. On the other hand, the distribution of adaptive genetic diversity of many tree species is still unknown and the predicted shift of ecological zones and species’ distribution may threaten forest genetic resources that are important for adaptation. Here, we use Norway spruce in Austria as a case study to demonstrate the genetic variation in climate response and to analyse the existing network of genetic conservation units for its effectiveness to safeguard the hotspots of adaptive and neutral genetic diversity of this species. An analysis of the climate response of 480 provenances, clustered into 9 groups of climatically similar provenances, revealed high variation among provenance groups.
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https://hal.inrae.fr/hal-02646224
Déposant : Migration Prodinra <>
Soumis le : vendredi 29 mai 2020 - 04:15:54
Dernière modification le : mardi 16 février 2021 - 03:31:25

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Silvio Schueler, Stefan Kapeller, Heino Konrad, Thomas Geburek, Michael Mengl, et al.. Adaptive genetic diversity of trees for forest conservation in a future climate: a case study on Norway spruce in Austria. Biodiversity and Conservation, Springer Verlag, 2013, 22, pp.1151-1166. ⟨10.1007/s10531-012-0313-3⟩. ⟨hal-02646224⟩

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