Climate adaptation and ecological restoration in eucalypts

S.M. Prober, B.M. Potts, T. Bailey, M. Byrne, S. Dillon, P.A. Harrison, A.A. Hoffmann, R. Jordan, E.H. Mclean, D.A. Steane, W.D. Stock, R.E. Vaillancourt

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    17 Citations (Scopus)

    Abstract

    Eucalypts are the cornerstone of ecological restoration efforts across the highly modified agricultural landscapes of southern Australia. 'Local provenancing' is the established strategy for sourcing germplasm for ecological restoration plantings, yet this approach gives little consideration to the persistence of these plantings under future climates. This paper provides a synopsis of recent and ongoing research that the authors are undertaking on climate adaptation in eucalypts, combining new genomic approaches with ecophysiological evidence from provenance trials. These studies explore how adaptive diversity is distributed within and among populations, whether populations are buffered against change through capacity for phenotypic plasticity, and how this informs provenancing strategies. Results to date suggest that eucalypts have some capacity to respond to future environmental instability through adaptive phenotypic plasticity or selection of putatively adaptive alleles. Despite this, growing evidence suggests that eucalypts will still be vulnerable to change. Provenancing strategies that exploit adaptations found in non-local provenances could thus confer greater climate-resilience in ecological restoration plantings, although they will also need to account for potential interactions between climate adaptations and other factors (e.g. cryptic evolutionary variation, non-climate-related adaptations, herbivory and elevated CO2).
    Original languageEnglish
    Pages (from-to)40-53
    Number of pages14
    JournalProceedings of the Royal Society of Victoria
    Volume128
    Issue number1
    DOIs
    Publication statusPublished - 2016
    Event2015 Ecological Society of Australia Conference - Adelaide, Australia
    Duration: 29 Nov 20153 Dec 2015

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  • Cite this

    Prober, S. M., Potts, B. M., Bailey, T., Byrne, M., Dillon, S., Harrison, P. A., Hoffmann, A. A., Jordan, R., Mclean, E. H., Steane, D. A., Stock, W. D., & Vaillancourt, R. E. (2016). Climate adaptation and ecological restoration in eucalypts. Proceedings of the Royal Society of Victoria, 128(1), 40-53. https://doi.org/10.1071/RS16004