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Consistent community genetic effects in the context of strong environmental and temporal variation in Eucalyptus

Citation

Gosney, BJ and Potts, BM and Forster, LG and Whiteley, C and O'Reilly-Wapstra, JM, Consistent community genetic effects in the context of strong environmental and temporal variation in Eucalyptus, Oecologia, 195, (2) pp. 367-382. ISSN 0029-8549 (2021) [Refereed Article]

Copyright Statement

© The Author(s), under exclusive licence to Springer-Verlag GmbH, DE part of Springer Nature 2021

DOI: doi:10.1007/s00442-020-04835-1

Abstract

Provenance translocations of tree species are promoted in forestry, conservation, and restoration in response to global climate change. While this option is driven by adaptive considerations, less is known of the effects translocations can have on dependent communities. We investigated the relative importance and consistency of extended genetic effects in Eucalyptus using two species - E. globulus and E. pauciflora. In E. globulus, the dependent arthropod and pathogen canopy communities were quantified based on the abundance of 49 symptoms from 722 progeny from 13 geographic sub-races across 2 common gardens. For E. pauciflora, 6 symptoms were quantified over 2 years from 238 progeny from 16 provenances across 2 common gardens. Genetic effects significantly influenced communities in both species. However, site and year effects outweighed genetic effects with site explaining approximately 3 times the variation in community traits in E. globulus and site and year explaining approximately 6 times the variation in E. pauciflora. While the genetic effect interaction terms were significant in some community traits, broad trends in community traits associated with variation in home-site latitude for E. globulus and home-site altitude for E. pauciflora were evident. These broad-scale trends were consistent with patterns of adaptive differentiation within each species, suggesting there may be extended consequences of local adaptation. While small in comparison to site and year, the consistency of genetic effects highlights the importance of provenance choice in tree species, such as Eucalyptus, as adaptive divergence among provenances may have significant long-term effects on biotic communities.

Item Details

Item Type:Refereed Article
Keywords:community genetics, extended genetic efects, genetic variation, plant–herbivore interactions
Research Division:Agricultural, Veterinary and Food Sciences
Research Group:Forestry sciences
Research Field:Forest ecosystems
Objective Division:Environmental Management
Objective Group:Terrestrial systems and management
Objective Field:Terrestrial biodiversity
UTAS Author:Gosney, BJ (Mr Ben Gosney)
UTAS Author:Potts, BM (Professor Brad Potts)
UTAS Author:Forster, LG (Ms Lynne Forster)
UTAS Author:Whiteley, C (Ms Carmen Whiteley)
UTAS Author:O'Reilly-Wapstra, JM (Associate Professor Julianne O'Reilly-Wapstra)
ID Code:143963
Year Published:2021
Funding Support:Australian Research Council (DP0773686)
Deposited By:Office of the School of Natural Sciences
Deposited On:2021-04-12
Last Modified:2021-06-02
Downloads:0

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