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Contrasting patterns of population connectivity between regions in a commercially important mollusc Haliotis rubra: integrating population genetics, genomics and marine LiDAR data

Miller, A. D., van Rooyen, A., Rašić, G., Ierodiaconou, D., Gorfine, H. K., Day, R., Wong, C., Hoffmann, A. A. and Weeks, A. R. 2016, Contrasting patterns of population connectivity between regions in a commercially important mollusc Haliotis rubra: integrating population genetics, genomics and marine LiDAR data, Molecular ecology, vol. 25, no. 16, pp. 3845-3864, doi: 10.1111/mec.13734.

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Title Contrasting patterns of population connectivity between regions in a commercially important mollusc Haliotis rubra: integrating population genetics, genomics and marine LiDAR data
Formatted title Contrasting patterns of population connectivity between regions in a commercially important mollusc Haliotis rubra: integrating population genetics, genomics and marine LiDAR data
Author(s) Miller, A. D.ORCID iD for Miller, A. D. orcid.org/0000-0002-1632-7206
van Rooyen, A.
Rašić, G.
Ierodiaconou, D.ORCID iD for Ierodiaconou, D. orcid.org/0000-0002-7832-4801
Gorfine, H. K.
Day, R.
Wong, C.
Hoffmann, A. A.
Weeks, A. R.
Journal name Molecular ecology
Volume number 25
Issue number 16
Start page 3845
End page 3864
Total pages 20
Publisher Wiley-Blackwell
Place of publication Chichester, Eng.
Publication date 2016-08
ISSN 1365-294X
Keyword(s) LIDAR
abalone
connectivity
fisheries management
population genetics and genomics
Summary Estimating contemporary genetic structure and population connectivity in marine species is challenging, often compromised by genetic markers that lack adequate sensitivity, and unstructured sampling regimes. We show how these limitations can be overcome via the integration of modern genotyping methods and sampling designs guided by LIDAR and SONAR datasets. Here we explore patterns of gene flow and local genetic structure in a commercially harvested abalone species (Haliotis rubra) from South Eastern Australia, where the viability of fishing stocks is believed to be dictated by recruitment from local sources. Using a panel of microsatellite and genome-wide SNP markers we compare allele frequencies across a replicated hierarchical sampling area guided by bathymetric LIDAR imagery. Results indicate high levels of gene flow and no significant genetic structure within or between benthic reef habitats across 1400 km of coastline. These findings differ to those reported for other regions of the fishery indicating that larval supply is likely to be spatially variable, with implications for management and long-term recovery from stock depletion. The study highlights the utility of suitably designed genetic markers and spatially informed sampling strategies for gaining insights into recruitment patterns in benthic marine species, assisting in conservation planning and sustainable management of fisheries.
Language eng
DOI 10.1111/mec.13734
Field of Research 060205 Marine and Estuarine Ecology (incl Marine Ichthyology)
050102 Ecosystem Function
060408 Genomics
Socio Economic Objective 970105 Expanding Knowledge in the Environmental Sciences
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2016, John Wiley & Sons
Free to Read? Yes
Free to Read Start Date 2017-09-01
Persistent URL http://hdl.handle.net/10536/DRO/DU:30085125

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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.