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Published (Version of record)CC BY-NC-ND V4.0, Open Access
Published (Version of record)CC BY-NC-ND V4.0, Open
Journal article
The ‘canary of the estuary’, the contribution of Sydney rock oyster aquaculture to understanding and protecting Australian estuarine health
Marine and freshwater research, Vol.76(14), pp.1-18
09/09/2025
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Abstract
Context: The Sydney rock oyster (Saccostrea glomerata) is an iconic Australian native species of great commercial and ecological significance, that has been farmed in New South Wales for over 150 years.
Aim: To highlight the role of S. glomerata industry in safeguarding Australia’s estuaries.
Method: Literature review.
Key results: S. glomerata, more than any other species, has served to highlight emerging threats to estuaries, ranging from viral and bacterial contamination to chemical pollution, and climate change. Their use as biomonitors and in bioassays for pollutants (metals, PAHs, PFAS and pesticides) has been instrumental in identifying and quantifying potential threats. The oyster industry provides one of NSW’s largest and longest-running monitoring programs for estuarine environmental conditions. Currently, S. glomerata is at the forefront of remediation efforts, leading legislative change in environmental protection, and using ecoengineering, reef restoration and selective breeding programs to bolster oyster resilience.
Conclusions: Even though the community has long recognised the intrinsic link between oyster health and estuarine well-being and works with industry to advocate for estuarine ecosystem conservation and the species present, the contribution the industry makes is underestimated.
Implications: Amid debate over aquaculture expansion, greater consideration of the positives arising from culture activities is warranted.
Details
- Title
- The ‘canary of the estuary’, the contribution of Sydney rock oyster aquaculture to understanding and protecting Australian estuarine health
- Creators
- Michael C. Dove - DPIPSLaura M. Parker - DPIPSAnthony Zammit - DPIBFSHazel Farrell - DPIBFSPenelope Ajani - University of Technology SydneyShauna Murray - University of Technology SydneyKirsten Benkendorff - Southern Cross UniversityGeoff R. MacFarlane - The University of NewcastleWayne A. O’Connor - DPIPS
- Publication Details
- Marine and freshwater research, Vol.76(14), pp.1-18
- Publisher
- CSIRO Publishing
- Identifiers
- 991013314228402368
- Copyright
- © 2025 The Author(s) (or their employer(s)).
- Academic Unit
- Faculty of Science and Engineering; National Marine Science Centre; Science
- Language
- English
- Resource Type
- Journal article