Understanding the ecology of Dorvilleid Polychaetes in Macquarie Harbour

Project No: FRDC 2014/038

Farming salmon in Macquarie Harbour has highlighted a number of challenges over the years. The purpose of this project was to better understand the response of the environment to salmon farming by exploring the response of an environmental indicator (Dorvilleid polychaetes) to farming in the harbour.

In the first part of the study, the international literature was reviewed to establish the current state of understanding regarding Dorvilleid ecology, and in particular, how they respond to organic enrichment. The second part of the study comprised a targeted field survey at selected leases to identify the relationship between Dorvilleids and sediment condition, and to characterise the environmental conditions associated with major changes in Dorvilleid distribution and abundance. The results were compared with previous surveys (including baseline surveys undertaken throughout the harbour) to investigate whether there have been any broad scale changes in the benthic ecology.

The findings are discussed in the context of benthic monitoring requirements for fish farm management in Macquarie Harbour within the project report: Understanding the ecology of Dorvilleid polychaetes in Macquarie Harbour.

Project Status
Completed
2016

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Acknowledgment of Country
We acknowledge the palawa/pakana and Gadigal/Wangal people, the traditional custodians of the land and sea upon which we live and work, and their enduring cultures and knowledge of our oceans and coasts.

We recognise that decisions and practices affecting the future of Indigenous education and research are vital to the self-determination, wellbeing and livelihood of Aboriginal and Torres Strait Islander people, and to shaping the Australian society in which we live.
Copyright 2022 Institute for Marine and Antartic Studies.
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