Home Local News Parramatta to improve its local biodiversity with new eDNA survey

Parramatta to improve its local biodiversity with new eDNA survey


Hundreds of species could be identified as Parramatta becomes one of the first NSW councils to use new Environmental DNA (eDNA) testing as part of its biological survey of waterways to improve its local biodiversity.

All animals and plants shed fragments of their DNA into the environment, which is then washed into creeks and rivers. This new technique takes a forensic investigative approach to analysing the DNA samples and cross-matching them to a database.

City of Parramatta Lord Mayor Cr Pierre Esber said this study will serve as a baseline snapshot to improve the biological health of our waterways.

“This survey will paint a clearer picture of the biological health of our creeks and rivers. We could identify the presence of endangered species and take actions to protect them,” Cr Esber said.

“On the other hand, there is potential to identify invasive species and allow for management programs to keep these plants and animals at bay.

“Our river environment and water quality are important to our community. This survey will guide current and future water management programs so we can take appropriate steps for future projects.”

Specialist consultants, Stantec have been engaged to undertake the survey with sampling taking place in April and October this year.

The biological survey will study 20 sites within the Parramatta Local Government Area with results to be compared with similar surveys carried out in 2010 and 2018 through traditional methods.

For more information on the 2024 Biological Survey of Waterways, visit Council’s website.

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