eDNA Helps to Uncover Wildlife Secrets!
In a vibrant fusion of community spirit and high-tech science, the Central Tablelands Regional Landcare Network has joined forces with the Odonata Foundation to embark on a thrilling expedition—the Great Australian Wildlife Search! Armed with cutting-edge environmental DNA (eDNA) technology, and backed by the generous support of the Murray–Darling Basin Authority, our teams are sampling the watery depths of creeks, streams, and rivers across 18 dynamic sites.
What is eDNA, you ask? Imagine every creature, from the majestic Murray cod to the humble eastern mosquitofish, leaving behind tiny bits of themselves—like a biological breadcrumb trail. These traces, found in things like skin cells and other excreta, don't just disappear. Instead, they mingle in the waters, waiting for our scientists to scoop them up and decode the secrets they hold. This isn't just fishing for fish; it's fishing for data!
The results? They're as splashy as they are insightful. Our findings have painted a detailed and colourful picture of the local wildlife. At the Lachlan River in Cowra, the European carp, a known invader, is throwing its weight around with whopping sequence counts. Meanwhile, the Mountain Galaxias, a native darling, is holding its ground, proving resilience isn't just a human trait.
Over at the Belubula River in Mandurama, the diversity dial is turned up to eleven. From the Rainbow trout to the Sulphur-crested cockatoo, it's a veritable wildlife party. And let's not forget the Eastern grey kangaroo, hopping into our dataset with the enthusiasm of a local joining a bush dance.
Among the many fascinating finds of the Great Australian Wildlife Search, the detection of the platypus (Ornithorhynchus anatinus) stands out as particularly exciting. This shy and enigmatic creature, often emblematic of Australia's unique biodiversity, proves to be an intriguing subject of our eDNA research. Samples collected from the Macquarie River in Bathurst and Cudgegong River in Munna confirmed their presence, reminding us of the critical need to protect these ecosystems.
This project is more than just a scientific endeavour; it's a community triumph. Local Landcare volunteers, equipped with sampling kits funded by the Murray–Darling Basin Authority, are the true champions of this story. Their dedication not only sheds light on our region's ecological narratives but also contributes to the broader tapestry of Australia's rich biodiversity.
So, as we continue to sift through the secrets of the Central Tablelands' waterways, stay tuned. The Great Australian Wildlife Search is more than just a tale of discovery—it's a celebration of nature, community, and the incredible stories that unfold when the two come together. Join us on this wild ride, where every water sample tells a story and every creature, big or small, leaves a mark on our understanding of this spectacular land!
Collecting samples
The testing kits