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Cairn Áö¿ªÀÇ °ü·ÃÀÌÇØ°ü°èÀÚµé°ú Çù·ÂÇÏ¿© James Cook ´ëÇб³¿¡ ÀÇÇØ ¼öÇàµÇ°í ÀÖ´Ù.
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Newtechtargetscrazyantinvaders
James Cook University researchers will use a high-tech, ground-breaking technique to try
to solve the expensive problem of yellow crazy ant (YCA) infestations.
JCU¡¯s Dr Cecilia Villacorta Rath and Dr Lori Lach will investigate using environmental
DNA(eDNA) techniques to track yellow crazy ant invasions in a three-year project, thanks
to funding from the Australian Government Department of Agriculture, Water and the
Environment.
Dr Villacorta Rath said invasive invertebrates are estimated to cost agricultural production
$4.7 billion annually, and up to $8 billion, considering all impacts and expenses.
¡°YCA colonies can reach such large population numbers that properties can become
unliveable, unprofitable and unsellable as ants invade. YCA also pose a threat to the
environment by removing biodiversity as they spread. The impact of the incursion of YCA
in Cairns alone will exceed $700 million over the next seven years if not controlled,¡±said
Dr Villacorta Rath.
She said current methods of invasive ant detection rely on trapping, detection dogs, or
sightings, and are labour-intensive, costly and highly reliant on weather conditions.
¡°The project will apply eDNA methods for YCA detection. This involves testing soil and
leaf samples for traces of the ants¡¯DNA.
¡°The samples can be collected with minimal training and sent to the lab. If successful, it
means we increase the sampling capacity by orders of magnitude,¡±said Dr Villacorta Rath.
She said the technique could potentially be applied to other pests such as red imported fire
ants and electric ants.
¡°JCUis currently conducting eDNAmonitoring of species of management concern, including
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