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Prioritising surveillance sites for exotic Caulerpa in Northland

Due to the recent exotic Caulerpa incursions along the coast of Northland, Northland Regional Council engaged scientists from the Marine Biosecurity Toolbox research programme to assist them with prioritizing locations for surveillance and readiness activities. The Manage&Respond team applied their prototype maritime pathway network model to predict critical risk locations.
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Harnessing passive sampling and DNA extraction innovations for eDNA-based surveillance

A recent study explored new methods for marine surveillance using eDNA. The researchers compared traditional filtration methods with passive sampling and self-contained DNA extraction. Passive sampling using materials like artificial sponges and fishing nets showed similar results to active filtration in detecting fish diversity. The study suggests that passive sampling is a promising approach for eDNA monitoring and contribute to improving non-invasive monitoring techniques for marine environments.
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