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Experimental insights on effective eDNA/eRNA capture from seawater samples

An experimental study was conducted to test different filter membranes for capturing eDNA/eRNA in the context of cost/time effort and cell fractions encountered in nature. For the first time a formal efficiency modelling was applied in eDNA and eRNA research to assist decision-making around an optimized sampling approach.
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The journey of eDNA marine intruder to the classroom

In the last two years the Detect team worked towards integrating DNA (eDNA) tools into New Zealand schools’ curriculum. The scientists have actively engaged with a range of schools and year groups to showcase a variety of marine biosecurity concepts and detection tools, including eDNA technologies.
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Where do mussels like to call home?

To find out what features of the reef attract mussels, we dropped baby green-lipped mussels on several types of 3D printed tiles representing rocky reef structures in seawater tanks and saw where they went. This experiment will help us designing eco-engineered structures that would give this native species a competitive advantage over invasive species on artificial structures.
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Mapping nationwide movements of New Zealand’s recreational vessels

The MANAGE & RESPOND TEAM developed a web-based survey that uses interactive maps to capture the movement of recreational boats in New Zealand. The collected data will be used to create a network model of recreational vessel movements to understand places of particular importance for biosecurity pathway management and response.
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The increasing issue of coastal hardening and its associated socio-economic risks

We mapped coastal hardening associated with 30 international urban centres and, using machine-learning algorithms, developed a model to forecast the regional expansion of 4 globally common coastal infrastructure types. We applied this model to New Zealand for anticipating regional distributions and future hotspots of socioecological risks over a 25-year period.
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From North to South – scientists set sail for two collaborative expeditions

In 2021, the DETECT team had a big year on the water participating in two research expeditions, in two very distant and ecologically different areas of Aotearoa: Northland and Fiordland. These expeditions allowed us to collect valuable data on distribution of the high-profile non-indigenous species while testing our optimized molecular surveillance tools and protocols.
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