Under the Lens: Kauri Dieback, Where Biodiversity Intersects with Biosecurity

Kauri dieback, caused by the pathogen Phytophthora agathidicida, has reshaped how Aotearoa New Zealand understands risk, responsibility, and care for the natural world. This episode unpacks the biology of the pathogen, the cultural significance of kauri, and the long journey from confusion to coordinated response.

Our hosts revisit the early days when dead and dying kauri began raising alarms, the rapid surge in concern from communities, and the urgent scramble to understand a pathogen unlike anything researchers had dealt with before. They explore how soil, water, animals, and people move the disease, why early management had to adapt quickly, and how molecular tools reshaped what we know about this organism.

We also look at the important contributions of iwi, community groups, scientists, landowners, and volunteers who stepped into leadership roles during a time of uncertainty. The episode highlights both the complexity of the challenge and the resilience of those determined to keep kauri standing.

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