How Kauri dieback threatens forest carbon [NZ]

Friday 9 Oct 2026

 
New research from the University of Auckland highlights that kauri dieback impacts more than tree survival - it can also shift affected forests from carbon sinks into net carbon sources.

As the disease spreads and mature trees decline, living biomass is lost, slowing overall stand growth. When infected trees eventually die, the carbon they accumulated is no longer held in the forest's living vegetation. The study indicates that forests impacted by severe dieback may not regain their previous carbon capacity, instead stabilizing with less living biomass and a reduced ability to store carbon over time.

The authors emphasize that protecting mature kauri stands is critical to maintaining both the ecological functions and the long-term carbon stored within these forest ecosystems.

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Source: The Conversation


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