Web Ecology
Web Ecology
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Articles | Volume 25, issue 1
Articles | Volume 25, issue 1
https://doi.org/10.5194/we-25-121-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/we-25-121-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 25, issue 1
Standard article
 | 
28 May 2025
Standard article |  | 28 May 2025

Experimental warming and permafrost thaw decrease soil nematode abundance in northern palsa peatlands

Ruben Van Daele, Hanna Lee, Inge Althuizen, and Martijn L. Vandegehuchte

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Short summary

We studied the impact of climate change on nematodes in a palsa peatland in Norway. This ecosystem, crucial for carbon storage, is rapidly changing due to warming and permafrost thaw. We found that intact palsas host more nematode populations, but warming reduces their numbers, particularly bacterivores and omni-carnivores. Additionally, fungivores became more dominant over the summer. These changes may alter nutrient cycles, highlighting the need to study nematodes in fragile Arctic ecosystems.

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