Biodiversity changes in Arctic coastal ecosystems under borealization

This study combines three decades of abundance data across multiple animal groups and regions in the European Arctic and Greenland to assess biodiversity change in Arctic coastal communities. The results support widespread borealization, with Arctic endemic species generally declining while boreal species increase, alongside an average rise in biodiversity that may nevertheless mask uncertain long-term consequences for Arctic ecosystem functioning and services.

Productivity of mixed kelp communities in an Arctic fjord exhibit tolerance to a future climate

This study evaluates how mixed kelp communities in an Arctic fjord respond to combined future stressors associated with climate change, including warming, freshening, and reduced light. Using a two-month mesocosm experiment, it shows that summer net productivity remains comparatively tolerant across treatment conditions, while light availability exerts the strongest control on net community production.