The Big Picture: As the Arctic rapidly warms, sea ice loss is reshaping marine ecosystems. Understanding these food webs is crucial for conservation and predicting future climate-driven changes.
The Study: Researchers analyzed stable isotopes in over 50 species of invertebrates, fish, and mammals in Eclipse Sound, Nunavut, from 2015 to 2019 to determine trophic interactions and food web structure.
The Discovery: The Eclipse Sound marine food web spans at least four trophic levels, with some species like narwhals occupying the highest positions.
The Takeaway: This study provides a crucial baseline for Arctic marine ecosystems, enabling future assessments of climate change impacts and informing conservation strategies in this vulnerable region.