Jill Bourque, a biologist with the U.S. Geological Survey, and graduate student Ev Coit process sediment cores collected using human occupied vehicle Alvin while exploring off Koniuji Island during the 2025 Aleutian Arc expedition.
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Processing Sediment Cores
Jill Bourque, a biologist with the U.S. Geological Survey, and graduate student Ev Coit process sediment cores collected using human occupied vehicle Alvin while exploring off Koniuji Island during the 2025 Aleutian Arc expedition. The cores tell the story of the sediment that is accumulating around the island and the animals that call it home.
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Credit

Aleutian Arc: Integrated Exploration of Biodiversity at Priority Benthic Habitats (USGS/BOEM/NOAA/ONR).

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Related Expedition
The Aleutian Arc: Integrated Exploration of Biodiversity at Priority Benthic Habitats