November 2017

The tendency of organisms to form high-density aggregations is a universal aspect of aquatic and terrestrial ecosystems. Euphausiid (krill) aggregations (pictured here a catch of Euphausia superba) are fundamental units of many marine ecosystems and influence the spatial structure of trophic interactions. A new study of krill aggregation dynamics, involving realistic ocean-ecosystem and behavioral models, sheds new light on predicting aggregation size, intensity and persistence.​ Photo by Jarrod Santora.

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