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Article

Physical disturbance by recovering sea otter populations increases eelgrass genetic diversity.

Science (New York, N.Y.) - 15 Oct 2021

Foster Erin, Watson Jane, Lemay Matthew A, Tinker M Tim, Estes James A, Piercey Rebecca, Henson Lauren, Ritland Carol, Miscampbell Allyson, Nichol Linda, Hessing-Lewis Margot, Salomon Anne K, Darimont Chris T

Abstract excerpt

Most knowledge regarding the role of predators is ecological in nature. Here, we report how disturbance generated by sea otters (Enhydra lutris) digging for infaunal prey in eelgrass (Zostera marina) meadows increases genetic diversity by promoting conditions for sexual reproduction of plants. Eelgrass allelic richness and genotypic diversity were, respectively, 30 and 6% higher in areas where recovering sea...

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PMID: 34648338
DOI: 10.1126/science.abf2343

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-07.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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