Marine heat waves trigger shift in hatch dates and early growth of Pacific cod

Peer-Reviewed Publication

OREGON STATE UNIVERSITY

 

IMAGE: 

AN OTILITH, OR EAR STONE, FROM A PACIFIC COD. IMAGE COURTESY JESSICA MILLER, OREGON STATE UNIVERSITY. 

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CREDIT: JESSICA MILLER, OREGON STATE UNIVERSITY

Marine heat waves appear to trigger earlier reproduction, high mortality in early life stages and fewer surviving juvenile Pacific cod in the Gulf of Alaska, a new study shows. These changes in the hatch cycle and early growth patterns persisted in years following the marine heat waves, which could have implications for the future of Gulf of Alaska Pacific cod, an economically and culturally significant species,

 

 

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JOURNAL

Elementa Science of the Anthropocene

DOI

10.1525/elementa.2023.00050 

METHOD OF RESEARCH

Data/statistical analysis

SUBJECT OF RESEARCH

Animals

ARTICLE TITLE

Warmer, earlier, faster: Cumulative effects of Gulf of Alaska heatwaves on the early life history of Pacific cod

Growth rings of an otilith, or ear stone, from a Pacific cod.

CREDIT

Jessica Miller, Oregon State University.