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

01.23.24 | Oregon State University

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

Elementa Science of the Anthropocene

10.1525/elementa.2023.00050

Data/statistical analysis

Animals

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

18-Jan-2024

Additional Media

Pacific cod otolith
An otilith, or ear stone, from a Pacific cod. Image courtesy Jessica Miller, Oregon State University. Credit: Jessica Miller, Oregon State University

Keywords

Climate Change Effects Ecological Crises Ecological Dynamics Fisheries Management Heat Waves Marine Conservation Marine Ecology Marine Ecosystems Marine Fishes Marine Life Population Dynamics Population Ecology Wild Populations

Article Information

Journal
Elementa Science of the Anthropocene
DOI
10.1525/elementa.2023.00050
Method of Research
Data/statistical analysis
Subject of Research
Animals
Article Publication Date
2024-01-18
Article Title
Warmer, earlier, faster: Cumulative effects of Gulf of Alaska heatwaves on the early life history of Pacific cod

Contact Information

Michelle Klampe
Oregon State University
michelle.klampe@oregonstate.edu

Source

Original Source
https://beav.es/qKc

How to Cite This Article

APA:
Oregon State University. (2024, January 23). Marine heat waves trigger shift in hatch dates and early growth of Pacific cod. Brightsurf News. https://www.brightsurf.com/news/LDEYZ508/marine-heat-waves-trigger-shift-in-hatch-dates-and-early-growth-of-pacific-cod.html
MLA:
"Marine heat waves trigger shift in hatch dates and early growth of Pacific cod." Brightsurf News, Jan. 23 2024, https://www.brightsurf.com/news/LDEYZ508/marine-heat-waves-trigger-shift-in-hatch-dates-and-early-growth-of-pacific-cod.html.