Ocean acidification may contribute to recruitment failure of Bering Sea red king crab

Details

• Journal Title:
  Canadian Journal of Fisheries and Aquatic Sciences
• Personal Author:
  Litzow, Michael A. ; Long, W. Christopher ; Palof, Katie J. ; Pilcher, Darren J.
• NOAA Program & Office:
  NMFS (National Marine Fisheries Service) ; AFSC (Alaska Fisheries Science Center) ; CICOES (Cooperative Institute for Climate, Ocean and Ecosystem Studies)
• Description:
  We used semi-parametric Bayesian regression to determine whether ocean acidification or climate warming could explain declining productivity for southeast Bering Sea red king crab (Paralithodes camtchaticus). Negative effects of acidification explained ∼21% of recruitment variability over 1980–2023, and ∼45% since 2000. Ocean warming had a negligible effect in our analysis. Model-estimated annual mean bottom pH in the region has fallen from ∼8.03 in 1980 to ∼7.89 in 2023, approaching levels that reduce juvenile survival in laboratory studies. Improved model validation and better understanding of potential threshold effects on red king crab are needed to better understand the possible population-level acidification effect that we demonstrate.
• Source:
  Canadian Journal of Fisheries and Aquatic Sciences, 82, 1-7
• DOI:
  https://doi.org/10.1139/cjfas-2024-0173
• ISSN:
  0706-652X ; 1205-7533
• Format:
  PDF
• Publisher:
  Canadian Science Publishing
• Document Type:
  Journal Article
• License:
  https://creativecommons.org/licenses/by/4.0/
• Rights Information:
  CC BY
• Compliance:
  Submitted
• Main Document Checksum:
  urn:sha-512:0292a3e185688ba53f86c72f950b6fb2eff98091f1fa2faa17fb714350f46b343b12335617cd976d8ae2d750e0c9b7977f81e51d42d6983e12769451f2f148d7
• Download URL:
  https://repository.library.noaa.gov/view/noaa/70110/noaa_70110_DS1.pdf
• File Type:
  [PDF - 1020.33 KB ]