Implementing a Restoration Program for the Endangered White Abalone (Haliotis sorenseni) in California

Laura Rogers-Bennett, Kristin M. Aquilino, Cynthia A. Catton, Shelby K. Kawana, Benjamin J. Walker, Lauren W. Ashlock, Blythe C. Marshman, James D. Moore, Ian K. Taniguchi, Kirsten Vk Gilardi, Gary N. Cherr

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

A restoration program including wild population surveys, captive breeding, health monitoring, recovery site preparation, and recovery modeling has been implemented to restore white abalone (Haliotis sorenseni) populations in California. White abalone once supported a lucrative fishery and are now endangered, nearing extinction at less than 1% of baseline abundances. Recent deep water surveys indicate that populations continue to decline with no signs of recruitment, despite the closure of the fishery in 1996. Four sites with artificial reefs (n=12/site) in optimal white abalone habitat were established. No wild white abalone have been found at these sites. Captive abalone were spawned in the spring of each year from 2012 to 2015. Each year, the production of 1-y-old abalone has increased in the captive breeding program from approximately 20 in 2012, to 150 in 2013 and an estimated 2,000 in 2014. In 2015, the breeding program reached two milestones: (1) most successful spawning season to date and (2) the hatchery distributed 200 captive-reared abalone to 4 partner institutions within the White Abalone Recovery Consortium (WARC). The WARC is made up of federal and state agencies, universities, public aquaria, and aquaculture organizations, all committed to white abalone restoration. The next steps for the program include expanding the captive breeding program to increase production, monitoring abalone health and genetic diversity, and conducting stocking studies to enhance growth and survival in the ocean. The goal of the stocking program is to create a reproductive population in the wild to bring white abalone back from the brink of extinction.

Original languageEnglish (US)
Pages (from-to)611-618
Number of pages8
JournalJournal of Shellfish Research
Volume35
Issue number3
DOIs
StatePublished - Oct 1 2016

Fingerprint

Haliotis sorenseni
captive breeding
abalone
health monitoring
extinction
fishery
breeding
artificial reef
site preparation
aquarium
wild population
fisheries
hatchery
aquaculture
restoration
programme
artificial reefs
spawning
deep water
monitoring

Keywords

  • captive propagation
  • endangered species
  • marine conservation
  • partnership
  • recovery

ASJC Scopus subject areas

  • Aquatic Science

Cite this

Rogers-Bennett, L., Aquilino, K. M., Catton, C. A., Kawana, S. K., Walker, B. J., Ashlock, L. W., ... Cherr, G. N. (2016). Implementing a Restoration Program for the Endangered White Abalone (Haliotis sorenseni) in California. Journal of Shellfish Research, 35(3), 611-618. https://doi.org/10.2983/035.035.0306

Implementing a Restoration Program for the Endangered White Abalone (Haliotis sorenseni) in California. / Rogers-Bennett, Laura; Aquilino, Kristin M.; Catton, Cynthia A.; Kawana, Shelby K.; Walker, Benjamin J.; Ashlock, Lauren W.; Marshman, Blythe C.; Moore, James D.; Taniguchi, Ian K.; Gilardi, Kirsten Vk; Cherr, Gary N.

In: Journal of Shellfish Research, Vol. 35, No. 3, 01.10.2016, p. 611-618.

Research output: Contribution to journalArticle

Rogers-Bennett, L, Aquilino, KM, Catton, CA, Kawana, SK, Walker, BJ, Ashlock, LW, Marshman, BC, Moore, JD, Taniguchi, IK, Gilardi, KV & Cherr, GN 2016, 'Implementing a Restoration Program for the Endangered White Abalone (Haliotis sorenseni) in California', Journal of Shellfish Research, vol. 35, no. 3, pp. 611-618. https://doi.org/10.2983/035.035.0306
Rogers-Bennett L, Aquilino KM, Catton CA, Kawana SK, Walker BJ, Ashlock LW et al. Implementing a Restoration Program for the Endangered White Abalone (Haliotis sorenseni) in California. Journal of Shellfish Research. 2016 Oct 1;35(3):611-618. https://doi.org/10.2983/035.035.0306
Rogers-Bennett, Laura ; Aquilino, Kristin M. ; Catton, Cynthia A. ; Kawana, Shelby K. ; Walker, Benjamin J. ; Ashlock, Lauren W. ; Marshman, Blythe C. ; Moore, James D. ; Taniguchi, Ian K. ; Gilardi, Kirsten Vk ; Cherr, Gary N. / Implementing a Restoration Program for the Endangered White Abalone (Haliotis sorenseni) in California. In: Journal of Shellfish Research. 2016 ; Vol. 35, No. 3. pp. 611-618.
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