2010
DOI: 10.1016/j.pocean.2010.04.017
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Horizontal movements, vertical-habitat utilization and diet of the jumbo squid (Dosidicus gigas) in the Pacific Ocean off Baja California Sur, Mexico

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Cited by 64 publications
(43 citation statements)
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“…Previous studies have indicated that D. gigas spends considerable time at cold, hypoxic depths, both in the Gulf of California (Gilly et al, 2006) and in the Pacific Ocean (Bazzino et al, 2010;Zeidberg and Robison, 2007). This paper provides an expanded and refined assessment of this feature by exploring squid swimming behavior in the Guaymas Basin of the Gulf of California in locations that are characterized by large seasonal differences in surface temperature and depth of the upper boundary of the OMZ.…”
Section: Discussionmentioning
confidence: 98%
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“…Previous studies have indicated that D. gigas spends considerable time at cold, hypoxic depths, both in the Gulf of California (Gilly et al, 2006) and in the Pacific Ocean (Bazzino et al, 2010;Zeidberg and Robison, 2007). This paper provides an expanded and refined assessment of this feature by exploring squid swimming behavior in the Guaymas Basin of the Gulf of California in locations that are characterized by large seasonal differences in surface temperature and depth of the upper boundary of the OMZ.…”
Section: Discussionmentioning
confidence: 98%
“…Thus, D. gigas is potentially exposed to prey on a constant basis and may therefore be able to forage during both the day and the night. Although D. gigas can greatly reduce its resting metabolic rate in response to a cold, hypoxic challenge (Gilly et al, 2006;Rosa and Seibel, 2008;Rosa and Seibel, 2010), a previous tagging study did not detect any reduction in vertical velocities during daytime hours that were spent at very low oxygen (Bazzino et al, 2010). Effects of hypoxia on the metabolic rate of D. gigas during active swimming are not known, but presumably highly aerobic activity such as high-velocity jetting would be significantly impaired in the OMZ.…”
Section: Introductionmentioning
confidence: 89%
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“…Changes in the ions, pH, and organic or inorganic components are related to individual metabolism, diel activity patterns and environmental conditions (Pauly 1998, Bettencourt & Guerra 2000. For D. gigas in the Gulf of California, the vertical and horizontal movements (Gilly et al 2006, Bazzino et al 2010, Hoving et al 2013, Rosa et al 2013) and largescale migrations in and out of the Gulf are caused by environmental changes such as El Niño and La Niña events (Morales-Bojórquez et al 2001a, Rosa et al 2013. These could affect the deposition process of statoliths and the daily formation of the growth rings.…”
Section: Discussionmentioning
confidence: 99%