The influence of Pacific Equatorial Water on fish diversity in the southern California Current System

McClatchie, Sam; Thompson, Andrew R.; Alin, Simone R.; Siedlecki, Samantha; Watson, William; Bograd, Steven J.

doi:10.1002/2016jc011672

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The influence of Pacific Equatorial Water on fish diversity in the southern California Current System

2016
By McClatchie, Sam ; Thompson, Andrew R. ; Alin, Simone R. ; ...
Source: Journal of Geophysical Research: Oceans, 121(8), 6121-6136

[PDF-1.75 MB]

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Details:

Journal Title:

Journal of Geophysical Research: Oceans
Personal Author:

McClatchie, Sam ; Thompson, Andrew R. ; Alin, Simone R. ; Siedlecki, Samantha ; Watson, William ; ... More +

McClatchie, Sam ; Thompson, Andrew R. ; Alin, Simone R. ; Siedlecki, Samantha ; Watson, William ; Bograd, Steven J. Less -
NOAA Program & Office:

NMFS (National Marine Fisheries Service) ; OAR (Oceanic and Atmospheric Research) ; PMEL (Pacific Marine Environmental Laboratory) ; SWFSC (Southwest Fisheries Science Center)

NMFS (National Marine Fisheries Service) ; OAR (Oceanic and Atmospheric Research) ; PMEL (Pacific Marine Environmental Laboratory) ; SWFSC (Southwest Fisheries Science Center) Less -
Description:

The California Undercurrent transports Paciﬁc Equatorial Water (PEW) into the Southern California Bight from the eastern tropical Paciﬁc Ocean. PEW is characterized by higher temperatures and salinities, with lower pH, representing a source of potentially corrosive (aragonite, X<1) water to the region. We use ichthyoplankton assemblages near the cores of the California Current and the CaliforniaUndercurrent to determine whether PEW inﬂuenced ﬁsh diversity. We use hydrographic data to characterize the interannual and seasonal variability of estimated pH and aragonite saturation with depth. Although there is substantial variability in PEW presence as measured by spice on the 26.25–26.75 isopycnal layer, aswell as in pH and aragonite saturation, we found ﬁsh diversity to be stable over the decades 1985–1996 and 1999–2011. We detected signiﬁcant difference in species structure during the 1998 La Ni ~na period, due to
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Earth And Planetary Sciences (miscellaneous) Geochemistry And Petrology Geophysics Oceanography Space And Planetary Science
Source:

Journal of Geophysical Research: Oceans, 121(8), 6121-6136
DOI:

https://doi.org/10.1002/2016jc011672
ISSN:

2169-9275
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PDF
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American Geophysical Union (AGU)
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Journal Article
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urn:sha256:c01c82e567d0c0ba91f58534e4071265d8ae5775aabe5e08c03d6f50031cd3f8
Download URL:

https://repository.library.noaa.gov/view/noaa/54031/noaa_54031_DS1.pdf
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