Oceanography and community structure drive zooplankton carbon and nitrogen dynamics in the eastern Bering Sea

Hertz, E; Trudel, M; Carrasquilla-Henao, M; Eisner, L; Farley, EV; Moss, JH; Murphy, JM; Mazumder, A

doi:10.3354/meps12647

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The NOAA IR serves as an archival repository of NOAA-published products including scientific findings, journal articles, guidelines, recommendations, or other information authored or co-authored by NOAA or funded partners. As a repository, the NOAA IR retains documents in their original published format to ensure public access to scientific information.

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Oceanography and community structure drive zooplankton carbon and nitrogen dynamics in the eastern Bering Sea

2018
By Hertz, E ; Trudel, M ; Carrasquilla-Henao, M ; ...
Source: Marine Ecology Progress Series, 601, 97-108

[PDF-928.09 KB]

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Marine Ecology Progress Series
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Hertz, E ; Trudel, M ; Carrasquilla-Henao, M ; Eisner, L ; Farley, EV ; ... More +

Hertz, E ; Trudel, M ; Carrasquilla-Henao, M ; Eisner, L ; Farley, EV ; Moss, JH ; Murphy, JM ; Mazumder, A Less -
NOAA Program & Office:

NMFS (National Marine Fisheries Service) ; AFSC (Alaska Fisheries Science Center)

NMFS (National Marine Fisheries Service) ; AFSC (Alaska Fisheries Science Center) Less -
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Bottom-up changes in the abundance and composition of primary producers and primary consumers can cascade through ecosystems. Zooplankton stable isotopes (δ13C and δ15N) can be used to determine the linkages between these bottom-up processes, as nutrients, community composition, and physical oceanographic variables can influence zooplankton stable isotopes. However, the expression and variability in zooplankton stable isotopes remain poorly constrained and understood in many systems. Here, we explored how environmental and community variability influences zooplankton stable isotope ratios in the eastern Bering Sea across a wide range of ocean conditions. We tested whether there were interannual, spatial, or climate-driven shifts in the δ15N and δ13C of zooplankton. We found considerable variability across the eastern Bering Sea, with significant differences in isotopes among years, regions, and depths. These patterns were driven by differences in zooplankton community and physical oceanographic variables such as sea surface temperature. Effects were consistent across isotopes, and reflect the shared influences of oceanographic parameters and nutrients on δ13C and δ15N at the base of the food web.
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Marine Ecology Progress Series, 601, 97-108
DOI:

https://doi.org/10.3354/meps12647
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0171-8630;1616-1599;
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Inter-Research Science Center
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Journal Article
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urn:sha-512:894055f2c98559c1cf682fca996f39b381ca5ef91f722b0d13f7b2c023a134dc4a6b4a971d6e92614a75bc5dcd51e0df92cae3c157ba6ddac319eb807b3fd239
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Oceanography and community structure drive zooplankton carbon and nitrogen dynamics in the eastern Bering Sea

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