Trait-based indicators of resource selection by albacore tuna in the California Current Large Marine Ecosystem

Gleiber, Miram R.; Hardy, Natasha A.; Morganson, Caitlin J.; Nickels, Catherine F.; Muhling, Barbara A.; Portner, Elan J.; Wells, Brian K.; Brodeur, Richard D.; Auth, Toby D.; Santora, Jarrod A.; Glaser, Sarah M.; Madigan, Daniel J.; Hazen, Elliott L.; Crowder, Larry B.; Green, Stephanie J.

doi:10.1016/j.ecolind.2023.111473

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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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Trait-based indicators of resource selection by albacore tuna in the California Current Large Marine Ecosystem

2024
By Gleiber, Miram R. ; Hardy, Natasha A. ; Morganson, Caitlin J. ; ...
Source: Ecological Indicators, 158, 111473

[PDF-3.79 MB]

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Journal Title:

Ecological Indicators
Personal Author:

Gleiber, Miram R. ; Hardy, Natasha A. ; Morganson, Caitlin J. ; Nickels, Catherine F. ; Muhling, Barbara A. ; ... More +

Gleiber, Miram R. ; Hardy, Natasha A. ; Morganson, Caitlin J. ; Nickels, Catherine F. ; Muhling, Barbara A. ; Portner, Elan J. ; Wells, Brian K. ; Brodeur, Richard D. ; Auth, Toby D. ; Santora, Jarrod A. ; Glaser, Sarah M. ; Madigan, Daniel J. ; Hazen, Elliott L. ; Crowder, Larry B. ; Green, Stephanie J. Less -
NOAA Program & Office:

NMFS (National Marine Fisheries Service) ; SWFSC (Southwest Fisheries Science Center) ; NWFSC (Northwest Fisheries Science Center)

NMFS (National Marine Fisheries Service) ; SWFSC (Southwest Fisheries Science Center) ; NWFSC (Northwest Fisheries Science Center) Less -
Description:

As global climate change reorganizes marine ecosystems, understanding how predators will respond to variable prey resources is critical to forecasting future community dynamics. Prey traits that affect the foraging process and recur across unrelated taxa offer a means to better anticipate predator resource use by simplifying complex foraging dynamics. Here we compare taxonomic and trait-based indicators of resource use and selection for albacore tuna (Thunnus alalunga), a commercially valuable pelagic predator undergoing climate-driven range shifts. We synthesized datasets from 2005 to 2019 to evaluate diets of albacore tuna in relation to prey availability estimates from shipboard surveys in the California Current Large Marine Ecosystem. Analyses with these data reveal that albacore and trawl surveys sample different aspects of the pelagic system, with albacore consuming a subset of taxa identified within trawls. Albacore consistently selected coastal prey that are schooling, undefended, silvered and countershaded, and have high energy density — suggesting that ecological mechanisms driving albacore foraging outcomes may be conserved across time and space. Ecological traits mediating predator-prey interactions consistently distinguished albacore diets from assemblages sampled by trawls across years and regions. We demonstrate that a traits-based approach simplifies taxonomically diverse predator-prey interactions and may be a valuable tool to facilitate predictions of prey resource use in changing environments.
Keywords:

[+]

Ecology Ecology, Evolution, Behavior And Systematics General Decision Sciences
Source:

Ecological Indicators, 158, 111473
DOI:

https://doi.org/10.1016/j.ecolind.2023.111473
ISSN:

1470-160X
Format:

PDF
Publisher:

Elsevier BV
Document Type:

Journal Article
License:

https://creativecommons.org/licenses/by/4.0/
Rights Information:

CC BY
Compliance:

Submitted
Main Document Checksum:

[+]

urn:sha256:caddddeb244986847f190e01133e3dd23bb01a261f18261b77e9f327215c7343
Download URL:

https://repository.library.noaa.gov/view/noaa/60629/noaa_60629_DS1.pdf
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Trait-based indicators of resource selection by albacore tuna in the California Current Large Marine Ecosystem

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