Segmental isotope analysis of the vertebral centrum reveals the spatiotemporal population structure of adult Japanese flounder Paralichthys olivaceus in Sendai Bay, Japan

Kato, Yoshikazu; Togashi, Hiroyuki; Kurita, Yutaka; Osada, Yoshihito; Amano, Yosuke; Yoshimizu, Chikage; Kamauchi, Hiromitsu; Tayasu, Ichiro

doi:10.1007/s00227-021-03868-1

Cited by 7 publications

(7 citation statements)

References 73 publications

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“…The TDF value from analysis of the difference between Glu and Phe throughout the food web is lower in this study than the most often applied canonical value (4.9 compared to 7.6 ) (Chikaraishi et al, 2009); as has been previously observed in multiple studies (McMahon and McCarthy, 2016;Hebert et al, 2016;Lemons et al, 2020;Nuche-Pascual et al, 2021). The lower TDF value reflects an ecosystem-wide application to species ranging from macroalgae to teleosts, and represents a compromise between the use of a single canonical TDF (Chikaraishi et al, 2009;Kato et al, 2021;Vokhshoori et al, 2021), application of multiple species-specific TDFs as determined by feeding studies (28×, 1 per species) or feeding group-dependent strategies based on the relative diet vs. tissue quality comparisons (McMahon et al, 2015b;McMahon and McCarthy, 2016;Bode et al, 2021;Le-Alvarado et al, 2021). Using wild caught animals across an entire ecosystem to derive a system-wide TDF, we relied on measured variations in the difference between Glu and Phe between individuals in each species sampling to estimate the TDF value that was then applied to estimate the trophic structure within the ecosystem.…”

Section: Trophic Discrimination Factor and Ecosystem Baseline Using A...supporting

confidence: 44%

Compound-specific stable isotope analysis of amino acid nitrogen reveals detrital support of microphytobenthos in the Dutch Wadden Sea benthic food web

et al. 2022

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The Wadden Sea is the world’s largest intertidal ecosystem and provides vital food resources for a large number of migratory bird and fish species during seasonal stopovers. Previous work using bulk stable isotope analysis of carbon found that microphytobenthos (MPB) was the dominant resource fueling the food web with particulate organic matter making up the remainder. However, this work was unable to account for the trophic structure of the food web or the considerable increase in δ15N values of bulk tissue throughout the benthic food web occurring in the Eastern regions of the Dutch Wadden Sea. Here, we combine compound-specific and bulk analytical stable isotope techniques to further resolve the trophic structure and resource use throughout the benthic food web in the Wadden Sea. Analysis of δ15N for trophic and source amino acids allowed for better identification of trophic relationships due to the integration of underlying variation in the nitrogen resources supporting the food web. Baseline-integrated trophic position estimates using glutamic acid (Glu) and phenylalanine (Phe) allow for disentanglement of baseline variations in underlying δ15N sources supporting the ecosystem and trophic shifts resulting from changes in ecological relationships. Through this application, we further confirmed the dominant ecosystem support by MPB-derived resources, although to a lesser extent than previously estimated. In addition to phytoplankton-derived particulate, organic matter and MPB supported from nutrients from the overlying water column there appears to be an additional resource supporting the benthic community. From the stable isotope mixing models, a subset of species appears to focus on MPB supported off recycled (porewater) N and/or detrital organic matter mainly driven by increased phenylalanine δ15N values. This additional resource within MPB may play a role in subsidizing the exceptional benthic productivity observed within the Wadden Sea ecosystem and reflect division in MPB support along green (herbivory) and brown (recycled/detrital) food web pathways.

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Section: Trophic Discrimination Factor and Ecosystem Baseline Using A...supporting

confidence: 44%

Compound-specific stable isotope analysis of amino acid nitrogen reveals detrital support of microphytobenthos in the Dutch Wadden Sea benthic food web

et al. 2022

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“…Therefore, the authors propose, using their age 5 specimen, that a maximum of 4 years of life‐history signatures may be retained, whereas early‐life signatures are lost due to resorption during bone growth. In support, the degree of significant variation they observed across vertebral centra ( e.g ., in δ 13 C) was similar to those published across multiple annuli in the otoliths and fin‐spines of tunas (Fraile et al ., 2016; Luque et al ., 2020), and indeed the recent but few serial‐section isotope studies corroborate a theory of >3 year isotopic retention in teleost vertebrae (Kato et al ., 2021; Matsubayashi et al ., 2017, 2019, 2020). In addition to these studies, the authors show that significant isotopic variation can be observed across archaeological and modern vertebral centra of a highly mobile species inhabiting a wider range of marine habitats than those previously studied in this fashion.…”

Section: Discussionmentioning

confidence: 99%

“…and Clupeidae spp. from a confined Pacific locality (Kato et al ., 2021; Matsubayashi et al ., 2017, 2019, 2020), reporting variability of c . 1–5‰ in δ 13 C, δ 15 N and δ 34 S across growth axes of adult fishes, suggesting that juvenile signatures can be fully or partially retained into adulthood.…”

Section: Introductionmentioning

confidence: 99%

Isotopic life‐history signatures are retained in modern and ancient Atlantic bluefin tuna vertebrae

Andrews

Orton

Onar

et al. 2023

Journal of Fish Biology

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Isotopic, tagging and diet studies of modern-day teleosts lacked the ability to contextualise life-history and trophic dynamics with a historical perspective, when exploitation rates were lower and climatic conditions differed. Isotopic analysis of vertebrae, the most plentiful hard-part in archaeological and museum collections, can potentially fill this data-gap. Chemical signatures of habitat and diet use during growth are retained by vertebrae during bone formation. Nonetheless, to fulfil their potential to reveal life-history and trophic dynamics, we need a better understanding of the time frame recorded by vertebrae, currently lacking due to a poor understanding of fish bone remodelling. To address this issue, the authors serially-sectioned four vertebral centra of the highly migratory Atlantic bluefin tuna (Thunnus thynnus; BFT) captured off Sardinia (Italy) and analysed their isotopic composition. They show how carbon (δ 13 C), nitrogen (δ 15 N) and sulphur (δ 34 S) isotope values can vary significantly across BFT vertebrae growth-axes, revealing patterning in dietary life histories. Further, they find that similar patterns are revealed through incremental isotopic analysis of inner and outer vertebrae centra samples from 13 archaeological BFT vertebrae dating between the 9th and13th centuries CE. The results indicate that multi-year foraging signatures are retained in vertebrae and allow for the study of life histories in both modern and paleo-environments. These novel methods can be extended across teleost taxa owing to their potential to inform management and conservation on how teleost trophic dynamics change over time and what their long-term environmental, ecological and anthropological drivers are.fish bone turnover, historical ecology, life histories of fishes, serial sectioning, stable isotope analysis | INTRODUCTIONRetrospective ecological studies are increasingly analysing the stable isotopic composition of teleost vertebrae due to the predominance of these bones in the archaeological records and potential to reveal how trophic dynamics respond to environmental, ecological and cultural shifts (Barrett et al., 2011;Ólafsd ottir et al., 2017). Nonetheless, little is known about how tissue turnover influences

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“…7‰ Bradley, et al 2015). The resulting system wide TDF represents a compromise that falls between two most often applied approaches for assessing trophic levels 1) using a universally applied canonical TDF (Chikaraishi, et al 2009, Kato, et al 2021, Vokhshoori, et al 2021) and 2) using individual TDFs from either each species or feeding groups from values obtained from controlled feeding studies of similar species (McMahon and McCarthy 2016, Bode, et al 2021, Le-Alvarado, et al 2021. Application of a system-specific TDF was possible here due to the relatively large number of replicates for each species examined and having a large number of species for which no controlled feeding studies have been performed using amino acids (e.g.…”

Section: Discussionmentioning

confidence: 99%

“…To this end, we combined trophic position estimates of teleosts from FishBase (Froese and Pauly 2000), literature values for trophic position of invertebrate species (Christianen, et al 2015) and measured δ 15 N Glu-Phe values for primary producers to ensure representation across the food web and found a TDF that is broadly comparable to one developed using solely marine teleosts (5.7‰ Bradley, et al 2015). The resulting system wide TDF represents a compromise that falls between two most often applied approaches for assessing trophic levels 1) using a universally applied canonical TDF (Chikaraishi, et al 2009, Kato, et al 2021, Vokhshoori, et al 2021) and 2) using individual TDFs from either each species or feeding groups from values obtained from controlled feeding studies of similar species (McMahon and McCarthy 2016, Bode, et al 2021, Le-Alvarado, et al 2021). Application of a system-specific TDF was possible here due to the relatively large number of replicates for each species examined and having a large number of species for which no controlled feeding studies have been performed using amino acids (e.g.…”

Section: Discussionmentioning

confidence: 99%

Compound specific stable isotope analysis of amino acid nitrogen reveals detrital support of microphytobenthos in the Dutch Wadden Sea benthic food web

Riekenberg

Heide

Holthhuijsen

et al. 2022

Preprint

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The Wadden Sea is the world's largest intertidal ecosystem and provides vital food resources for a large number of migratory bird and fish species during seasonal stopovers. Previous work using bulk stable isotope analysis of carbon found that microphytobenthos was the dominant resource use fueling the food web with particulate organic matter making up the remainder. However, this work was unable to account for the trophic structure of the food web or the considerable increase in δ15N values of bulk tissue throughout the benthic food web occurring in the Eastern regions of the Dutch Wadden Sea. Here, we combine compound specific and bulk analytical stable isotope techniques to further resolve the trophic structure and resource use throughout the benthic food web in the Wadden Sea. Analysis of δ15N for trophic and source amino acids allowed for better identification of trophic relationships due to the integration of underlying variation in the nitrogen resources supporting the food web. Baseline integrated trophic position estimates using glutamic acid (Glu) and phenylalanine (Phe) allow for disentanglement of baseline variations in underlying δ15N sources supporting the ecosystem and trophic shifts resulting from changes in ecological relationships. Through this application we further confirmed dominant ecosystem support by microphytobenthos derived resources, although to a lesser extent than previously estimated. In addition to phytoplankton derived particulate organic matter and microphytobenthos supported from nutrients from the overlying water column there appears to be an additional resource supporting the benthic community. From the stable isotope mixing models, a subset of species appears to focus on microphytobenthos supported off recycled (porewater) N and/or detrital organic matter mainly driven by increased phenylalanine δ15N values. This additional resource within microphytobenthos may play a role in subsidizing the exceptional benthic productivity observed within the Wadden Sea ecosystem and reflect division in microphytobenthos support along green (herbivory) and brown (recycled/detrital) food web pathways.

show abstract

Segmental isotope analysis of the vertebral centrum reveals the spatiotemporal population structure of adult Japanese flounder Paralichthys olivaceus in Sendai Bay, Japan

Cited by 7 publications

References 73 publications

Compound-specific stable isotope analysis of amino acid nitrogen reveals detrital support of microphytobenthos in the Dutch Wadden Sea benthic food web

Compound-specific stable isotope analysis of amino acid nitrogen reveals detrital support of microphytobenthos in the Dutch Wadden Sea benthic food web

Isotopic life‐history signatures are retained in modern and ancient Atlantic bluefin tuna vertebrae

Compound specific stable isotope analysis of amino acid nitrogen reveals detrital support of microphytobenthos in the Dutch Wadden Sea benthic food web

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