Late Quaternary ostracode stratigraphy of Mono Lake (California, USA): evidence for benthic ecosystem sensitivity to climate change

B. A.I.L.E.E.N. Hodelka; M. I.C.H.A.E.L.M. Mcglue; M. A.N.U.E.L.R. Palacios-Fest; A. D.A.M.J. Benfield; S. A.R.A.H.J. Ivory; S. C.O.T.T.W. Starratt; S. U.S.A.N.R.H. Zimmerman

doi:10.1002/jqs.3607

Late Quaternary ostracode stratigraphy of Mono Lake (California, USA): evidence for benthic ecosystem sensitivity to climate change

B. A.I.L.E.E.N. Hodelka
, M. I.C.H.A.E.L.M. Mcglue
, M. A.N.U.E.L.R. Palacios-Fest
, A. D.A.M.J. Benfield
, S. A.R.A.H.J. Ivory
, S. C.O.T.T.W. Starratt
, S. U.S.A.N.R.H. Zimmerman

Producción científica: Article › revisión exhaustiva

1 Cita (Scopus)

Resumen

The response of aquatic ecosystems in the Sierra Nevada (California, USA) to late Quaternary hydroclimate changes remains mostly unknown. Mono Lake, a large endorheic lake just east of the Sierra Nevada, contains an expanded archive of laminated sediments that can be used to examine the response of benthos to environmental changes. Fossil ostracodes from a radiocarbon-dated core were used to examine paleoecologic changes from ~16.6 to 4.3k cal a bp. Seven species were identified, with the co-occurrence of Limnocythere ceriotuberosa and Limnocythere staplini indicating a large SO₄²⁻-rich lake in the Pleistocene. The Younger Dryas was complex, with Fabaeformiscandona caudata reflecting a cold and deep lake ~13.0–12.2k cal a bp, followed by an interval of extensive littoral habitat from ~12.2–11.6k cal a bp. Ostracode diversity, valves g^–1 and the ratio of adult:juvenile valves declined after ~10.7k cal a bp due to regression, altered hydrochemistry and seasonal anoxia. Strong seasonality during the Early Holocene is suggested by the presence of reworked ostracodes and macrocharcoal, delivered to Mono Lake by erosion of ancient lake beds in the basin. A depauperate ostracode fauna in the Middle Holocene suggests a strong sensitivity to drought in this ecosystem, which has implications for biodiversity in the future.

Idioma original	English
Páginas (desde-hasta)	648-664
Número de páginas	17
Publicación	Journal of Quaternary Science
Volumen	39
N.º	4
DOI	https://doi.org/10.1002/jqs.3607
Estado	Published - may 2024

Nota bibliográfica

Publisher Copyright:
© 2024 John Wiley & Sons, Ltd.

Financiación

This research was supported by grants from the U.S. National Science Foundation (Award #1829093) and small grants made to the first author by the Geological Society of America, the Continental Scientific Drilling Facility Visiting Graduate Student Program and the Thomas Family Field Fund at the University of Kentucky. Samples were collected from Mono Lake under permission from the U.S. Forest Service. We thank the staff of the Continental Scientific Drilling Facility for their assistance with core handling, sampling and storage. Conversations with the Mono Lake Committee (especially B. Miller), G. Ali and I. Tunno were helpful for understanding the Mono Lake system. We are grateful to our colleagues and reviewers for their constructive comments on early versions of the manuscript. This work was performed partly under the auspices of the U.S. Department of Energy by Lawrence Livermore National Laboratory under Contract DE-AC52-07NA27344; this is LLNL-JRNL-845597. This research was supported by grants from the U.S. National Science Foundation (Award #1829093) and small grants made to the first author by the Geological Society of America, the Continental Scientific Drilling Facility Visiting Graduate Student Program and the Thomas Family Field Fund at the University of Kentucky. Samples were collected from Mono Lake under permission from the U.S. Forest Service. We thank the staff of the Continental Scientific Drilling Facility for their assistance with core handling, sampling and storage. Conversations with the Mono Lake Committee (especially B. Miller), G. Ali and I. Tunno were helpful for understanding the Mono Lake system. We are grateful to our colleagues and reviewers for their constructive comments on early versions of the manuscript. This work was performed partly under the auspices of the U.S. Department of Energy by Lawrence Livermore National Laboratory under Contract DE\u2010AC52\u201007NA27344; this is LLNL\u2010JRNL\u2010845597.

Financiadores	Número del financiador
Geological Society of America
University of Kentucky
U.S. Dept. of Agriculture Forest Service
U.S. Department of Energy Oak Ridge National Laboratory U.S. Department of Energy National Science Foundation National Energy Research Scientific Computing Center
U.S. Department of Energy Chinese Academy of Sciences Guangzhou Municipal Science and Technology Project Oak Ridge National Laboratory Extreme Science and Engineering Discovery Environment National Science Foundation National Energy Research Scientific Computing Center National Natural Science Foundation of China	1829093
U.S. Department of Energy Chinese Academy of Sciences Guangzhou Municipal Science and Technology Project Oak Ridge National Laboratory Extreme Science and Engineering Discovery Environment National Science Foundation National Energy Research Scientific Computing Center National Natural Science Foundation of China
Lawrence Livermore National Laboratory	DE‐AC52‐07NA27344, LLNL-JRNL-845597
Lawrence Livermore National Laboratory

ODS de las Naciones Unidas

Este resultado contribuye a los siguientes Objetivos de Desarrollo Sostenible

Climate action

ASJC Scopus subject areas

Arts and Humanities (miscellaneous)
Earth and Planetary Sciences (miscellaneous)
Paleontology

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Hodelka, B. A. I. L. E. E. N., Mcglue, M. I. C. H. A. E. L. M., Palacios-Fest, M. A. N. U. E. L. R., Benfield, A. D. A. M. J., Ivory, S. A. R. A. H. J., Starratt, S. C. O. T. T. W., & Zimmerman, S. U. S. A. N. R. H. (2024). Late Quaternary ostracode stratigraphy of Mono Lake (California, USA): evidence for benthic ecosystem sensitivity to climate change. Journal of Quaternary Science, 39(4), 648-664. https://doi.org/10.1002/jqs.3607

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title = "Late Quaternary ostracode stratigraphy of Mono Lake (California, USA): evidence for benthic ecosystem sensitivity to climate change",

abstract = "The response of aquatic ecosystems in the Sierra Nevada (California, USA) to late Quaternary hydroclimate changes remains mostly unknown. Mono Lake, a large endorheic lake just east of the Sierra Nevada, contains an expanded archive of laminated sediments that can be used to examine the response of benthos to environmental changes. Fossil ostracodes from a radiocarbon-dated core were used to examine paleoecologic changes from \textasciitilde{}16.6 to 4.3k cal a bp. Seven species were identified, with the co-occurrence of Limnocythere ceriotuberosa and Limnocythere staplini indicating a large SO42−-rich lake in the Pleistocene. The Younger Dryas was complex, with Fabaeformiscandona caudata reflecting a cold and deep lake \textasciitilde{}13.0–12.2k cal a bp, followed by an interval of extensive littoral habitat from \textasciitilde{}12.2–11.6k cal a bp. Ostracode diversity, valves g–1 and the ratio of adult:juvenile valves declined after \textasciitilde{}10.7k cal a bp due to regression, altered hydrochemistry and seasonal anoxia. Strong seasonality during the Early Holocene is suggested by the presence of reworked ostracodes and macrocharcoal, delivered to Mono Lake by erosion of ancient lake beds in the basin. A depauperate ostracode fauna in the Middle Holocene suggests a strong sensitivity to drought in this ecosystem, which has implications for biodiversity in the future.",

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month = may,

doi = "10.1002/jqs.3607",

language = "English",

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AU - Hodelka, B. A.I.L.E.E.N.

AU - Mcglue, M. I.C.H.A.E.L.M.

AU - Palacios-Fest, M. A.N.U.E.L.R.

AU - Benfield, A. D.A.M.J.

AU - Ivory, S. A.R.A.H.J.

AU - Starratt, S. C.O.T.T.W.

AU - Zimmerman, S. U.S.A.N.R.H.

PY - 2024/5

Y1 - 2024/5

N2 - The response of aquatic ecosystems in the Sierra Nevada (California, USA) to late Quaternary hydroclimate changes remains mostly unknown. Mono Lake, a large endorheic lake just east of the Sierra Nevada, contains an expanded archive of laminated sediments that can be used to examine the response of benthos to environmental changes. Fossil ostracodes from a radiocarbon-dated core were used to examine paleoecologic changes from ~16.6 to 4.3k cal a bp. Seven species were identified, with the co-occurrence of Limnocythere ceriotuberosa and Limnocythere staplini indicating a large SO42−-rich lake in the Pleistocene. The Younger Dryas was complex, with Fabaeformiscandona caudata reflecting a cold and deep lake ~13.0–12.2k cal a bp, followed by an interval of extensive littoral habitat from ~12.2–11.6k cal a bp. Ostracode diversity, valves g–1 and the ratio of adult:juvenile valves declined after ~10.7k cal a bp due to regression, altered hydrochemistry and seasonal anoxia. Strong seasonality during the Early Holocene is suggested by the presence of reworked ostracodes and macrocharcoal, delivered to Mono Lake by erosion of ancient lake beds in the basin. A depauperate ostracode fauna in the Middle Holocene suggests a strong sensitivity to drought in this ecosystem, which has implications for biodiversity in the future.

AB - The response of aquatic ecosystems in the Sierra Nevada (California, USA) to late Quaternary hydroclimate changes remains mostly unknown. Mono Lake, a large endorheic lake just east of the Sierra Nevada, contains an expanded archive of laminated sediments that can be used to examine the response of benthos to environmental changes. Fossil ostracodes from a radiocarbon-dated core were used to examine paleoecologic changes from ~16.6 to 4.3k cal a bp. Seven species were identified, with the co-occurrence of Limnocythere ceriotuberosa and Limnocythere staplini indicating a large SO42−-rich lake in the Pleistocene. The Younger Dryas was complex, with Fabaeformiscandona caudata reflecting a cold and deep lake ~13.0–12.2k cal a bp, followed by an interval of extensive littoral habitat from ~12.2–11.6k cal a bp. Ostracode diversity, valves g–1 and the ratio of adult:juvenile valves declined after ~10.7k cal a bp due to regression, altered hydrochemistry and seasonal anoxia. Strong seasonality during the Early Holocene is suggested by the presence of reworked ostracodes and macrocharcoal, delivered to Mono Lake by erosion of ancient lake beds in the basin. A depauperate ostracode fauna in the Middle Holocene suggests a strong sensitivity to drought in this ecosystem, which has implications for biodiversity in the future.

KW - Mono Lake

KW - Sierra Nevada

KW - climate change

KW - lake sediment

KW - ostracodes

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SN - 0267-8179

VL - 39

SP - 648

EP - 664

JO - Journal of Quaternary Science

JF - Journal of Quaternary Science

IS - 4

ER -

Late Quaternary ostracode stratigraphy of Mono Lake (California, USA): evidence for benthic ecosystem sensitivity to climate change

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Financiación

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ASJC Scopus subject areas

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