38
views
0
recommends
+1 Recommend
0 collections
    0
    shares
      • Record: found
      • Abstract: found
      • Article: found
      Is Open Access

      Ocean warming affected faunal dynamics of benthic invertebrate assemblages across the Toarcian Oceanic Anoxic Event in the Iberian Basin (Spain)

      research-article
      1 , * , 2 , 1
      PLoS ONE
      Public Library of Science

      Read this article at

      Bookmark
          There is no author summary for this article yet. Authors can add summaries to their articles on ScienceOpen to make them more accessible to a non-specialist audience.

          Abstract

          The Toarcian Oceanic Anoxic Event (TOAE; Early Jurassic, ca. 182 Ma ago) represents one of the major environmental disturbances of the Mesozoic and is associated with global warming, widespread anoxia, and a severe perturbation of the global carbon cycle. Warming-related dysoxia-anoxia has long been considered the main cause of elevated marine extinction rates, although extinctions have been recorded also in environments without evidence for deoxygenation. We addressed the role of warming and disturbance of the carbon cycle in an oxygenated habitat in the Iberian Basin, Spain, by correlating high resolution quantitative faunal occurrences of early Toarcian benthic marine invertebrates with geochemical proxy data (δ 18O and δ 13C). We find that temperature, as derived from the δ 18O record of shells, is significantly correlated with taxonomic and functional diversity and ecological composition, whereas we find no evidence to link carbon cycle variations to the faunal patterns. The local faunal assemblages before and after the TOAE are taxonomically and ecologically distinct. Most ecological change occurred at the onset of the TOAE, synchronous with an increase in water temperatures, and involved declines in multiple diversity metrics, abundance, and biomass. The TOAE interval experienced a complete turnover of brachiopods and a predominance of opportunistic species, which underscores the generality of this pattern recorded elsewhere in the western Tethys Ocean. Ecological instability during the TOAE is indicated by distinct fluctuations in diversity and in the relative abundance of individual modes of life. Local recovery to ecologically stable and diverse post-TOAE faunal assemblages occurred rapidly at the end of the TOAE, synchronous with decreasing water temperatures. Because oxygen-depleted conditions prevailed in many other regions during the TOAE, this study demonstrates that multiple mechanisms can be operating simultaneously with different relative contributions in different parts of the ocean.

          Related collections

          Most cited references90

          • Record: found
          • Abstract: not found
          • Article: not found

          Hierarchical Grouping to Optimize an Objective Function

          Joe Ward (1963)
            Bookmark
            • Record: found
            • Abstract: not found
            • Article: not found

            Use of Ranks in One-Criterion Variance Analysis

              Bookmark
              • Record: found
              • Abstract: not found
              • Article: not found

              Ecology. Physiology and climate change.

                Bookmark

                Author and article information

                Contributors
                Role: ConceptualizationRole: Data curationRole: Formal analysisRole: InvestigationRole: MethodologyRole: VisualizationRole: Writing – original draftRole: Writing – review & editing
                Role: Writing – review & editing
                Role: ConceptualizationRole: Funding acquisitionRole: InvestigationRole: Project administrationRole: SupervisionRole: Writing – original draftRole: Writing – review & editing
                Role: Editor
                Journal
                PLoS One
                PLoS One
                plos
                plosone
                PLoS ONE
                Public Library of Science (San Francisco, CA USA )
                1932-6203
                9 December 2020
                2020
                : 15
                : 12
                : e0242331
                Affiliations
                [1 ] Museum für Naturkunde, Leibniz Institute for Evolution and Biodiversity Science, Berlin, Germany
                [2 ] University of Exeter, Camborne School of Mines, College of Engineering, Mathematics and Physical Sciences, Penryn, Cornwall, United Kingdom
                Union College, UNITED STATES
                Author notes

                Competing Interests: The authors have declared that no competing interests exist.

                Author information
                https://orcid.org/0000-0002-8349-9956
                Article
                PONE-D-20-11804
                10.1371/journal.pone.0242331
                7725388
                33296368
                e5128c6c-581a-481c-9fc0-56b8170ea80c
                © 2020 Piazza et al

                This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

                History
                : 23 April 2020
                : 30 October 2020
                Page count
                Figures: 9, Tables: 3, Pages: 27
                Funding
                Funded by: funder-id http://dx.doi.org/10.13039/501100001659, Deutsche Forschungsgemeinschaft;
                Award ID: DFG AB 09/10-1
                Award Recipient :
                Funded by: funder-id http://dx.doi.org/10.13039/501100000270, Natural Environment Research Council;
                Award ID: NE/N018508/1
                Award Recipient :
                V.P. and M.A. were funded by the Deutsche Forschungsgemeinschaft grant DFG AB 09/10-1. C.V.U acknowledges funding from the JET project (NERC grant NE/N018508/1). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.
                Categories
                Research Article
                Biology and Life Sciences
                Taxonomy
                Computer and Information Sciences
                Data Management
                Taxonomy
                Biology and Life Sciences
                Zoology
                Malacology
                Earth Sciences
                Marine and Aquatic Sciences
                Oceanography
                Ocean Temperature
                Biology and Life Sciences
                Ecology
                Biodiversity
                Ecology and Environmental Sciences
                Ecology
                Biodiversity
                Biology and Life Sciences
                Ecology
                Community Ecology
                Community Structure
                Ecology and Environmental Sciences
                Ecology
                Community Ecology
                Community Structure
                Physical Sciences
                Chemistry
                Geochemistry
                Earth Sciences
                Geochemistry
                Biology and Life Sciences
                Organisms
                Eukaryota
                Animals
                Invertebrates
                Molluscs
                Bivalves
                Biology and Life Sciences
                Zoology
                Animals
                Invertebrates
                Molluscs
                Bivalves
                Biology and Life Sciences
                Ecology
                Paleoecology
                Ecology and Environmental Sciences
                Ecology
                Paleoecology
                Biology and Life Sciences
                Paleontology
                Paleobiology
                Paleoecology
                Earth Sciences
                Paleontology
                Paleobiology
                Paleoecology
                Custom metadata
                The datasets generated and analysed during the current study, as well as the R scripts, are available from the Dryad Digital Repository (accession number: doi: 10.5061/dryad.66t1g1k0w).

                Uncategorized
                Uncategorized

                Comments

                Comment on this article