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Ecosystem Disturbance Records During the Uppermost Maastrichtian-Lower Danian in Southern Tethyan Realms (Gafsa Basin, Tamerza Area, Tunisia)

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Recent Advances in Environmental Science from the Euro-Mediterranean and Surrounding Regions (2nd Edition) (EMCEI 2019)

Part of the book series: Environmental Science and Engineering ((ENVSCIENCE))

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Abstract

The high-resolution geochemical investigation across the K-T transition of the Tamerza region (Gafsa Basin) allowed to recognize the environmental conditions of the upper Maastrichtian-lower Danian interval. Anoxic conditions were testified by the increase of redox trace elements, Zn, Mo, and V, associated with the decrease of Ca concentrations and the CaCO3. The marine ecosystem has been hardly disrupted by the environmental changes recorded within this interval. As a result, the anoxic conditions induced noticeable changes in terms of fauna assemblages, test preservation, shape, size, and abundance. The benthic foraminifera were severely influenced by the poor oxygenation and the heavy metal enrichments. The abundance and the diversity of these microfossils sharply decreased and showed bad preservation. Moreover, the benthic foraminifera exhibited fragmented and dissolved shells.

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Author information

Authors and Affiliations

  1. Faculty of Sciences of Sfax, University of Sfax, 3029, Sfax, Tunisia

    Salma Jmal

  2. University of Sfax, 3029, Sfax, Tunisia

    Noura Kotti

  3. Higher Institute of Biotechnology of Sfax, Sfax, 3038, Tunisia

    Besma Mardassi

Authors
  1. Salma Jmal
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  2. Noura Kotti
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  3. Besma Mardassi
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Corresponding author

Correspondence to Salma Jmal .

Editor information

Editors and Affiliations

  1. High Institute of Biotechnology, University of Sfax, Sfax, Tunisia

    Mohamed Ksibi

  2. Appliquées et Technologies, Institut Supérieur des Sciences, Gabès, Tunisia

    Achraf Ghorbal

  3. University of Calabria, Rende, Cosenza, Italy

    Sudip Chakraborty

  4. School of Engineering (ISEP), Polytechnic of Porto, Porto, Portugal

    Helder I. Chaminé

  5. Università degli Studi di Roma, Roma, Roma, Italy

    Maurizio Barbieri

  6. University of Naples, Naples, Italy

    Giulia Guerriero

  7. High Institute of Biotechnology, University of Sfax, Sfax, Tunisia

    Olfa Hentati

  8. Faculty of Engineering, Water and Water Structure Engineering Department, Zagazig University, Zagazig, Egypt

    Abdelazim Negm

  9. University of Geneva, Genève, Geneve, Switzerland

    Anthony Lehmann

  10. ECT Oekotoxikologie GmbH, Flörsheim am Main, Hessen, Germany

    Jörg Römbke

  11. Centre for Environmental+Marine Studies, University of Aveiro, Aveiro, Portugal

    Armando Costa Duarte

  12. Department of Geography, Justus-Liebig-University Giessen, Gießen, Hessen, Germany

    Elena Xoplaki

  13. Springer Nature, Heidelberg, Baden-Württemberg, Germany

    Nabil Khélifi

  14. Gembloux Agro-Bio Tech, University of Liège, Gembloux, Belgium

    Gilles Colinet

  15. University of Aveiro, Aveiro, Portugal

    João Miguel Dias

  16. Faculty of Medicine of Sfax, University of Sfax, Sfax, Tunisia

    Imed Gargouri

  17. Institut de Physique du Globe de Paris, Université de Paris, Paris, France

    Eric D. Van Hullebusch

  18. FOTOAIR-CIEMAT, Madrid, Madrid, Spain

    Benigno Sánchez Cabrero

  19. Department of Civil Engineering, University of Salerno, Fisciano, Italy

    Settimio Ferlisi

  20. College of Engineering, Swansea University, Swansea, UK

    Chedly Tizaoui

  21. Sfax National School of Engineering, University of Sfax, Sfax, Tunisia

    Amjad Kallel

  22. Swiss Federal Institute of Technology, Lausanne, Switzerland

    Sami Rtimi

  23. Department of Mining Engineering, Suleyman Demirel University, Isparta, Turkey

    Sandeep Panda

  24. Université Clermont Auvergne, Polytech, Aubière, France

    Philippe Michaud

  25. Institute of Chemical Technology, University of Stuttgart, Stuttgart, Baden-Württemberg, Germany

    Jaya Narayana Sahu

  26. High School of Science and Technology, University of Sousse, Sousse, Tunisia

    Mongi Seffen

  27. SEED DICIV, University of Salerno, Fisciano, Italy

    Vincenzo Naddeo

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Jmal, S., Kotti, N., Mardassi, B. (2021). Ecosystem Disturbance Records During the Uppermost Maastrichtian-Lower Danian in Southern Tethyan Realms (Gafsa Basin, Tamerza Area, Tunisia). In: Ksibi, M., et al. Recent Advances in Environmental Science from the Euro-Mediterranean and Surrounding Regions (2nd Edition). EMCEI 2019. Environmental Science and Engineering(). Springer, Cham. https://doi.org/10.1007/978-3-030-51210-1_165

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