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Geomorphology of coralligenous reefs offshore southeastern Sicily (Ionian Sea)

Author

Listed:
  • Andrea Giulia Varzi
  • Luca Fallati
  • Alessandra Savini
  • Valentina Alice Bracchi
  • Pietro Bazzicalupo
  • Antonietta Rosso
  • Rossana Sanfilippo
  • Marco Bertolino
  • Maurizio Muzzupappa
  • Daniela Basso

Abstract

Coralligenous (C) includes calcareous build-ups of biogenic origin, formed since the Holocene transgression. Peculiar columnar-shaped C outcrops were documented offshore Marzamemi village (SE Sicily, Ionian Sea), although the actual extension and distribution were not assessed. Project ‘CRESCIBLUREEF’ produced a new, 17 km2 high-resolution bathymetric map, leading to good knowledge about their extent in this area. C bioconstructions are largely distributed along two depth ranges 36–42 m and 86–102 m water depth. By coupling the documented uplift rate in this region and the Holocene sea-level curve, we were able to interpret the distribution of C outcrops over terraces. However, additional investigation is required to understand: (1) the role of the inherited continental shelf landscape, in creating a favorable substrate for the settlement and growth of C habitats during the Holocene, and (2) the extent to which C bioconstructions can impact the evolution of present-day continental shelf landforms and landscapes.

Suggested Citation

  • Andrea Giulia Varzi & Luca Fallati & Alessandra Savini & Valentina Alice Bracchi & Pietro Bazzicalupo & Antonietta Rosso & Rossana Sanfilippo & Marco Bertolino & Maurizio Muzzupappa & Daniela Basso, 2023. "Geomorphology of coralligenous reefs offshore southeastern Sicily (Ionian Sea)," Journal of Maps, Taylor & Francis Journals, vol. 19(1), pages 2161963-216, December.
    • Handle: RePEc:taf:tjomxx:v:19:y:2023:i:1:p:2161963
    DOI: 10.1080/17445647.2022.2161963
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