A first record of intertidal Ostrea edulis 3D structural matrices in Strangford Lough Northern Ireland - An emergent reef?

Louise T. Kregting*, Maria Hayden-Hughes, Rachel V. Millar, Patrick W.S. Joyce, David M. Smyth

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

The European flat oyster Ostrea edulis once settled in high densities throughout its natural range but now exists only in small fragmented populations. In the Sea Lough of Strangford, Northern Ireland, recent increases in intertidal oyster numbers at historical sites along the north-east shore were recorded in 2018. A substantial number of conjoined oyster settlements were recorded within this density increase. One intertidal site produced numerous three-dimensional (3D) O. edulis specific matrices containing >16 oysters. In contrast, an extensive search of post and pre-1700s literature uncovered relatively few accounts of species-specific 3D O. edulis matrices and none relating to intertidal populations. The gregarious 3D settlements discovered during this research represent the first documented evidence of the phenomenon in Ireland. These emergent native oyster reef structures offer an insight into the possible intertidal O. edulis formations, which existed pre-1700 and could act as a guide to what may still be obtainable in the future.

Original languageEnglish
Article number101927
JournalJournal of Sea Research
Volume163
Early online date10 Jul 2020
DOIs
Publication statusPublished - 01 Aug 2020

Keywords

  • 3D structure
  • Flat oyster
  • Oyster
  • Population
  • Reef
  • Restoration

ASJC Scopus subject areas

  • Oceanography
  • Ecology, Evolution, Behavior and Systematics
  • Aquatic Science

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