Resistance of Lophelia pertusa to coverage by sediment and petroleum drill cuttings

Elke Allers, Raeid M M Abed, Laura M. Wehrmann, Tao Wang, Ann I. Larsson, Autun Purser, Dirk de Beer

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

In laboratory experiments, the cold-water coral Lophelia pertusa was exposed to settling particles. The effects of reef sediment, petroleum drill cuttings and a mix of both, on the development of anoxia at the coral surface were studied using O2, pH and H2S microsensors and by assessing coral polyp mortality. Due to the branching morphology of L. pertusa and the release of coral mucus, accumulation rates of settling material on coral branches were low. Microsensors detected H2S production in only a few samples, and sulfate reduction rates of natural reef sediment slurries were low (-3d-1). While the exposure to sediment clearly reduced the coral's accessibility to oxygen, L. pertusa tolerated both partial low-oxygen and anoxic conditions without any visible detrimental short-term effect, such as tissue damage or death. However, complete burial of coral branches for >24h in reef sediment resulted in suffocation.

Original languageEnglish
Pages (from-to)132-140
Number of pages9
JournalMarine Pollution Bulletin
Volume74
Issue number1
DOIs
Publication statusPublished - Sep 15 2013

Fingerprint

application coverage
petroleum
Reefs
corals
coral
Sediments
Crude oil
Microsensors
sediments
sediment
reefs
reef
Oxygen
Slurries
oxygen
asphyxia
slurries
particle settling
Tissue
polyp

Keywords

  • Anoxia
  • Cold-water coral reef
  • Cold-water coral-derived mucus
  • Drill cuttings
  • Lophelia pertusa
  • Sedimentation

ASJC Scopus subject areas

  • Aquatic Science
  • Oceanography
  • Pollution

Cite this

Resistance of Lophelia pertusa to coverage by sediment and petroleum drill cuttings. / Allers, Elke; Abed, Raeid M M; Wehrmann, Laura M.; Wang, Tao; Larsson, Ann I.; Purser, Autun; de Beer, Dirk.

In: Marine Pollution Bulletin, Vol. 74, No. 1, 15.09.2013, p. 132-140.

Research output: Contribution to journalArticle

Allers, E, Abed, RMM, Wehrmann, LM, Wang, T, Larsson, AI, Purser, A & de Beer, D 2013, 'Resistance of Lophelia pertusa to coverage by sediment and petroleum drill cuttings', Marine Pollution Bulletin, vol. 74, no. 1, pp. 132-140. https://doi.org/10.1016/j.marpolbul.2013.07.016
Allers, Elke ; Abed, Raeid M M ; Wehrmann, Laura M. ; Wang, Tao ; Larsson, Ann I. ; Purser, Autun ; de Beer, Dirk. / Resistance of Lophelia pertusa to coverage by sediment and petroleum drill cuttings. In: Marine Pollution Bulletin. 2013 ; Vol. 74, No. 1. pp. 132-140.
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