Sulfide exposure accelerates hypoxia-driven mortality

Raquel Vaquer-Sunyer*, Carlos M. Duarte

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

100 Scopus citations

Abstract

The effect of the presence of sulfide on the survival of benthic organisms under hypoxia was tested using a meta-analysis of published experimental results evaluating the effects of the presence of hydrogen sulfide on the median survival time of benthic macrofauna under hypoxia. The meta-analysis confirmed that survival times under hypoxia are reduced by an average of 30% in marine benthic communities exposed to hydrogen sulfide. The effect of sulfide on survival was higher for egg forms than for juvenile or adult stages. The aggravation of the negative effects of spreading hypoxia in the presence of sulfide suggests that the threats derived from hypoxia to marine biodiversity are greater than anticipated on the basis of the direct effects of low oxygen concentration alone.

Original languageEnglish (US)
Pages (from-to)1075-1082
Number of pages8
JournalLimnology and Oceanography
Volume55
Issue number3
DOIs
StatePublished - May 2010

ASJC Scopus subject areas

  • Oceanography
  • Aquatic Science

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