Cited by 1,049Coral and Marine Ecosystems StudiesMarine Biology and Ecology ResearchMarine Ecology and Invasive Species

Mass mortality in Northwestern Mediterranean rocky benthic communities: effects of the 2003 heat wave

GARRABOU, J., COMA, R., BENSOUSSAN, N., BALLY, M., CHEVALDONNÉ, P., CIGLIANO, M., DIAZ, D., HARMELIN, J. G. +15 more·2009·Global Change Biology

Abstract

Late in summer 2003, extensive mass mortality of at least 25 rocky benthic macro-invertebrate species (mainly gorgonians and sponges) was observed in the entire Northwestern (NW) Mediterranean region, affecting several thousand kilometers of coastline. We were able to characterize the mortality event by studying six areas covering the main regions of the NW Mediterranean basin. The degree of impact on each study area was quantified at 49 sites by estimating the proportion of colonies affected in populations of several gorgonian species compared with reference data obtained in years without mortality signs. According to these data, the western areas (Catalan coast and Balearic Islands) were the least affected, while the central areas (Provence coast and Corsica-Sardinia) showed a moderate impact. The northernmost and eastern areas (Gulf of Genoa and Gulf of Naples) displayed the highest impact, with almost 80% of gorgonian colonies affected. The heat wave of 2003 in Europe caused an anomalous warming of seawater, which reached the highest temperatures ever recorded in the studied regions, between 1 and 3 °C above the climatic values (mean and maximum). Because this exceptional warming was observed in the depth ranges most affected by the mortality, it seems likely that the 2003 anomalous temperature played a key role in the observed mortality event. A correlation analysis between temperature conditions and degree of impact seems to support this hypothesis. Under the present cl…

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Crossref · 10.1111/j.1365-2486.2008.01823.x

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  • A variety of impacts have been associated with marine heatwaves, including shifts in species ranges, local extinctions and economic impacts on seafood industries through declines in important fishery species and impacts on aquaculture.

    “A variety of impacts 4 have been associated with these anomalous events, including shifts in species ranges, local 5 extinctions and economic impacts on seafood industries through declines in important fishery 6 species and impacts on aquaculture.”

    From A hierarchical approach to defining marine heatwaves (2016) · cites this paper as Garrabou et al. 2009

  • The atmosphere, land surface and ocean all may have important driving roles in how and where prolonged heat events play out.

    “From examples such as the 2003 MHW in the northern Mediterranean Sea (Garrabou et al. 2009), the 2011 Ningaloo Niño in Western Australia (Feng et al. 2013) and the 2012 MHW in the northwest Atlantic (Mills et al. 2013; Chen et al. 2014), it is clear that the atmosphere, land surface and ocean all may have important driving roles in how and where these prolonged heat events play out.”

    From A hierarchical approach to defining marine heatwaves (2016) · cites this paper as Garrabou et al. 2009

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Authors
GARRABOU, J., COMA, R., BENSOUSSAN, N., BALLY, M., CHEVALDONNÉ, P., CIGLIANO, M., DIAZ, D., HARMELIN, J. G., GAMBI, M. C., KERSTING, D. K., LEDOUX, J. B., LEJEUSNE, C., LINARES, C., MARSCHAL, C., PÉREZ, T., RIBES, M., ROMANO, J. C., SERRANO, E., TEIXIDO, N., TORRENTS, O., ZABALA, M., ZUBERER, F., & CERRANO, C.
Affiliations
  • Centre National de la Recherche Scientifique (FR)
  • Consejo Superior de Investigaciones Científicas (ES)
  • Stazione Zoologica Anton Dohrn (IT)
  • Universitat de Barcelona (ES)
  • Station Marine d'Endoume (FR)
  • University of Genoa (IT)
Corresponding author
GARRABOU, J.
Venue
Global Change Biology
Publisher
Wiley
Published
2009-04-07
Volume
15
Issue
5
Pages
1090-1103
ISSN
  • 1354-1013 (ISSN-L)
  • 1365-2486
OpenAlex
W2108313195
Cited by
1,049
References
65
Citations by year
2026: 38 · 2025: 83 · 2024: 89 · 2023: 124 · 2022: 96 · 2021: 87 · 2020: 70 · 2019: 74 · 2018: 62 · 2017: 64 · 2016: 51 · 2015: 44 · 2014: 31 · 2013: 48 · 2012: 27
FWCI
17.49
Type
journal article
Language
en
Open access
closed
Locations
  • Global Change Biology (publishedVersion)
  • HAL AMU (submittedVersion)
  • HAL (submittedVersion)
  • DIGITAL.CSIC (Spanish National Research Council (CSIC)) (submittedVersion)
Funders
Agence Nationale de la Recherche (ANR-05-BDIV-0005)
Topics
  • Physical Sciences › Environmental Science › Ecology › Coral and Marine Ecosystems Studies
  • Physical Sciences › Earth and Planetary Sciences › Oceanography › Marine Biology and Ecology Research
  • Physical Sciences › Environmental Science › Global and Planetary Change › Marine Ecology and Invasive Species
Keywords
mass mortality, 2003 European heatwave, gorgonian corals, sponges, macroinvertebrates, ocean warming, NW Mediterranean, Gulf of Genoa, Gulf of Naples, biodiversity crisis, global warming

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