Type: Autre événement

CESABINARs, which are held in English on Zoom, last approximately one hour: 40 minutes are dedicated to the presentation, followed by 20 minutes of discussion for questions and deeper exploration of the topics covered.

Here, you will find all the information about the upcoming CESABINAR as well as information and recordings of previous sessions.

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Meeting ID: 872 5499 7662 ; Secret code: 388280

 

 

Spatio-temporal variability of coral reefs at the global scale: causalities, idiosyncrasies and implications for ecological indicators 

 

Coral reefs host the highest marine biodiversity and provide crucial services that sustain 500 million people worldwide. However, reefs are degrading rapidly due to the overlap between climate-induced disturbances and chronic stress. While reefs are recovering from the most prolonged global coral die-off on record (2015-2016), the effect of multiple stressors is still hard to disentangle and managers or conservation practitioners are charged to take decisions in a context of high uncertainty. Solving this issue would require the development of a set of complementary indicators that evaluate the status of reefs considering the taxonomic and the functional facets of biodiversity. These should be built using large-scale and long-term datasets to capture a wide range of environmental, biogeographical and anthropogenic conditions.

 

In SCORE-REEF, we merged and analysed global-scale and long-term datasets deriving from monitoring programs running in the French Overseas Territories and other regions. We evaluated the relevance and inter-operability of available datasets and assessed the temporal dynamics of benthic and fish assemblages using taxonomic and functional approaches. We then discuss the relevance of indicators used within the European Water Framework Directive, IFRECOR and MPAs monitoring, paving the way to the development of region-tailored indicators.  

 

• Brandl et al. (2024), Unifying Coral Reef States Through Space and Time Reveals a Changing Ecosystem. Global Ecol Biogeogr, 33: e13926. https://doi.org/10.1111/geb.13926
• Jouval et al. (2023), Using a multi-criteria decision-matrix framework to assess the recovery potential of coral reefs in the South Western Indian Ocean. Ecol Indicators. https://doi.org/10.1016/j.ecolind.2023.109952