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| Autori principali: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
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| Natura: | Artículo científico |
| Lingua: | en |
| Pubblicazione: |
Marine pollution bulletin
2025
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| Soggetti: | |
| Accesso online: | https://pubmed.ncbi.nlm.nih.gov/40652688/ |
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Sommario:
- An ecosystem-based index for Mediterranean coralligenous reefs: A protocol to assess the quality of a complex key habitat. Astruch, Patrick Boudouresque, Charles-François Cabral, Mélanie Schohn, Thomas Ballesteros, Enric Bellan-Santini, Denise Belloni, Bruno Bianchi, Carlo Nike Cassetti, Olivia Chevaldonné, Pierre Fourt, Maïa Guidetti, Paolo Hartmann, Virginie Jacob, Élodie Le Diréach, Laurence Michez, Noëmie Montefalcone, Monica Morri, Cala Nérini, David Pérez, Thierry Pibot, Alain Poggiale, Jean-Christophe Reveret, Claude Valance, Félix Ruitton, Sandrine Sartoretto, Stéphane Blouet, Sylvain Ricquiers, Laurent Thibaut, Thierry Vacelet, Jean Verlaque, Marc Mediterranean Sea Environmental Monitoring Ecosystem Coral Reefs Animals Anthozoa Coralligenous reefs are among the most diverse Mediterranean ecosystems, particularly in the circalittoral zone. Shaped by calcified red algae, sponges, cnidarians, and bryozoans, they create a complex three-dimensional structure providing shelter for diverse fauna. These reefs develop either on steep rocky walls or as bioherms when calcified algae are the dominant organisms. Their structure and composition vary with location, depth, substrate, and environmental conditions. Assessing the status of such a complex ecosystem poses significant challenges. Ecosystem-based quality indices (EBQI) have already been applied successfully to various coastal Mediterranean habitats. Using a similar methodology, a new index, the Coralligenous Ecosystem-Based Quality Index (Cor-EBQI), was developed to assess the ecological status of the coralligenous ecosystem. The index incorporates the main functional compartments of these reefs, with each compartment weighted according to its importance in ecosystem functioning. Suitable descriptors were then selected to define five status classes for each compartment. A confidence index was also created to estimate data quality based on criteria such as methodology and expert judgement. Data from 63 sites along the French Mediterranean coast, including the Gulf of Lions, Provence, the French Riviera, Corsica, and Monaco, were analyzed. The ecological status ranged from bad to high, influenced by environmental conditions, geomorphology, anthropogenic pressures, and management practices. The Cor-EBQI is designed to meet the objectives of both the Habitats and Marine Strategy Framework Directives of the European Union. As such, it offers a practical tool for future monitoring networks across the Mediterranean Sea.