Biodiversity patterns in Mediterranean coralligenous outcrops


IMAGE GALLERY - Threats Fig3

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Threats Fig3

Some introduced species in the Mediterranean have become invasive. These species interfere with native species, modify benthic assemblages and represent one of the major threats to the diversity of Mediterranean benthic coastal ecosystems. The most harmful invasive species that are currently spreading on coralligenous outcrops are probably the filamentous red algae Womersleyella setacea and the green algae Caulerpa racemosa. In this image, it can be seen C. racemosa covering almost all the surface. Locality: National Park Port-Cros. Depth: 25 m.

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