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- Title
Immersion Time Determines Performance of Artificial Habitats in Commercial Harbours by Changing Biodiversity of Colonising Invertebrate Assemblages.
- Authors
Varenne, Alix; Richardson, Laura E.; Radford, Andrew N.; Rossi, Francesca; Lecaillon, Gilles; Gudefin, Anaïs; Bérenger, Lucas; Abadie, Etienne; Boissery, Pierre; Lenfant, Philippe; Simpson, Stephen D.
- Abstract
In highly modified coastal environments, such as commercial harbours, the installation of artificial habitats has garnered support as a means of enhancing local biological recruitment and connectivity. The success of these measures depends largely on the patterns of species colonisation. Using post-installation monitoring data, we compared the composition of assemblages of invertebrates colonising artificial habitats that were immersed for different periods (~6 vs. ~18 months) in three commercial harbours along the French Mediterranean coast. The artificial habitats were colonised by taxonomically diverse invertebrate assemblages of ecological and economic importance, including molluscs, crustaceans, and echinoids. Composition differed significantly with the immersion time of the artificial habitats, with total abundance, species richness, and evenness being significantly higher after ~18 than after ~6 months of immersion, indicating that long periods are necessary to enrich these new habitats with economically and ecologically important species. These results can inform restoration protocols and emphasise the value of post-installation monitoring programs.
- Subjects
ARTIFICIAL habitats; HABITATS; COLONIZATION (Ecology); BIODIVERSITY; INVERTEBRATES; SPECIES diversity; HARBORS
- Publication
Diversity (14242818), 2023, Vol 15, Issue 4, p505
- ISSN
1424-2818
- Publication type
Article
- DOI
10.3390/d15040505