{"refrec":{"BRefID":437113,"RR":"<b>Lelièvre, Y.; Jossart, Q.; Hourdez, S.; Verheye, M.; Kelch, A.; Di Franco, D.; Maxwell, J.; Rosenfeld, S.; MacKenzie, M.; Lavesque, N.; Legrand, E.; Capa, M.; San Martin, G.; Moreau, C.V.E.; Saucède, T.</b> (2025). Shallow benthic invertebrate communities in relation to substrate types in coastal environments of the sub-Antarctic Crozet archipelago. <i>Front. Mar. Sci. 12</i>: 1692217. <a href=\"https://dx.doi.org/10.3389/fmars.2025.1692217\" target=\"_blank\">https://dx.doi.org/10.3389/fmars.2025.1692217</a>","BEntID":434943,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":0,"RefStringPartII":". <i>Front. Mar. Sci. 12</i>: 1692217. <a href=\"https://dx.doi.org/10.3389/fmars.2025.1692217\" target=\"_blank\">https://dx.doi.org/10.3389/fmars.2025.1692217</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Lelièvre, Y.; Jossart, Q.; Hourdez, S.; Verheye, M.; Kelch, A.; Di Franco, D.; Maxwell, J.; Rosenfeld, S.; MacKenzie, M.; Lavesque, N.; Legrand, E.; Capa, M.; San Martin, G.; Moreau, C.V.E.; Saucède, T.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Lelièvre, Y. <i>et al.</i>","Englishabstract":"Coastal ecosystems of sub-Antarctic islands are threatened by increasing climate-driven changes and direct anthropogenic pressures. Significant effects on marine communities are expected, but benthic ecosystems of these isolated islands remain largely under-explored. Effective preservation of these nearshore environments requires deeper ecological assessments and comprehensive biodiversity knowledge. In this regard, this study reports findings from a survey carried out in 2021 at two sites – Baie du Marin and Crique du Sphinx – located on the eastern coast of Ile de la Possession (sub-Antarctic Crozet archipelago, Southern Ocean). We investigated the composition and structure of nearshore benthic faunal communities using a quantitative fieldwork protocol and an integrative molecular- and morphology-based taxonomic approach. A total of 124 morphotypes were identified, including a high proportion (72%) of rare species. Both sites exhibited similar benthic invertebrate communities. Structurally complex habitats such as hard substrates or areas dominated by macroalgae exhibited higher species richness and diversity. The investigated benthic invertebrate communities are typical of the sub-Antarctic area but featured unique structures, including dense tube-dwelling polychaete colonies. 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