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Long-term changes in benthic communities following the invasion by an alien octocoral in the Southwest Atlantic, Brazil
de Carvalho-Junior, L.; Neves, L.M.; Teixeira-Neves, T.P.; Cardoso, S.J. (2023). Long-term changes in benthic communities following the invasion by an alien octocoral in the Southwest Atlantic, Brazil. Mar. Pollut. Bull. 186: 114386. https://dx.doi.org/10.1016/j.marpolbul.2022.114386
In: Marine Pollution Bulletin. Macmillan: London. ISSN 0025-326X; e-ISSN 1879-3363, meer
Peer reviewed article  
Beschikbaar in  Auteurs 
Trefwoorden
    Latissimia ningalooensis Ekins, Benayahu & McFadden, 2022 [WoRMS]; Sansibia Alderslade, 2000 [WoRMS]
    Marien/Kust
Author keywords
    BACI-design; Biological invasions; Competitive interactions; Latissimia ningalooensis; Sansibia sp.; Spatiotemporal variations
Auteurs  Top 
  • de Carvalho-Junior, L.
  • Neves, L.M.
  • Teixeira-Neves, T.P.
  • Cardoso, S.J.
Abstract
    Invasive alien species are considered one of the main threats to marine biodiversity. We used a BACI design to investigate the changes in rocky reef benthic communities related to the invasion of the octocoral Latissimia ningalooensis in the Southwest Atlantic. Drastic changes in benthic community structure were restricted to the invaded site and associated with the growth of L. ningalooensis on turf algae. Conversely, the zoanthid Palythoa caribaeorum remained stable coverage along the 9-year study period, indicating a greater biotic resistance against the octocoral. Latissimia ningalooensis spread from large and well-established patches to new areas of the reef, increasing turf-octocoral interactions. This study warns of the great invasive potential of the octocoral, due to its high abundance, competitive and expansion ability. The decline in abundance of turf-forming algae following the emergence of L. ningalooensis threatens the structure and functioning of macroalgal-dominated rocky reefs.
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