An Overview of Marine Non-Indigenous Species Found in Three Contrasting Biogeographic Metropolitan French Regions: Insights on Distribution, Origins and Pathways of Introduction

Massé, Cécile; Viard, Frédérique; Humbert, Suzie; Antajan, Elvire; Auby, Isabelle; Bachelet, Guy; Bouchet, Vincent M. P.; Burel, Thomas; Dauvin, Jean Claude; Delegrange, Alice; Derrien-Courtel, Sandrine; Droual, Gabin; Gouillieux, Benoît; Goulletquer, Philippe; Guérin, Laurent; Janson, Anne-Laure; Jourde, J.; Labrune, Céline; Lavesque, Nicolas; Leclerc, Jean‐Charles; Duff, Michel Le; Garrec, Vincent Le; Noël, Pierre; Nowaczyk, Antoine; Pergent-Martinì, Christine; Pezy, Jean‐Philippe; Raoux, Aurore; Raybaud, Virginie; Ruitton, Sandrine; Sauriau, Pierre-Guy; Spilmont, Nicolas; Thibault, Delphine; Vincent, Dorothée; Curd, Amelia

doi:10.3390/d15020161

Cited by 17 publications

(22 citation statements)

References 112 publications

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“…Maritime traffic has been identified as a vector of marine mollusk pathogens (for review see [60]), microorganisms [61] and non-indigenous species [62,63], through ballast water and/or hull biofouling. As such, ports are considered hotspots of marine non-indigenous species introductions [62,64,65] and of marine parasites [66]. Mytilus mussels are commonly reported as principal taxa composing hull biofouling (fixed adult mussels; [67][68][69]).…”

Section: Discussionmentioning

confidence: 99%

Marine transmissible cancer navigates urbanised waters, threatening to spillover

Hammel

Touchard²,

Burioli

et al. 2023

Preprint

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Transmissible cancer, a unique form of microparasites that spreads through direct transmission of living cancer cells, is increasingly reported in marine bivalves. In this study, we sought to understand the ecology of the propagation of Mytilus trossulus Bivalve Transmissible Neoplasia 2 (MtrBTN2), a transmissible cancer affecting four Mytilus mussel species worldwide. We investigated the prevalence of MtrBTN2 in the mosaic hybrid zone of M. edulis and M. galloprovincialis along the French Atlantic coast, sampling contrasting natural and anthropogenic habitats. We observed a similar prevalence in both species, likely due to the proximity of the two species in this region. Our results showed that ports had higher prevalence of MtrBTN2, with a hotspot observed at a shuttle landing dock. No cancer was found in natural beds except for two sites around the hotspot, suggesting spillover. Ports may provide favourable conditions for the transmission of MtrBTN2, such as high mussel density, confined sheltered shores, or buffered temperatures. Ships may also spread the disease through biofouling, with maritime traffic being the best predictor of MtrBTN2 prevalence. Our results suggest ports may serve as epidemiological hubs, with maritime routes providing artificial gateways for MtrBTN2 propagation. This highlights the importance of preventing biofouling on docks and ships hulls to limit the spread of marine pathogens.

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Section: Discussionmentioning

confidence: 99%

Marine transmissible cancer navigates urbanised waters, threatening to spillover

Hammel

Touchard²,

Burioli

et al. 2023

Preprint

View full text Add to dashboard Cite

show abstract

“…Maritime traffic has been identified as a vector of marine mollusk pathogens (for review, see [60]), microorganisms [61] and non-indigenous species [62,63], through ballast water and/or hull biofouling. As such, ports are considered hotspots of marine non-indigenous species introductions [62,64,65] and of marine parasites [66]. Mytilus mussels are commonly reported as principal taxa composing hull biofouling (fixed adult mussels; [67][68][69]).…”

Section: Discussionmentioning

confidence: 99%

“…Vessels could facilitate MtrBTN2 propagation through transport of affected mussels fixed on the hull. Maritime traffic has been identified as a vector of marine mollusk pathogens (for review, see [60]), microorganisms [61] and non-indigenous species [62,63], through ballast water and/or hull biofouling. As such, ports are considered hotspots of marine non-indigenous species introductions [62,64,65] and of marine parasites [66].…”

Section: Discussionmentioning

confidence: 99%

Marine transmissible cancer navigates urbanized waters, threatening spillover

Hammel,

Touchard,

Burioli

et al. 2024

Proc. R. Soc. B.

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Inter-individual transmission of cancer cells represents a unique form of microparasites increasingly reported in marine bivalves. In this study, we sought to understand the ecology of the propagation of Mytilus trossulus Bivalve Transmissible Neoplasia 2 (MtrBTN2), a transmissible cancer affecting four Mytilus mussel species worldwide. We investigated the prevalence of MtrBTN2 in the mosaic hybrid zone of M. edulis and M. galloprovincialis along the French Atlantic coast, sampling contrasting natural and anthropogenic habitats. We observed a similar prevalence in both species, probably due to the spatial proximity of the two species in this region. Our results showed that ports had higher prevalence of MtrBTN2, with a possible hotspot observed at a shuttle landing dock. No cancer was found in natural beds except for two sites close to the hotspot, suggesting spillover. Ports may provide favourable conditions for the transmission of MtrBTN2, such as high mussel density, stressful conditions, sheltered and confined shores or buffered temperatures. Ships may also spread the disease through biofouling. Our results suggest ports may serve as epidemiological hubs, with maritime routes providing artificial gateways for MtrBTN2 propagation. This highlights the importance of preventing biofouling on docks and ship hulls to limit the spread of marine pathogens hosted by fouling species.

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“…reproductive output) and more importantly by anthropogenically aided dispersal as stowaways—a pathway which is not really questioned regarding these neocosmopolitan taxa (cf. Bailey et al, 2020; Massé et al, 2023 for reviews).…”

Section: Discussionmentioning

confidence: 99%

Distribution of functionally distinct native and non‐indigenous species within marine urban habitats

Leclerc,

Figueroa,

Viard

et al. 2023

Diversity and Distributions

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AimTrait‐based approaches are powerful to examine the processes associated with biological invasions. Functional comparison among native and non‐indigenous species (NIS) can notably infer whether novel assemblages result from neutral or niche‐based assembly rules. Applying such a framework to biofouling communities, our study aimed to elucidate their distributions within two marine urban habitats (namely floating vs. nonfloating habitats).LocationSoutheast Pacific—Central Chilean coastline.MethodsHere, we examined the distribution of 12 functional traits in fouling communities established on settlement plates, after 3 and 13 months of deployment in the two habitats and across ports in Central Chile. Based upon previously described differences of assemblages and NIS contribution across habitats, we hypothesized that nonindigenous, cryptogenic and native taxon pools would be functionally distinct (and trait biased), and that functional diversity and structure would vary across habitats and successional stages.ResultsOur results show, as anticipated, that nonindigenous (13 taxa), cryptogenic (12) and native (18) taxon pools are functionally distinct, though overlapping in the trait space. Non‐indigenous species are rather related to colonizing traits, while native species are more related to competitive traits. Only one widespread NIS was functionally similar to the late successional and most competitive native species, including taxa elsewhere invasives. Despite differences in taxonomic composition between habitats, we did not observe functional differences between them. In contrast, temporal variations across colonization stages were detected along with an increased contribution in large and long‐lived taxa, together with site‐specific trajectories.Main ConclusionsWe conclude that the functional distinctness among nonindigenous, cryptogenic and native taxa occupying artificial habitats in ports reflects niche‐based processes. Site‐specific trajectories indicate that scale‐dependent assembly processes, such as dispersal and species interactions, are at play.

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An Overview of Marine Non-Indigenous Species Found in Three Contrasting Biogeographic Metropolitan French Regions: Insights on Distribution, Origins and Pathways of Introduction

Cited by 17 publications

References 112 publications

Marine transmissible cancer navigates urbanised waters, threatening to spillover

Marine transmissible cancer navigates urbanised waters, threatening to spillover

Marine transmissible cancer navigates urbanized waters, threatening spillover

Distribution of functionally distinct native and non‐indigenous species within marine urban habitats

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