Article (Scientific journals)
Active hydrothermal vents in the Woodlark Basin may act as dispersing centres for hydrothermal fauna
Boulart, Cédric; Rouxel, Olivier; Scalabrin, Carla et al.
2022In Communications Earth & Environment, 3, p. 64
Peer reviewed
 

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Keywords :
hydrothermal vent; deep sea; benthic invertebrates; stable isotopes; food webs; back arc basins; chimiosynthesis; symbiosis; community ecology; larval dispersal
Abstract :
[en] Here we report the discovery of a high-temperature hydrothermal vent field on the Woodlark Ridge, using ship-born multibeam echosounding and Remotely Operated Vehicle (ROV) exploration. La Scala Vent Field comprises two main active areas and several inactive zones dominated by variably altered basaltic rocks, indicating that an active and stable hydrothermal circulation has been maintained over a long period of time. The Pandora Site, at a depth of 3,380 m, is mainly composed of diffuse vents. The Corto site, at a depth of 3,360 m, is characterized by vigorous black smokers (temperature above 360°C). The striking features of this new vent field are the profusion of stalked barnacles Vulcanolepas sp. nov., the absence of mussels and the scarcity of the gastropod symbiotic fauna. We suggest that La Scala Vent Field may act as a dispersing centre 37 for hydrothermal fauna towards the nearby North Fiji, Lau and Manus basins.
Research center :
FOCUS - Freshwater and OCeanic science Unit of reSearch - ULiège
MARE - Centre Interfacultaire de Recherches en Océanologie - ULiège
Disciplines :
Aquatic sciences & oceanology
Zoology
Environmental sciences & ecology
Earth sciences & physical geography
Author, co-author :
Boulart, Cédric
Rouxel, Olivier
Scalabrin, Carla
Le Meur, Pierre
Pelleter, Ewan
Poitrimol, Camille
Thiebaut, Eric
Matabos, Marjolaine
Castel, Jade
Tran Lu Y, Adrien
Michel, Loïc  ;  Université de Liège - ULiège > Département de Biologie, Ecologie et Evolution > Laboratoire d'Ecologie trophique et isotopique
Cathalot, Cécile
Cheron, Sandrine
Boissier, Audrey
Germain, Yoan
Guyader, Vivien
Arnaud-Haon, Sophie
Tasiemski, Aurélie
Kuama, Darren C.
Hourdez, Stéphane
Jollivet, Didier
More authors (11 more) Less
Language :
English
Title :
Active hydrothermal vents in the Woodlark Basin may act as dispersing centres for hydrothermal fauna
Publication date :
17 March 2022
Journal title :
Communications Earth & Environment
eISSN :
2662-4435
Publisher :
Springer Nature
Volume :
3
Pages :
64
Peer reviewed :
Peer reviewed
Available on ORBi :
since 05 March 2022

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