@article {ISI:000366233300015,
	title = {{Bathymodiolus growth dynamics in relation to environmental fluctuations in vent habitats}},
	journal = {DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS},
	volume = {106},
	year = {2015},
	month = {dec},
	pages = {183{\textendash}193},
	type = {Article},
	abstract = {The deep-sea mussel Bathymodiolus thermophilus is a dominant species in the East Pacific Rise (EPR) hydrothermal vent fields. On the EPR volcanically unstable area, this late colonizer reaches high biomass within 4-5 years on new habitats created. by lava flows. The environmental conditions and growth rates characterizing the reestablishment of B. thermophilus populations are however largely unknown, leaving unconstrained the role of this foundation species in the ecosystem dynamics. A typical example from the vent field at 9 degrees 50{\textquoteright}N that was affected by the last massive eruption was the Bio-9 hydrothermal vent site. Here, six years later, a large mussel population had reestablished. The von Bertalanffy growth model estimates the oldest B. thermophilus specimens to be 1.3 year-old in March 2012, consistent with the observation of scarce juveniles among tubeworms in 2010. Younger cohorts were also observed in 2012 but the low number of individuals, relatively to older cohorts, suggests limited survival or growth of new recruits at this site, that could reflect unsuitable habitat conditions. To further explore this asumption, we investigated the relationships between mussel growth dynamics and habitat properties. The approach combined sclerochronology analyses of daily shell growth with continuous habitat monitoring for two mussel assemblages; one from the Bio-9 new settlement and a second from the V-vent site unreached by the lava flow. At both vent sites, semi-diurnal fluctuations of abiotic conditions were recorded using sensors deployed in the mussel bed over 5 to 10 days. These data depict steep transitions from well oxygenated to oxygen-depleted conditions and from alkaline to acidic pH, combined with intermittent sulfide exposure. These semi-diurnal fluctuations exhibited marked changes in amplitude over time, exposing mussels to distinct regimes of abiotic constraints. The V-vent samples allowed growth patterns to be examined at the scale of individual life and compared to long-term records of habitat temperature and oceanographic mooring data in the years following the eruption. Both shell growth and habitat temperature at V-vent varied over the spring-neap tidal cycle and over longer periods of c.a. 60 days. The correlation of growth rate with temperature and, for some individuals, with current velocities supports the idea that tidal forcing impacts growth. Its influence on habitat conditions includes the spring-neap cycle, which is not reflected in current velocities but influences the venting rate. Additionally, it is expected that mesoscale eddies periodically passing across the ridge imprint shell growth through the influence of bottom current on the decimeter-thick mixing interface where mussels thrive. We conclude that diurnal-semidiurnal tidal fluctuations exert major abiotic constraints on B. thermophilus mussels and that low-frequency fluctuations act as significant determinants on growth. Finally, we postulate that the modulation of tidal fluctuations by large-scale hydrodynamic forcing ultimately constrains the capacity of this mussel species to form high biomass aggregations. This study indeed shows that the absence of these strong hydrodynamic drivers would limit the alternance of oxic and sulfidic conditions and significantly affect the growth rate of this species over time. (C) 2015 Elsevier Ltd. All rights reserved.},
	keywords = {HOV Alvin (Human Occupied Vehicle)},
	issn = {0967-0637},
	doi = {10.1016/j.dsr.2015.10.003},
	author = {Nedoncelle, K and Lartaud, F and Pereira, L Contreira and Yuecel, M and Thurnherr, A M and Mullineaux, L and Le Bris, N}
}
@article {Bennett2011,
	title = {{Dissolved and particulate organic carbon in hydrothermal plumes from the East Pacific Rise, 9 degrees 50'N}},
	journal = {Deep-Sea Research. Part I: Oceanographic Research Papers},
	volume = {58},
	number = {9},
	year = {2011},
	pages = {922{\textendash}931},
	abstract = {Chemoautotrophic production in seafloor hydrothermal systems has the potential to provide an important source of organic carbon that is exported to the surrounding deep-ocean. While hydrothermal plumes may export carbon, entrained from chimney walls and biologically rich diffuse flow areas, away from sites of venting they also have the potential to provide an environment for in-situ carbon fixation. In this study, we have followed the fate of dissolved and particulate organic carbon (DOC and POC) as it is dispersed through and settles beneath a hydrothermal plume system at 9{\textdegree}50'N on the East Pacific Rise. Concentrations of both DOC and POC are elevated in buoyant plume samples that were collected directly above sites of active venting using both DSV Alvin and a CTD-rosette. Similar levels of POC enrichment are also observed in the dispersing non-buoyant plume, \~{}500~m downstream from the vent-site. Further, sediment-trap samples collected beneath the same dispersing plume system, show evidence for a close coupling between organic carbon and Fe oxyhydroxide fluxes. We propose, therefore, a process that concentrates POC into hydrothermal plumes as they disperse through the deep-ocean. This is most probably the result of some combination of preferential adsorption of organic carbon onto Fe-oxyhydroxides and/or microbial activity that preferentially concentrates organic carbon in association with Fe-oxyhydroxides (e.g. through the microbial oxidation of Fe(II) and Fe sulfides). This potential for biological production and consumption within hydrothermal plumes highlights the importance of a multidisciplinary approach to understanding the role of the carbon cycle in deep-sea hydrothermal systems as well as the role that hydrothermal systems may play in regulating global deep-ocean carbon budgets.},
	keywords = {HOV Alvin (Human Occupied Vehicle)},
	issn = {0967-0637},
	doi = {10.1016/j.dsr.2011.06.010},
	url = {http://dx.doi.org/10.1016/j.dsr.2011.06.010},
	author = {Bennett, S A and Statham, P J and Green, D R H and Le Bris, N and McDermott, J M and Prado, F and Rouxel, O J and Von Damm, K L and German, C R}
}
@article {Pradillon2009,
	title = {{Development of assemblages associated with alvinellid colonies on the walls of high-temperature vents at the East Pacific Rise}},
	journal = {Deep-Sea Research. Part II: Topical Studies in Oceanography},
	volume = {56},
	number = {19-20},
	year = {2009},
	pages = {1622{\textendash}1631},
	keywords = {HOV Alvin (Human Occupied Vehicle)},
	issn = {0967-0645},
	doi = {10.1016/j.dsr2.2009.05.009},
	url = {http://dx.doi.org/10.1016/j.dsr2.2009.05.009},
	author = {Pradillon, F and Zbinden, M and Le Bris, N and Hourdez, S and Barnay, A S and Gaill, F}
}
@article {Fisher2007a,
	title = {{Hydrothermal Vent Ecosystems}},
	journal = {Oceanography},
	volume = {20},
	number = {1},
	year = {2007},
	month = {mar},
	pages = {14{\textendash}23},
	issn = {1042-8275},
	doi = {10.5670/oceanog.2007.75},
	author = {Fisher, C R and Takai, K and Le Bris, N}
}
@article {Gollner2007,
	title = {{Tubeworm-associated permanent meiobenthic communities from two chemically different hydrothermal vent sites on the East Pacific Rise}},
	journal = {Marine Ecology Progress Series},
	volume = {337},
	year = {2007},
	pages = {39{\textendash}49},
	keywords = {HOV Alvin (Human Occupied Vehicle)},
	issn = {0171-8630},
	doi = {10.3354/meps337039},
	url = {http://dx.doi.org/10.3354/meps337039},
	author = {Gollner, S and Zekeley, J and Govenar, B and Le Bris, N and Nemeschkal, H L and Fisher, C R and Bright, M}
}
@article {Gollner2006,
	title = {{Benthic copepod communities associated with tubeworm and mussel aggregations on the East Pacific Rise}},
	journal = {Cahiers de Biologie Marine},
	volume = {47},
	number = {4},
	year = {2006},
	pages = {397{\textendash}402},
	abstract = {Variability in the structure of the meiobenthic copepod communities was studied among three vent sites on the East Pacific Rise. One of the sites was dominated by the mussel Bathymodiolus thermophilus, and the other two of the sites were dominated by the tubeworm Riftia pachyptila. In addition to the differences in the dominant megafauna, the maximum temperatures were much lower at the mussel-dominated sites, and the temperature to sulfide ratio was different between the tubeworm-dominated sites. A total of 22 vent endemic siphonostomatoid copepod species and 5 harpacticoid copepod species were identified among the three sites. Copepod abundance was low at all sites (},
	keywords = {HOV Alvin (Human Occupied Vehicle)},
	issn = {0007-9723},
	author = {Gollner, S and Zekely, Julia and Van Dover, C L and Govenar, B and Le Bris, N and Nemeschkal, H L and Bright, M}
}
@article {LeBris2006,
	title = {{Variability of physico-chemical conditions in 9 degrees 50{\textquoteright}N EPR diffuse flow vent habitats}},
	journal = {Marine Chemistry},
	volume = {98},
	number = {2-4},
	year = {2006},
	pages = {167{\textendash}182},
	keywords = {HOV Alvin (Human Occupied Vehicle)},
	issn = {0304-4203},
	doi = {10.1016/j.marchem.2005.08.008},
	url = {http://dx.doi.org/10.1016/j.marchem.2005.08.008},
	author = {Le Bris, N and Govenar, B and LeGall, C and Fisher, C R}
}
@article {Govenar2005,
	title = {{Epifaunal community structure associated with Riftia pachyptila aggregations in chemically different hydrothermal vent habitats}},
	journal = {Marine Ecology Progress Series},
	volume = {305},
	year = {2005},
	pages = {67{\textendash}77},
	keywords = {HOV Alvin (Human Occupied Vehicle)},
	issn = {0171-8630},
	doi = {10.3354/meps305067},
	url = {http://dx.doi.org/10.3354/meps305067},
	author = {Govenar, B and Le Bris, N and Gollner, S and Glanville, J and Aperghis, A B and Hourdez, S and Fisher, C R}
}
@article {Pradillon2005a,
	title = {{Influence of environmental conditions on early development of the hydrothermal vent polychaete Alvinella pompejana}},
	journal = {Journal of Experimental Biology},
	volume = {208},
	number = {8},
	year = {2005},
	pages = {1551{\textendash}1561},
	keywords = {HOV Alvin (Human Occupied Vehicle)},
	issn = {0022-0949},
	doi = {10.1242/jeb.01567},
	url = {http://dx.doi.org/10.1242/jeb.01567},
	author = {Pradillon, F and Le Bris, N and Shillito, B and Young, C M and Gaill, F}
}
@article {Colaco2002,
	title = {{Delta 13C signature of hydrothermal mussels is related with the end-member fluid concentrations of H2S and CH4 at the Mid-Atlantic Ridge hydrothermal vent fields}},
	journal = {Cahiers de Biologie Marine},
	volume = {43},
	number = {3-4},
	year = {2002},
	pages = {259{\textendash}262},
	keywords = {HOV Alvin (Human Occupied Vehicle)},
	issn = {0007-9723},
	url = {http://www.sb-roscoff.fr/cbm/?execution=e1s2{\&}{\_}eventId=viewarticledetails{\&}articleId=3940},
	author = {Colaco, A and Dehairs, F and Desbruyeres, D and Le Bris, N and Sarradin, P -M}
}
@article {LeBris2000,
	title = {{A new chemical analyzer for in situ measurement of nitrate and total sulfide over hydrothermal vent biological communities}},
	journal = {Marine Chemistry},
	volume = {72},
	number = {1},
	year = {2000},
	pages = {1{\textendash}15},
	issn = {0304-4203},
	doi = {10.1016/S0304-4203(00)00057-8},
	url = {http://dx.doi.org/10.1016/S0304-4203(00)00057-8},
	author = {Le Bris, N and Sarradin, P -M and Birot, D and Alayse-Danet, A M}
}
