• Colonisation of wood falls

    Colonisation of wood falls

    Wood fall represent a substantial organic resource for specialized species able to degrade this refractory material or use secondary degradation products (e.g. sulfide) as energy source to fix carbon.  We Read More
  • Deep-water coral growth

    Deep-water coral growth

    The growth of cold water corals was rarely quantified in natural deep-water environments. We developped a mark and recapture method to adress this question on coral fragments of Lophelia pertusa Read More
  • Lacaze-Duthiers canyon study site : a climate-sensitive deep-sea hotspot

    Lacaze-Duthiers canyon study site : a climate-sensitive deep-sea hotspot

    The head of the Lacaze-Duthiers canyon in the southern end of the Gulf of Lion is located only 15 miles from the coast. This incision in the continental shelf ranges Read More
  • Chemosynthesis and succession of hydrothermal species

    Chemosynthesis and succession of hydrothermal species

    We aim to investigate the response of hydrothermal ecosystem to disturbance and its role in organic matter production in the deep ocean. Our focus is on the resettlement of populations Read More
  • 1
  • 2
  • 3
  • 4

Deep-water coral growth

The growth of cold water corals was rarely quantified in natural deep-water environments. We developped a mark and recapture method to adress this question on coral fragments of Lophelia pertusa and Madrepora oculata (Lartaud et al. 201Boutures devant Massif2
DOI: 10.1051/alr/2012029
).
In situ experiments at 520 meter depth have revealed that fragments of the two species grow relatively rapidely in the Lacaze-Duthiers canyon, but that Madrepora oculata  display  strong seasonal growth variation (Lartaud et al. 2014).
Current studies are exploring the links between growth and intermittent water convection events resulting of the meteorological regime in the western Mediterranean sea.