Recent and historical climate variability effects on the population dynamics of several marine species

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Submarine emissions on the seafloor : from cold seeps to hot vents

[EN] The main types of submarine geological emissions are classified as cold seeps (hydrocarbons and brines) and hot vents. These processes result in the emission of geological fluids: brine, gases (mainly hydro-carbons), sediments and rocks. Submarine emissions are associated with an intensive geological, geo-chemical, thermal and biological activity (Judd and Hovland, 2007), and constitute a key process in the dynamics of the global cycles of the planet Earth.