Presença de briozoários nos vulcões de lama do Golfo de Cádiz
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AuthorsRamalho, Lais V.; Rueda, J.L. (José Luis); Reverter-Gil, Oscar; Souto, Javier; López-Fé, Carlos M.
Editor/sDíaz-del-Río-Español, V. (Víctor); Bárcenas, Patricia; Fernández-Salas, L.M. (Luis Miguel); López-González, N. (Nieves); Palomino, D. (Desirée); Rueda, J.L. (José Luis); Sánchez-Guillamón, O. (Olga); Vázquez, J.T. (Juan Tomás)
Gulf of Cádiz
The Gulf of Cádiz, located in the NE Atlantic Ocean, between the Iberian Peninsula and northern Africa, contains more than 50 mud volcanoes (MVs). MVs are seafloor edifices that result from the release of mud, brine and hydrocarbon fluids in areas with gas-rich over pressure sediments. These MVs are in different stages of seepage activity, bearing a broad diversity of chemosymbiotic and heterotrophic organisms. Some previous works focussed on the bryozoans from some areas of the Gulf of Cádiz (e.g. López de la Cuadra & García Gómez, 1994, Harmelin & d’Hondt, 1992a, b) however, information on bryozoans colonizing the different substrate types (bioclasts, authigenic carbonates, mud breccias) of MVs is almost nule. During 2010 and 2011 and within the framework of the INDEMARES-CHICA project, 25 samples were collected with beam trawl and benthic dredge at six MVs (Gazul, Almazán, Aveiro, Pipoca, Tarsis and Chica). Forty-five taxa belonging to 26 families and 31 genera were identified. ...
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