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Revista mexicana de biodiversidad
versión On-line ISSN 2007-8706versión impresa ISSN 1870-3453
Resumen
MURTAUGH, Michael P. y HERNANDEZ, Luis. Checklist of the macro-fauna recruited onto suspended artificial substrate in Bahía Concepción, Baja California Sur, Mexico. Rev. Mex. Biodiv. [online]. 2014, vol.85, n.2, pp.402-413. ISSN 2007-8706. https://doi.org/10.7550/rmb.34225.
Human settlements along the marine coastlines have brought with them anthropic pressures that affect the natural biota. To decrease the pressures caused by fisheries in Baja California Sur, the regional fisheries research center has begun marine farming of the spotted rose snapper (Lutjanus guttatus) in Bahía Concepcion. The placement of farming materials in the marine environment also acts as favorable substrate for the colonization and recruitment of many unwanted marine organisms. To evaluate the seasonal change of fauna recruiting onto farming materials, this study used the help of local fishermen to possibly expand fish farming in Bahía Concepcion. The biofouling assemblage that is later listed was obtained by submerging 3 modules of 4 oyster boxes each for a month; then all organisms were identified and counted, the modules were cleaned, and submerged again for the following month. This methodology was repeated during a year-round cycle, and by this means a total of 75 species were identified, out of which 14% had expanded their distribution. Moreover, a 42% Jaccard similarity was registered between the warm and cold season, which demonstrates a noticeable seasonal change in the biofouling assemblages.
Palabras llave : Nestier boxes; recruitment; Olmstead Tukey; Gulf of California; inventory.