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Proliferation of Pseudo-nitzschia brasiliana and P. cf. pseudodelicatissima (Bacillariophyceae) in the Estero Santa Cruz, northern Gulf of California, Mexico

2013; University of Valparaíso; Volume: 48; Issue: 2 Linguagem: Inglês

10.4067/s0718-19572013000200019

0718-1957

Ismael Gárate‐Lizárraga, Carlos Antonio Poot-Delgado, Erick Ramsés Ramírez-Castillo, Manuel Humberto Páez-Hernández,

Marine and coastal ecosystems

A moderate bloom of Pseudo-nitzschia species occurred during collection of phytoplankton in Estero Santa Cruz, the State of Sonora, Mexico, in August 2012.The abundance of Pseudo-nitzschia in 2 samples was 84x10 3 and 160x10 6 cells L -1 .Results show the presence of 2 species, P. brasiliana and P. cf. pseudodelicatissima, which were responsible for a microalgae bloom.This is the first proliferation of P. brasiliana in the Gulf of California.P. cf. pseudodelicatissima was present in higher densities.A short morphological description is provided, including data from scanning electronic microscopy.