Abstract
<p>Species composition and abundance of the phytoplankton community in Acapulco Bay, Mexico, were studied from May to December 2009. Samples were collected at 5 stations (4 coastal and 1 oceanic) at 3 depths (1, 5 and 10 m). Eighty-seven species were identified: 54 dinoflagellates, 32 diatoms and 1 silicoflagellate. The community was structured mainly by adiaphoric species, that is, species adapted to both neritic and oceanic environments. Species abundance and composition varied significantly during the sampling period due to increased nutrient concentrations in the rainy season. Dinoflagellate species were more abundant during the dry season, and diatom species dominated numerically during the rainy season.</p>
Highlights
Acknowledgements: this research was partially financed by the Conacyt and the State of Guerrero through the project “Estudio ecológico de la Bahía de Acapulco” (FOMIX 2008-01)
Temperature fluctuations are not as extreme in tropical marine areas as those seen in temperate or cold latitudes, suggesting that ly this environmental parameter is not very informative in terms of species composition in n tropical phytoplankton communities.[9]
The fluco tuations in salinity values that were observed can be attributed to freshwater flowing into the e bay during the rainy season (June to s November)
Summary
Acknowledgements: this research was partially financed by the Conacyt and the State of Guerrero through the project “Estudio ecológico de la Bahía de Acapulco” (FOMIX 2008-01) It was partially financed through the PROMEP (Programa de Mejoramiento del Profesorado) as part of the collaborative project “Calidad Ambiental y Desarrollo Sustentable” of which all the authors are participants. Species composition and abundance of the ly phytoplankton community in Acapulco Bay, Mexico, were studied from May to December n 2009. N This community’s structure is dictated by two no studies assessing the phytoplankton species composition in Acapulco Bay, Mexico. The aim of the present study was to document current species composition and abundance in the phytoplankton community of Acapulco Bay, and quantify any temporal variation in these variables
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