El efecto de la temporada ciclónica 2005 sobre el fitoplancton de la Bahía de Cienfuegos, Cuba
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Date
2012
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The effect of the cyclonic season 2005 on the phytoplankton from Cienfuegos Bay, CubaAbstract
El fitoplancton es uno de los componentes más abundantes de la biodiversidad de la Bahía de Cienfuegos. Se estudió el impacto de la temporada ciclónica 2005 sobre la composición y abundancia de estos organismos en el período de marzo-octubre. La composición específica de microalgas planctónicas de la bahía en marzo estuvo dominada por diatomeas y dinoflagelados marino-estuarinos como Nitzschia longissima, Thalassionema nitzschioides y Prorocentrum micans. Al final de la temporada ciclónica, los cambios en la estructura de la comunidad fitoplanctónica fueron drásticos, prácticamente no se registró fitoplancton marino en la bahía. Las microalgas dulciacuícolas de los géneros Chlorella, Monoraphidium, Cyclotella, Aulacoseira, Pseudoanabaena, Planktothrix, Dolichospermum, Microcystis y Cryptomonas predominaron con altas concentraciones, lo cual constituye un indicador de aporte de agua dulce a este ecosistema.Phytoplankton is one of the most abundant components of biodiversity of Cienfuegos Bay. The impact of the cyclonic season 2005 on the composition and abundance of these organisms was studied from the period March to October. The specific composition of planktic microalgae of the bay in March was dominated by diatoms and dinoflagellates marine-estuarines such as Nitzschia longissima, Thalassionema nitzschioides and Prorocentrum micans. At the end of the cyclonic season, changes in the structure of phytoplanktic community were drastic; practically the marine phytoplankton was not registered at the bay. Freshwater microalgae of genus Chlorella, Monoraphidium, Cyclotella, Aulacoseira, Pseudoanabaena, Planktothrix, Dolichospermum, Microcystis and Cryptomonas predominated in high concentrations, which constitute an indicator of freshwater inflow to this ecosystem.
Journal
Revista cubana de investigaciones pesquerasVolume
29Issue/Article Nr
1Collections
Except where otherwise noted, this item's license is described as http://creativecommons.org/licenses/by-nc/3.0/