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  • Biomass  (1)
  • Environmental monitoring  (1)
  • 1
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    Distribución de la biomasa de las fracciones planctónicas 〈 200 μM y su contribución relativa a la biomasa total en las aguas oceánicas de la región noroccidental de Cuba. (2011)
    Universidad de La Habana, Centro de Investigaciones Marinas
    Details
    Publication Date: 2021-05-19
    Description: Se evaluó el patrón de distribución espacial así como la contribución de las fracciones del plancton a la biomasa planctónica menor de 200 μm en la región NW de las aguas oceánicas adyacentes a Cuba en muestreos realizados en época de invierno (febrero de 1997 y marzo 1999). Los valores de la biomasa bacteriana variaron entre 1.6 y 11.4 mgC m-3, del nanoplancton entre 5.2 y 20.8 mgC m-3 (Xmedia = 11.4 ± 5.4 mgC m-3) y la del microzooplancton entre 4.2 y 15.5 mgC m-3 (Xmedia = 7.9 ± 3.2 mgC m-3). El microfitoplancton presentó valores de biomasa que variaron entre 1.95 y 15.7 mgC m-3 (Xmedia = 8.8 ± 3.7 mgC m-3). Los mayores valores de biomasa de todas las fracciones estudiadas se encontraron en las aguas oceánicas adyacentes a la zona entre las bahías de Mariel y La Habana. El nanoplancton fue la fracción que más aportó a la biomasa menor de 200 μm en la capa fótica, seguida del microzooplancton, tanto en la estación con influencia costera (N.57) como en la oceánica (N.18).
    Description: Published
    Description: Aguas oceánicas, Microzooplancton, Microfitoplancton
    Keywords: Biomass ; Bacteria ; Biomass ; Bacteria ; Nannoplankton ; Oceanic waters ; Zooplankton ; Phytoplankton
    Repository Name: AquaDocs
    Type: Journal Contribution , Non-Refereed , Article
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  • 2
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    Calidad ambiental de la zona costera del Golfo de Batabanó, Cuba (2008)
    CONyMA
    Details
    Publication Date: 2021-05-19
    Description: The anthropogenic affectation was evaluated on the coast N of the Gulf of Batabanó in May 2003 (corresponding to the provinces of Matanzas and Havana), in areas located in the line of the coast. The results were compared with the historical information of the sector. In the coast N and the Ensenada of the Broa, the parameters oxygen saturation, DBO5 and DQO showed characteristic high values of eutrofication. The biggest contribution in the Cianoficies was in the near coastal areas to sources of organic contamination. In the case of the nutrients they show specific data of mesothrofic waters with tendency to the eutrofization and the silts presented a high affectation for toxic metals. The area near to Guanímar is distinguished to present conditions of organic contamination that favor heterothrofic conditions, corroborated by a prevalence of the processes of mineralization of the organic matter over primary production and lows values of fitoplankton concentration. On the contrary, in the region of Surgidero of Batabanó, the processes of synthesis of organic matter prevail suggested by a high primary production, and concentration of fitoplankton, with low breathing levels and mineralization of the organic matter, that indicates that the system is behaving autothrofically. In a general way, this sector is very affected by the anthropogenic impact. The information obtained is of great importance for the development of the fishing and tourist industries in the area.
    Description: Published
    Keywords: Phytoplankton ; Water quality ; Primary production ; Chemistry ; Environmental monitoring ; Phytoplankton ; Water quality ; Primary production ; Chemistry ; Environmental monitoring
    Repository Name: AquaDocs
    Type: Proceedings Paper
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