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Compuestos de nitrógeno y fósforo en las aguas superficiales de tres zonas de la plataforma marina cubana

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Author
Montalvo, J.F.
Perigó Arnaud, E.
Martínez, M.
García, I.
Esponda, S.C.
Cesar, M.E.
García, R.
López, D.
García, N.
Blanco, M.
Date
2010

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Alternative Title
Nitrogen and phosphorus compounds in water surface in three zones of cuban marine shelf
Abstract
Entre los años 1990 y 1991 se estudió el Golfo de Guacanayabo, desde 1998 hasta 2003 se evaluó el Golfo de Batabanó y el Archipiélago Sabana Camagüey fue investigado en la etapa 2001-2005, con el objetivo de evaluar los contenidos de nitrógeno y fósforo en estas tres regiones de la plataforma marina cubana y establecer las relaciones existentes entre ambos nutrientes. Los golfos de Guacanayabo y Batabanó poseen un mayor potencial de nitrógeno y fósforo que el ecosistema costero Sabana-Camagüey, debido al menor desarrollo de la red fluvial en este ecosistema, aunque en las tres regiones las concentraciones de estos compuestos están bajo una acentuada influencia antropogénica. La relación nitrógeno total-fósforo total N.T./P.T., mostró una tendencia a decrecer en regiones con cobertura de pastos marinos, atribuido a las cantidades de fósforo que aportar los mismos a la matriz agua, aunque predominaron los valores en que ninguno de los nutrientes es restrictivo y a diferencia de la relación nitrógeno total inorgánico-fósforo inorgánico NTI/P no tiene un patrón bien definido en los diferentes períodos climáticos
The Gulf of Guacanayabo was studied in 1990 and 1991. The Gulf of Batabanó was evaluated from 1998 to 2003, and Sabana-Camagüey Archipelago was investigated in the stage 2001-2005. The objective of these researches was to evaluate nitrogen and phosphorus contents in these three regions of Cuban marine shelf and to establish the relations existing between both nutrients. The gulfs of Guacanayabo and Batabanó have a greater nitrogen and phosphorus potential than Sabana-Camagüey coastal ecosystem, due to the lesser development of the fluvial network in this ecosystem; although in the three regions the concentrations of these compounds receive a marked anthropogenic influence. The total nitrogen-total phosphorus ratio, N.T./P.T., showed a tendency to decrease in regions with seagrass cover, attributed to the amounts of phosphorus that this biotope contributes to the water matrix, although the predominant values were those in which none of the nutrients is restrictive, and unlike the total inorganic nitrogen-inorganic phosphorus ratio, NTI/P, it does not have a well-defined pattern in the different climatic periods.
Journal
Serie Oceanológica
Issue/Article Nr
7
Publisher or University
Instituto de Oceanología
Resource/Dataset Location
http://oceanologia.redciencia.cu/articulos/articulo73.pdf
URI
http://hdl.handle.net/1834/3667
Collections
1. Serie Oceanológica

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