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dc.contributor.authorAvila Alonso, D.
dc.contributor.authorGuimaraes Bermejo, M.
dc.contributor.authorCárdenas Ortiz, R.
dc.date.accessioned2013-07-19T19:42:21Z
dc.date.available2013-07-19T19:42:21Z
dc.date.issued2013en
dc.identifier.citationRevista de Investigaciones Marinas, 33 (1), p. 14-22es
dc.identifier.issn1991-6089*
dc.identifier.urihttp://hdl.handle.net/1834/4929
dc.description.abstractSe determinó la variación espacio-temporal de la biomasa de los grupos morfo-funcionales de macroalgas y su relación con las variables ambientales: temperatura, salinidad, oxígeno disuelto y precipitaciones en dos localidades (laguna y playa) de pastizales al Norte de Ciego de Ávila desde marzo de 2010 a febrero de 2011. Las colectas se realizaron utilizando marco cuadrado de 25 cm de lado y se tomaron 15 unidades de muestreo en cada sitio. Se determinaron cinco grupos morfo- funcionales: foliosas y globosas, coriáceas, filamentosas, corticadas y calcáreas articuladas, presentando variaciones espacio- temporales los dos últimos. La laguna tuvo menor diversidad algal (13 géneros) y mayor biomasa total determinado por el aporte de las calcáreas articuladas, mientras que la playa fue más diversa (26 géneros) y menos productiva. Los picos máximos se presentaron en verano debido al enriquecimiento producto del arrastre por las lluvias y los mínimos en primavera. Las variaciones espaciales pudieron estar dadas por las diferencias del régimen hidrodinámico, los nutrientes y el sustrato. La variación temporal de la biomasa de las corticadas y filamentosas mostró correlación con valores elevados de salinidad y oxígeno disuelto y las calcáreas articuladas y coriáceas lo fueron para valores elevados de temperatura y precipitaciones.es
dc.description.abstractThe biomass spatio-temporal variations of different macroalgae morpho-functional groups were determined as well as their relation with environmental variables such as: salinity, temperature, dissolved oxygen and precipitations in two localities (lagoon and beach) of the seagrass in the northern coast of Ciego de Avila, from March 2010 to February 2011. The samples were collected using a 25-cm-square and 15 sampling units were placed per site. Up to five morpho-functional groups were identified: sheet, thick-leathery, filamentous, coarsely-branched and jointed-calcareous. The last two groups showed spatio- temporal variations. The lagoon showed comparatively low diversity (13 macroalgae genera), but high biomass values owing to the calcareous articulate contributions. On the contrary, the sandy beach exhibited higher diversity (26 genera) but lower productivity. The highest biomass values were recorded in summer because of an increased nutrient level from precipitations and lowest figures during spring. The spatial variations were best explained by the differences in hydrodynamic regimes, nutrients and substratum between sampling sites. The temporal biomass variations of coarsely-branched and filamentous were correlated with high salinity and dissolved oxygen; meanwhile jointed-calcareous and thick-leathery group’s biomasses were correlated with high temperatures and precipitations.en
dc.language.isoesen
dc.rights.urihttp://creativecommons.org/licenses/by-nc/3.0/en
dc.titleVariación espacio-temporal de grupos morfo-funcionales de macroalgas en pastos marinos al norte de Ciego de Ávila, Cubaes
dc.typeJournal Contribution*
dc.bibliographicCitation.endpage22en
dc.bibliographicCitation.issue1en
dc.bibliographicCitation.stpage14en
dc.bibliographicCitation.titleRevista de Investigaciones Marinases
dc.bibliographicCitation.volume33en
dc.description.statusPublisheden
dc.description.othermorpho-functional groupen
dc.description.othermacroalgaeen
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dc.subject.asfaBiomassen
dc.subject.asfaMorphometric analysisen
dc.subject.asfaAlgaeen
dc.subject.asfaSeagrassen
dc.subject.asfaEnvironmental factorsen
dc.type.refereedRefereeden
dc.type.specifiedArticleen
refterms.dateFOA2021-01-30T18:48:03Z


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