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DIGITAL.CSIC
Article . 2016 . Peer-reviewed
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Influencia de la ruptura de la termoclina sobre la comunidad de rotíferos planctónicos de una laguna meromíctica (Las Madres, Madrid)

Authors: Velasco, José Luis; Álvarez Cobelas, Miguel; Rubio, Ángel;

Influencia de la ruptura de la termoclina sobre la comunidad de rotíferos planctónicos de una laguna meromíctica (Las Madres, Madrid)

Abstract

[ES]Desde finales de verano hasta mediados de otoño de 1991 se tomaron muestras, diariamente, en una laguna de gravera próxima a Madrid. Se determinaron diversos parámetros físico-químicos a partir de muestras tornadas a diferentes profundidades en la zona pelágica. La desaparición de la temoclina tuvo lugar lentamente manteniéndose constantemente una fuerte oxiclina que discriminará claramente la distribución vertical de las diferentes especies de rotíferos planctónicos, de las que solo seis de ellas: Polyarthra dolichoptera, P. remata, Hexarthra oxyuris, H. mira, Anuraeopsis fissa y Filinia hofmanni, representan el 98% de la densidad total de población. Este trabajo aporta información detallada de los cambios que se producen en la estructura de la comunidad de rotíferos cuando desaparece la estratificación térmica del verano y aumenta la profundidad de la zona de agua mezclada del epilimnion. El período de tiempo de este estudio se prolongó durante tres meses.

[EN] Las Madres Lake is a shallow, oligo-mesotrophic, gravel-pit lake close to Madrid (Spain). In this paper we report the influence of the summer stratiphication-autumm overturn transition on the rotifers community. The existence of oxycline and anoxic hypolimnion explain the presence of Anuraeopsis fissa and Fi/inia holmanni: these species can colonize the environments where the oxygen concentration is very low. Polyarthra spp. and Hexarthra spp. are the main species.

Diez páginas, 9 figuras y 2 tablas. Los autores quieren señalar: "AGRADECIMIENTOS - A Angel Baltanás y María Valladolid que participaron en la «interminable» toma de muestras y en la realización de los análisis."

CSIC- Museo Nacional de Ciencias Naturales

CSIC- Centro de Ciencias Medioambientales

Peer reviewed

Country
Spain
Related Organizations
Keywords

Laguna de gravera, Distratifications, Ruptura termoclina, Meromixis, Rotíferos planctómicos, Distribución vertical, Planktonic rotifers, Succession, Sucesión

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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