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Título

Dynamics of invertebrate benthic communities and drift in a regulated river of Central Spain

Autor Boyero, Luz ; Valladolid, María ; Arauzo, Mercedes
Palabras clave Lotic invertebrates
Temporal variation
Community dynamics
Regulated rivers
Benthos
Drift
Fecha de publicación 2005
EditorWiley-VCH
Citación Internat. Rev. Hydrobiol 90(4): 392-411 (2005)
ResumenWe document invertebrate benthic and drift dynamics in a regulated river in central Spain at two temporal scales: seasonal (for both benthos and drift) and daily (for drift). The benthic abundance of individuals and taxon richness generally increased in the summer. Drift abundance showed no seasonal or daily variation, but taxon richness of drifting individuals was higher in the spring. Both benthos and drift showed clear seasonal changes in taxonomic composition. Interestingly, some benthic taxa showed their highest abundances in the spring, while others were more abundant in the summer. In contrast, most drifting taxa were more abundant in the spring. Different functional feeding groups showed different patterns of variation throughout the year, both in the benthos and the drift. Daily variations in drift were present in very few taxa and functional feeding groups, and only in some seasons.
Descripción 20 pages, figures, and tables statistics.
Versión del editorhttp://dx.doi.org/10.1002/iroh.200410805
URI http://hdl.handle.net/10261/35301
DOI10.1002/iroh.200410805
ISSN1434-2944
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