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Ostrácodos recientes del Lago Caicedo de Yuso/Arreo (Cuenca del Ebro): Sistemática y ecología.

AuthorsMartín Rubio, M.; Rodríguez-Lázaro, Julio; Anadón, Pere ; Robles, F.; Utrilla, Rosa ; Vázquez, Antonio
Issue Date2002
PublisherInstituto Geológico y Minero de España
CitationRevista Española de Micropaleontología 34: 331- 358 (2002)
Abstract[Recent Ostracoda from the Caicedo de Yuso/Arreo lake (Ebro Basin, N. Spain): taxonomy and ecology] In this work we describe the taxonomy of the 20 living species of Ostracoda found in lake Caicedo de Yuso/Arreo. An updated database of the ecology and biogeography is also provided for each species. The dominant assemblage of this lake (C. ophtalmica, C. ovum and candonids) is typical of karstic carbonate lakes of high altitudes from the Iberian Peninsula, and species characterising palustrine and spring waters have been also recognised. Our results show that ostracod species occurrence in this lake is mainly controlled by the relative values of dissolved oxygen and carbon dioxyde of the bottom waters. We mention the occurrence of C. cf. meerfeldiana and P. eremita by the first time in the Iberian Peninsula. Knowledge of the detailed distribution of ostracod species in lake Caicedo de Yuso/Arreo will help in the better understanding of the biogeography of these microcrustaceans in freshwater environments in the Iberian Peninsula. Finally, these results will be particularly useful in the palaeolimnological reconstruction of Neogene lakes located in similar environments in the Ebro Basin. The stratigraphical range of C. angulata, F. cf. brevicornis and C. bispinosa, up to now described exclusively for the Quaternary, is here extended to the Pliocene-Recent interval
Identifiersissn: 0556-655X
Appears in Collections:(Geo3Bcn) Artículos
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