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Habitat quality affects the condition of Luciobarbus sclateri in the Guadiamar River (SW Iberian Peninsula): Effects of disturbances by the toxic spill of the Aznalcóllar mine

de Miguel, RJ and Oliva-Paterna, FJ and Galvez-Bravo, L and Fernández-Delgado, C (2013) Habitat quality affects the condition of Luciobarbus sclateri in the Guadiamar River (SW Iberian Peninsula): Effects of disturbances by the toxic spill of the Aznalcóllar mine. Hydrobiologia, 700 (1). pp. 85-97. ISSN 0018-8158

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Abstract

This study analyzes the somatic condition of southern Iberian barbel Luciobarbus sclateri (Günther, 1868) in the Guadiamar River (SW Iberian Peninsula). This river was seriously affected by a toxic spill of about 4 million cubic meters of acidic water and 2 million cubic meters of mud rich in heavy metals. Once the spill removal works concluded, sites affected and unaffected by the accident were sampled to study its effects on the fish fauna. The ecological variables registered were related to water quality, physical state of reaches, ecological quality, resources exploited by fish, and potential intra-specific interactions. From an initial 15 ecological variables, seasonal water flow and pH explained most of the variation in barbel condition. This study shows that the Guadiamar River, 56 months after the accident, is still undergoing a recovery process where, beyond ecological variables, proximity to the affected area is the most influential factor for fish condition. © 2012 Springer Science+Business Media B.V.

Item Type: Article
Additional Information: The final publication is available at Springer via http://dx.doi.org/10.1007/s10750-012-1211-0
Uncontrolled Keywords: 04 Earth Sciences, 05 Environmental Sciences, 06 Biological Sciences
Subjects: G Geography. Anthropology. Recreation > GE Environmental Sciences
Q Science > QH Natural history
Divisions: Natural Sciences and Psychology
Publisher: Springer
Date Deposited: 06 Apr 2016 12:54
Last Modified: 06 Sep 2017 18:56
DOI or Identification number: 10.1007/s10750-012-1211-0
URI: http://researchonline.ljmu.ac.uk/id/eprint/3394

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