Browsing by Subject "Río Guadiamar"

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    The bryophyte diaspore bank in soils affected by the Aznalcóllar (Seville, SW Spain) mine disaster
    (Murcia: Universidad de Murcia, Servicio de Publicaciones, 2003) Ordóñez Sánchez, Alejandro; Cano Bernabé, María Jesús; Guerra Montes, Juan; Biología Vegetal; Facultad de Biología
    The tailings dam failure of the pyrite mine in Aznalcóllar released toxic tailings slurries and liquid that contaminated soils and water throug hout the Guadiamar basin. In this study we attempt to ascertain the recovery state of the zone four years after the dam failure, based on a study of the soil diaspore bank and the method of cultivating soil plots and determining the germinated species. Four localities were selected in the middle zone of the basin. Once the plots were established (five in each locality), they were divided into four groups, depending on the culture conditions. Soil samples were also taken for the analysis of heavy metals and edaphic parameters. Data seem to show that four years after the dam failure soils have started a slow recovery and hea vy metal levels are decreasing.
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    Bryophyte diversity in the Guadiamar river basin (SW of Spain)
    (Murcia: Universidad de Murcia, Servicio de Publicaciones, 2002) Cano Bernabé, María Jesús; Gallego Morales, María Teresa; Guerra Montes, Juan; Jiménez Fernández, Juan Antonio; Ros Espín, Rosa María; Sin departamento asociado; Facultad de Biología
    A study of the bryophyte flora of the Guadiamar river basin (southwes tern Spain) was carried out. Forty-one localities along this river and its main tributaries were sampled. A total of 123 taxa are mentioned, of which 93 are mosses, 27 liverworts and 3 hornworts. Scopelophila cataractae (Mitt.) Broth., which grows exclusively on soils rich in heavy metals, is the second record from the Iberian Peninsula