Restoration strategies in the Guadiamar area of southern Spain: evaluation of success ten years after the Aznalcóllar accident
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چکیده
This study summarizes the main results obtained by the research group from the Instituto de Recursos Naturales y Agrobiología de Sevilla during ten years of study in the mine spill affected area of the Guadiamar river (SW Spain). This work is focussed on 1) trace element changes in soil (total and available concentrations) and plants (native and reforested), and 2) evaluation of the effectiveness of assisted natural remediation in the restoration of polluted soils.
منابع مشابه
Recovery of the Bird Community after a Mine Spill and Landscape Restoration of a Mediterranean River
In Mediterranean areas, river systems are key for maintaining regional biodiversity by providing a high diversity of habitats. We studied bird community recovery for 9 years (2001 – 2009) during landscape restoration and Guadiamar Green Corridor establishment in the area affected by the Aznalcó llar mine spill (SW Spain, 1998). One year following plant restoration (3 years after the spill), val...
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This study is part of the Follow up Restoration Program of animal communities that colonize the Guadiamar River Basin. In 1998, the area was affected by a release of toxic sludge after the retention walls of the Aznalcóllar Mines (southern Iberian Peninsula) broke. The main objective of this study was to assess the current state of the population of Tenebrionidae, one of the most representative...
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The Guadiamar River (SW Iberian Peninsula) received a major toxic spill (6 hm) from a tailing pond in 1998 that defaunated 67 km of the main stem. Following early mud removal works, the fish assemblage was annually monitored at four affected sampling sites and one located in the upstream non-affected reach of the Guadiamar River as reference. Fish abundance and assemblage structure were analyze...
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