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Título

Soil effects of afforested tree species: trace elements stabilization and carbon sequestration

AutorMarañón, Teodoro ; Navarro-Fernández, Carmen M. ; Domínguez, María Teresa ; Madejón, Paula ; Murillo Carpio, José Manuel
Palabras claveTree-soil interactions
Soil remediation
Trace elements
Phytostabilization
Guadiamar Green Corridor
Mediterranean trees
Fecha de publicación21-sep-2015
ResumenTree-soil interactions are complex and depend on the site conditions. Here we present results from the Guadiamar Green Corridor (Sevilla, Spain). A former cropland was affected by a mine-spill (in 1998), then the soil was cleaned-up, remediated and afforested with several native shrub and tree species. In 2014 we studied biogeochemical processes in seven of the afforested tree species, three deciduous (Populus alba, Celtis australis, Fraxinus angustifolia) and four evergreen (Quercus ilex, Olea europaea, Ceratonia siliqua and Pinus pinea). We sampled five replicates of each tree species and the soil underneath in a random block design, including adjacent open soils as reference. We studied the differential effects of the contrasted tree species on two ecosystem services: 1) the regulation of soil quality by immobilization of trace elements (the remediation technique called “phytostabilization”), and 2) the mitigation of climate change by carbon sequestration in biomass and soils.
DescripciónCommunication presented at the Session "Biogeochemistry in terrestrial and aquatic system", in the 13th European Ecological Federation (EEF) Conference, Rome, 21-25 September 2015.
URIhttp://hdl.handle.net/10261/122732
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