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Functional traits of trees and effects on soil functions and ecosystem services

AuthorsMarañón, Teodoro ; Navarro-Fernández, Carmen M. ; Domínguez, María Teresa ; Madejón, Paula ; Murillo Carpio, José Manuel
KeywordsTree-soil interactions
Ecosystem services
Soil contamination
Soil carbon
Issue Date1-Jul-2015
AbstractTree-soil interactions are complex and depend on the site conditions. The functional diversity of trees will affect differently the soil functions and ecosystem services. 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 functional traits of leaves and roots in seven of the afforested tree species, with contrasted leaf habit: deciduous (Populus alba, Celtis australis, Fraxinus angustifolia) and 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 functional traits 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.
DescriptionCommunication presented in the session "plant-soil interactions" at the 4th Iberian Congress of Ecology, Coimbra (Portugal), 16-19 June 2015.
Appears in Collections:(IRNAS) Comunicaciones congresos
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