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Vegetation and pH implications on the dynamic of soil organic matter at high-mountain shrubs ecosystems from Sierra Nevada National Park (Granada, Spain)

AuthorsColchero-Asencio, M.; San Emeterio, Layla M. ; González-Pérez, José Antonio ; Bárcenas, G.M.
Issue Date23-Jun-2019
PublisherInternational Union of Soil Sciences
CitationISMOM 2019. 8th International Symposium on Interactions of Soil Minerals with Organic Components and Microorganisms págs. (2019)
AbstractDuring the last decade soil organic matter dynamic and its determining factors have received an increased attention mainly due to the evident implication of these parameters in climate change understanding predictions and possible management. High-mountain soil could be consider as hotspot of climate change dynamic since its high carbon accumulation and low organic matter degradation rates could be seriously altered by slight changes in temperature and rainfall regimens associated to climate change effects. In the particular case of Sierra Nevada National Park this threat could be even stronger due to its Southern character although its elevated biodiversity could shed some light on how could we predict and manage climate change in the future. In this study we selected different sampling areas with distinct soil pH (area A with pH7) and vegetation (high-mountain shrubs and pine reforested area). Soil samples were collected under the influence of several plant species representatives of each vegetation series. Six different kind of samples were finally obtained (five replicates each); three were collected in area A under Juniperus communis ssp. Nana (ENE) Genista versicolor (PIO) and Pinus sylvestris (PSI) and other three were collected in area B under Juniperus Sabina (SAB) Astragalus nevadensis (AST) and Pinus sylvestris (PCA). Quantitative and qualitative organic matter characterization and soil microbial biomass and activity were measure in order to evaluate the implication of soil pH and vegetation in soil organic dynamic at this particular high-mountain environment at Sierra Nevada National Park
DescriptionComunicación oral presentada en el ISMOM 2019 - 8th International Symposium on Interactions of Soil Minerals with Organic Components and Microorganisms: 23-28 june, Sevilla (Spain)
Appears in Collections:(IRNAS) Comunicaciones congresos
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