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Relaciones suelo-pasto en superficies de tipo raña

AuthorsGarcía-Álvarez, Avelino CSIC ORCID; Ibáñez Martí, J. J.; Pastor Piñeiro, Jesús CSIC
KeywordsSuelos degradados
Issue Date1987
PublisherCSIC - Instituto Nacional de Edafología y Agrobiología José María Albareda
CitationAnales de Edafología y Agrobiología 46(9-10): 1203-1218(1987)
AbstractThis paper analyses physical and chemical properties of "rañas" soils under annual grasslands in Northern Guadalajara, Central Spain. The investigation was undertaken to know the influence of different type of grasslands on the characteristics of soils. The grasslands included oíd fields on different stage of succession, wet áreas and pastures influenced by Quercus rotundifolia, Quercus pyrenaica and Juniperus oxycedrus. Eighteen physical and chemical properties of soils were analysed showing significant differences between groups for some of thern. Two factors of variation appear to be importan! in determining differences in physical properties of soils and nutrient contents: The bioclimatic zones (Quercus rotundifolia and Quercus pyrenaica) and the land use. Other factors as soil moisture and erosión, were found to elicit a marked change not only in vegetation structure and function but in soil properties. The composition and structure of soils are discussed in relation to bioclimatic gradients and type of pasture.
Description16 páginas, ilustraciones y tablas estadísticas.
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