Relationship between texture and fractions of inorganic phosphorus in the surface sediment of a reservoir |
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Authors: | Nestor A. Gabellone C. Guisande |
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Affiliation: | (1) Cátedra de Ecología General, Facultad de Ciencias Naturales y Museo 1900, La Plata, Argentina;(2) Present address: Dto. Ecología, Facultad de Biología, Apdo. 1095, 41080 Sevilla, España;(3) Departamento de Ecología, Facultad de Biología, Apdo. 1095, 41080 Sevilla, España |
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Abstract: | Inorganic P was fractionated into three categories (NaOH-, BD- and HCI-extractable) for 30 surface sediment samples in La Minilla Reservoir (Sevilla, Spain). The amount of reactive P extracted with NaOH (NaOH-RP) and with HCI (HCI-RP) correlated in a multivariate regression with the clay and sand content of the sediment. This multivariate function should aid in predicting the amount of phosphorus available to the sediment organisms, and it can also contribute to the knowledge of the phosphorus budget of the reservoir.Supported by a Grant from CSIC-CONICET. |
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Keywords: | Inorganic phosphorus sediment grain size reservoir |
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