Proceedings of the Third International Workshop on Phosphorus in Sediments 1993
DOI: 10.1007/978-94-011-1598-8_6
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Factors influencing fractional phosphorus composition in sediments of Spanish reservoirs

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Cited by 10 publications
(10 citation statements)
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“…The extraction scheme defined the NaOH-NRP fraction as the major part of the organic and humic phosphorus. Similar associations registered by ULRICH (1997), LOPEZ and MORGUI (1993), PEDROZO et al (1986) and SHULKA et al (1971), were related to the presence of humic substances. At the confluence of the Lobo and Itaqueri rivers, a wetland area characterized by a dense community of macrophytes is formed.…”
Section: Resultssupporting
confidence: 79%
“…The extraction scheme defined the NaOH-NRP fraction as the major part of the organic and humic phosphorus. Similar associations registered by ULRICH (1997), LOPEZ and MORGUI (1993), PEDROZO et al (1986) and SHULKA et al (1971), were related to the presence of humic substances. At the confluence of the Lobo and Itaqueri rivers, a wetland area characterized by a dense community of macrophytes is formed.…”
Section: Resultssupporting
confidence: 79%
“…In the three central reservoirs (RS, PV, and VI) the average concentration for each reservoir surpassed 50 µmolP/g (dw), the mean value previously reported for Spanish siliceous reservoirs (Lopez and Morguí 1993).…”
Section: Discussionmentioning
confidence: 46%
“…La variabilidad de la concentración normalizada de Fe (cociente Fe/Al) en sedimento a lo largo del sistema Lozoya coincide notablemente con la variabilidad en la concentración de fósfo-ro (Figura 7). Es de destacar que los niveles de fósforo en el sedimento de estos embalses son considerablemente elevados, incluso comparados con los niveles habituales de los sistemas silícicos que presentan un valor medio cercano a los 40 µg-at·g −1 (López and Morgui, 1993). Ello concuerda con el hecho de que los oxi-hidróxidos de hierro de este sistema sean de origen autóctono (es decir, se trata de material de origen reciente), ya que en este caso es de esperar una elevada capacidad de adsorción.…”
Section: Materiales Autóctonos De Origen Abióticounclassified