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Phosphorus turnover in a Castanea sativa forest of the Sierra de Gata mountains (province of Caceres, Spain)

AuthorsGallardo, Juan F. ; Turrión, B.; Moreno, G.; Martín, A.; Gallego, H. A.; González Hernández, M. I.; Rico Rodríguez, M.; Santa Regina, Ignacio ; Schneider, K.; Menéndez, I.
Issue Date1993
CitationProceedings of the International Congress on chestnut, Spoleto, 20-23 de octubre : 413-416 (1993)
AbstractA description is given of the cycle and dynamics of phosphorus in a forest ecosystem composed of Castanea sativa situated in the "Sierra de Gata" mountains in Central-Western Spain, considering different compartments. The greatest amounts of P are found in the soil of the ecosystem. At soil level, the fractions of this element are classified according to their ecological relevance, 41% corresponding to P of rapid turnover and 49% corresponding to slow turnover P. The aboveground biomass of the tree covering constitutes a small fraction compared with the total amount of P (2.3%). The annual accumulation of P in the biomass and the amount of P recycled to the soil by the soil in litterfall are calculated, together with the amount flowing in the water rain after it has crossed the tree canopy. The values of P transferred among the different compartments of the ecosystem and plant fractions are calculated using mass balance.
Description4 páginas, 1 figura
Appears in Collections:(IRNASA) Comunicaciones congresos
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