Abstract
The distribution and dynamics of phosphorus have been studied in the mangroves of Sepetiba Bay, Brazil. Leaf fall contributes 3.0 kg P ha=1yr=1to the sediment. The total above ground biomass of the R. mangle stand was about 65.3 t ha=1, the P accumulation was 3.9 kg P ha=1where 63% of the total P-biomass was accumulated in the leaves. The biomass of below ground roots was about 8.2 tha=1 and accumulated 16% of total P-biomass. Sediment contained 452 kg P ha=1 where P combined with calcium (P-Ca) was the main fraction (260 kg ha=1). The annual flux of P as litter fall was small (< 1%) compared to total P in the sediment reservoir. The annual export of P by macrodetritus corresponds to 0.05% of the total sediment reservoir.
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Silva, C., Mozeto, A. & Ovalle, á. Distribution and fluxes as macrodetritus of phosphorus in red mangroves, Sepetiba Bay, Brazil. Mangroves and Salt Marshes 2, 37–42 (1998). https://doi.org/10.1023/A:1009950708155
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DOI: https://doi.org/10.1023/A:1009950708155