APORTE E DECOMPOSIÇÃO DE SERAPILHEIRA EM FLORESTA PERIODICAMENTE INUNDÁVEL NA RESTINGA DA MARAMBAIA, RJ

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ID: 73390
2012
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Abstract
Restinga (sandbank) areas are fragile environments, which have been subjected to anthropogenic pressures since the country colonization. So that mitigate actions can be taken, it must be developed studies to better understand the ecological processes in these environments. Thus, this study aims to quantify litter and nutrients devolution and litter decomposition in a periodically flooded forest in ¿Restinga da Marambaia¿, Rio de Janeiro. In the study area 10 conic collectors and 30 litter bags were installed. The annual litter devolution was 7.64 Mg.ha-1, and September was the highest contribution month. Nitrogen was the element returned to the soil to a higher amount (71.9 kg ha-1 yr-1), followed by potassium (41.1 kg ha-1 yr-1). Litter decomposition rate 0.0015 g g-1 day-1 and the halflife were 462 days. Potassium was the element that showed the highest losses in comparison to the others. Cellulose appeared as a major participant in the structure of leaf litter, followed by lignin, the latter being associated with the leathery texture of the leaves in this formation.
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pereira2012aportecincia Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Pereira, Marcos Gervasio;Silva, Avelino Nogueira;Paula, Ranieri Ribeiro;Menezes, Luiz Fernando Tavares;
Journal ciência florestal
Year 2012
DOI
DOI not found
URL
http://www.redalyc.org/articulo.oa?id=53423372006
Keywords
Biology (General) Medicine Biotechnology Science general works agriculture forestry

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