ABSTRACT(Litter production and nutrient cycling in a reforested area and a seasonal semideciduous forest in southern Brazil). Th e aim of this study was to evaluate litter production, N, P, K, Ca and Mg content, nutrient transfer, and litter decomposition rate of a seasonal semideciduous forest and an adjacent reforested area. Th e study was carried out in Godoy Forest State Park (GFST), Paraná state, Brazil. Estimated annual litter production was 8,212 kg.ha -1 .year -1 in the forest and 5,341 kg.ha -1 .year -1 in the reforested area. Th e forest presented higher deposition in post-drought months (September and October). In both areas nutrient concentration (g.kg -1 ) followed the same order in forest -Ca(31.85) > N(19.94) > K(7.14) > Mg(2.28) > P(0.217), and reforested area -Ca(23.02) > N(19.62) > K(7.67) > Mg(1.74) > P(0.302). Nutrient transfer varied more during the year and the decomposition rate was lower in the reforested area. Acta Botanica Brasilica 25(1): 53-57. 2011.
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