Irrigation was used to study the consequences of seasonal drought for nutrient release and bacterial and fungal numbers during dry season litter decomposition in tropical forest on Barro Colorado Island, Panama. Litter bags containing a single species of leaves were placed beneath conspecific trees at the onset of the dry season in December 1987 and collected at one-month intervals until the onset of the wet season in May 1988. Serial dilutions were used to quantify densities of fungi and bacteria. Nutrient concentrations in recalcitrant litter fractions showed rapid declines in the first month of exposure (K, P) followed by bioaccumulation (N) or no significant changes over the next four months (P, K, Mg and most Ca) (...)
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Cornejo et al. (1994) studied this question.