Seasonal dynamics of nutrient release from decomposing Kandelia candel fallen leaves

Abstract

Abstract: Seasonal dynamics of K,Ca,Mg and Preleases from decomposing Kandelia candel fallen leaves at Jiuiongjiang River estuary of Fujian province are studied. The results show that the element composition of decaying leaves is varied significantly with different loss rates of nutrient elements. Their loss rate is larger than dry matters' and in the order of K>Mg>Ca and K>P. p loss is faster than Mg and Ca in winter, but in contrast in summer, and no difference in other two seasons. The loss amount of K, Ca, Mg and Pin decomposing leaves after 56 days is respectively 72—97, 51-88,60—90 and 64—79% of their initial amount.

Key words: Mangrove, Kandelia candel fallen leaf, Decomposition, Release of nutrient elements

Fan Hangqing, Lin Peng. Seasonal dynamics of nutrient release from decomposing Kandelia candel fallen leaves[J]. Chinese Journal of Applied Ecology, 1993, 4(3): 246-249.

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