青冈常绿阔叶林钙的释放动态

Release dynamics of calcium in an evergreen broad-leaved forest dominated by Cyclobalanopsis glauca in East China.

本文以青冈常绿阔叶林中 5种凋落物为对象 ,研究其分解过程中 Ca的释放动态 . 5种凋落物分解 2 4个月期间 Ca浓度总体上呈逐渐增加的趋势 ,但因干物质的消失 ,最后 Ca还是得到了不同程度的释放 ,并且 Ca浓度和残留率的变化均很有规律 ,而不同凋落物的规律并不都一致 .Ca浓度和残留率与凋落物干物质残留率的关系密切 ,反映了

Release dynamics of calcium in five litter types in an evergreen broad\|leaved forest dominated by \$Cyclobalanopsis glauca\$ growing on red soil were elucidated. During 24 months of decomposition, the concentrations of Ca in five litter types increase gradually on the whole, and it is released on different degree because of the loss of dry mass. The dynamics of the concentration and remaining percent of Ca show very regular, and the regularity of various litter types varies. The correlation between dry mass and the concentration and remaining percent of Ca is closed, which reflect that the release of Ca is both controlled by the release of itself and the loss of dry mass.