山东省石灰岩山区灌木林枯落物持水性能的研究

通过对山东省石灰岩山区4种主要灌木林枯落物蓄积量及其持水特性的试验研究,总结出不同林分枯落物的持水性能。结果表明,4种林分枯落物的蓄积量从大到小依次为连翘林>黄栌林>黄荆林>绣线菊林。在前0.5h内,4种林分枯落物吸水速率的大小顺序为绣线菊林>黄栌林>黄荆林>连翘林。4种林分枯落物最大持水量的大小顺序为黄栌林>连翘林>绣线菊林>黄荆林。4种林分枯落物有效拦蓄量的大小顺序为黄栌林>连翘林>绣线菊林>黄荆林。

Study on Litter Water-Holding Characteristics of Shrubbery in Limestone Mountain Area in Shandong Province

Through the experiment of forest litter amount and their water-holding characteristics in four kinds of shrubbery in limestone mountain area in Shandong province, the litter characteristics parameters was studied. The results showed that the litter amount was Forsythia suspense(Thunb.) Vahl.forest > Cotinus coggygria Scop. forest > Vitex negundo Linn. forest > Spriaea trilobata Linn. forest. In the first half hour, the water absorption speed of the whole litter layer being in the descended order of Spriaea trilobata Linn.forest > Cotinus coggygria Scop. forest > Vitex negundo Linn. forest > Forsythia suspense(Thunb.) Vahl.forest.The maximum of water-holding capacity of the whole litter layer being in the descended order of Cotinus coggygria Scop. forest >Forsythia suspense(Thunb.) Vahl.forest > Spriaea trilobata Linn. forest > Vitex negundo Linn. forest. The modified interception of the whole litter layer being in the descended order of Cotinus coggygria Scop. forest >Forsythia suspense(Thunb.) Vahl.forest > Spriaea trilobata Linn. forest > Vitex negundo Linn. forest.