祁连山青海云杉林枯落物层水文效应分析 关键词： 青海云杉林；枯落物层；水文效应；祁连山 [gap=1260]Key words: Picea crassifolia forest; litter layer; hydrological effect; Qilian Mountains
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死地被物枯枝落叶层 litter
The results showed: ①Litter leaching pH values of 6 typical forest stands reduced with the decrease of pH of simulated acid rain. The acid buffer ability of litter layer in forest type Ⅴ was best.
结果表明:①6种典型林分的枯落物淋滤液pH值均随模拟酸雨pH的降低而减小;林分Ⅴ的枯落物层对模拟酸雨pH值的缓冲效果最好。
参考来源 - 西南亚热带典型林分枯落物层对酸沉降的响应·2,447,543篇论文数据，部分数据来源于NoteExpress
森林植被通过林冠层、枯落物层和根系土壤层的分层拦截吸收，起到突出的减洪减沙作用。
Through the roles of interception and absorption of the canopy layer, litter layer, and root and soil layer, the benefits of flood and sediment reduction of forest vegetation are prominent.
结果表明，影响该区森林天然更新的主要因素是海拔高度，其次是灌木层盖度和枯落物层的盖度。
The results show that the main factor that affects the natural regeneration is elevation, and the coverages of litter and brushwood were next.
草本层生物量在减少，枯落物的覆盖厚度在增大。
The biomass of herb layer is reducing and the thickness of litter is increasing.
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