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冀北山区三种典型森林类型枯落物水文效应研究

标题: 冀北山区三种典型森林类型枯落物水文效应研究
英文标题: Research for the Hydrological Effects of Three Typical Types of Forests Litter in Northern Mountain of Hebei Province
作者: 剪文灏,李淑春,陈波,苑丽丽,杨新兵
英文作者: JIAN Wen-hao1,2,LI Shu-chun2,CHEN Bo1,YUAN Li-li2,YANG Xin-bing1(1.College of Forestry,Agricultural University of Hebei,Baoding,Hebei 071000,China,2.Mulan-weichang Forestry Administration of Hebei Province,Weichang,Hebei 068450,China)
出版时间: 2011-01-01
机构: 河北农业大学
关键词: 冀北山区,森林枯落物,水文效应
英文关键词: northern mountain of Hebei Province,forest litter,hydrological effect
刊名: 水土保持研究
英文刊名: Research of Soil and Water Conservation
ISSN: 1005-3409
卷号: 005
基金: ^A公益性行业科研专项经费^B200804022F^D1
页码: 144-147
分类号: S714
摘要: 枯落物层在森林生态功能中具有十分重要的作用.在冀北山区北沟林场搜集了3种典型森林群落枯落物,研究其储量和持水特性.结果表明:3种林分类型枯落物半分解层的储量均大于未分解层;枯落物最大持水量总和为:油松蒙古栎混交林(155.31t/hm2)〉山杨桦树混交林(105.62t/hm2)〉落叶松桦树混交林(88.17t/hm2);枯落物有效拦蓄量半分解层均大于未分解层,排序为:油松蒙古栎混交林(128.15t/hm2)〉山杨桦树混交林(82.27t/hm2)〉落叶松桦树混交林(69.22t/hm2);总的有效持水量为:油松蒙古栎混交林(132.01t/hm2)〉山杨桦树混交林(89.39t/hm2)〉落叶松桦树混交林(74.95t/hm2);枯落物各层持水量与浸泡时间呈很好的对数关系.总之,油松蒙古栎混交林保持水土效果最佳.
英文摘要: Litter layer plays a very important role in forest ecosystem function.This study,in the northern mountain of Hebei Province,collected three typical forests litter,and analyzed their reserves and water-holding characteristics.The results showed that: the reserves of the three forest types of semi-decomposed litter layer are greater than that of the undecomposed layer;maximum water holding capacity of litter sum: the mixed forest of Pinus tabulaeformis and Quercus mongolica(155.31 t/hm2)the mixed forest of Populus davidiana and Betula albosinensis(105.62 t/hm2)the mixed forest of Larix kaempferi and Betula albosinensis(88.17 t/hm2);effectively storing greater than the amount of semi-decomposed layer is not decomposed layer,the following order: the mixed forest of Pinus tabulaeformis and Quercus mongolica(128.15 t/hm2)the mixed forest of Populus davidiana and Betula albosinensis(82.27 t/hm2)the mixed forest of Larix kaempferi and Betula albosinensis(69.22 t/hm2).Total effective capacity is for: the mixed forest of Pinus tabulaeformis and Quercus mongolica(132.01 t/hm2)the mixed forest of Populus davidiana and Betula albosinensis(89.39 t/hm2)the mixed forest of Larix kaempferi and Betula albosinensis(74.95 t/hm2).Holding capacity of litter layers and the soaking time were very good logarithmic relationship.In summary,the mixed forest of Pinus tabulaeformis and Quercus mongolica are the best for soil and water conservation.