JIAN Wen-hao,LI Shu-chun,CHEN Bo,et al.Research for the Hydrological Effects of Three Typical Types of Forests Litter in Northern Mountain of Hebei Province[J].Research of Soil and Water Conservation,2011,18(05):144-147.
冀北山区三种典型森林类型枯落物水文效应研究
- Title:
- Research for the Hydrological Effects of Three Typical Types of Forests Litter in Northern Mountain of Hebei Province
- 分类号:
- S715.7
- 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（155.31 t/hm2）>山杨桦树混交林（105.62 t/hm2）>落叶松桦树混交林（88.17 t/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（128.15 t/hm2）>山杨桦树混交林（82.27 t/hm2）>落叶松桦树混交林（69.22 t/hm2）；总的有效持水量为：油松蒙古栎混交林（132.01 t/hm2）>山杨桦树混交林（89.39 t/hm2）>落叶松桦树混交林（74.95 t/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。
- Abstract:
- 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.
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相似文献/References:
[1]吕明权,王晓龙,张怀.冀北山区生态恢复下生态输水现状分析——基于东北沟流域的实证[J].水土保持研究,2012,19(01):60.
LÜ,Ming-quan,WANG Xiao-long,et al.Transporting Clean Water to Downstream under Ecological Rehabilitation Background in Northern Mountainous Area of Hebei Province[J].Research of Soil and Water Conservation,2012,19(05):60.
备注/Memo
收稿日期:2011-1-31;修回日期:2011-6-9
基金项目:林业公益性行业科研专项子课题“冀北山区典型森林生态系统健康经营技术研究与示范”（200804022F）
作者简介:剪文灏（1973- ），男，河北围场人，在读硕士，林业高级工程师，从事林业生产技术管理工作。E-mail：jianwenhao@126.com
通讯作者:苑丽丽（1974- ）,女,河北围场人,专科学历,研究方向：林业生态工程。E-mail：yuan lili1974@126.com