WANG Jiao-yang,WANG Wei-jun,JIANG Peng,et al.Impact of Stand Density of the North-China Larch on the Water Retention Capacity of Litter Layer[J].Research of Soil and Water Conservation,2013,20(06):66-70.
华北落叶松人工林林分密度对枯落物层持水能力的影响
- Title:
- Impact of Stand Density of the North-China Larch on the Water Retention Capacity of Litter Layer
- Keywords:
- North-china larch; stand density; litter layer; water-holding capacity
- 分类号:
- S714.7
- 摘要:
- 以木兰林管局华北落叶松人工林为研究对象，采用四分法对不同林龄不同密度的华北落叶松人工林枯落物持水能力进行研究。结果表明：20，30，40，50 a华北落叶松人工林，对应的林分最佳密度分别为2 500，1 800，1 000，800株/hm2时，枯落物最大持水量和有效持水量均达到最大。随着林分密度的增加，枯落物层最大持水量和有效持水量呈先增加后减小的趋势。以枯落物的持水能力随林分密度的变化规律和林木生长规律的相似关系，编制华北落叶松人工林枯落物持水能力密度控制图，为冀北山地华北落叶松水源涵养林的密度管理提供数据参考和理论依据。
- Abstract:
- Larix principis-rupprechtii plantation of Mulan Forestry Management Bureau was selected as study case. Water holding capacities of litter in Larix principis-rupprechtii plantations with different ages and different densities were studed based on quartering method. The results showed that the optimal stand densities were 2 500, 1 800, 1 000, 800 plants/hm2 for 20, 30, 40, 50 years of Larix principis-rupprechtii plantations, respectively, maximum and effective water-holding capacity reached to maximum for litter. With the density increase, maximum and effective water holding capacity increased and then decreased. A similar relationship with stand density variation and tree growth law of water holding capacity of litter, preparation of water holding capacity density control diagram of Larix principis-rupprechtii plantation litter, can offer essential data reference and basis for the water conservation forest density management of Larix principis-rupprechtii in North Mountain of Hebei.
参考文献/References:
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相似文献/References:
[1]徐学华,于树峰,崔立志,等.冀北山地华北落叶松人工林水源涵养功能分析[J].水土保持研究,2009,16(05):162.
XU Xue-hua,YU Shu-feng,CUI Li-zhi,et al.Analysis on Water Conservation Function of Larix Principis-rupprechtⅡ Man-made Forest in North Mountain of Hebei Province[J].Research of Soil and Water Conservation,2009,16(06):162.
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[3]徐学华,崔立志,王锡武,等.不同经营措施对冀北山地华北落叶松林枯落物持水性能的影响[J].水土保持研究,2010,17(03):157.
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[4]高路博,毕华兴,云雷,等.黄土半干旱区林草复合优化配置与结构调控研究进展[J].水土保持研究,2011,18(03):260.
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[5]何聪,熊伟,王彦辉,等.六盘山北侧华北落叶松林分的水分利用效率研究[J].水土保持研究,2011,18(05):112.
HE Cong,XIONG Wei,WANG Yan-hui,et al.The Water Use Efficiency of Larix principis-rupprechtii Plantation in the Northern Liupan Mountain[J].Research of Soil and Water Conservation,2011,18(06):112.
备注/Memo
收稿日期:2013-04-09;改回日期:2013-05-24。
基金项目:“十二五”规划“三北”地区水源涵养林体系构建技术研究与示范（2011BAD38B05）
作者简介:王骄洋(1987-),男,河北衡水人,硕士研究生,主要从事森林经理研究。E-mail:wjay6768@foxmail.com
通讯作者:谷建才(1963-),男,河北藁城人,教授,博士,主要从事森林经理研究。E-mail:gujiancai@126.com