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辽东山地森林景观界面土壤水分变异特征研究

吴祥云 刘梦旅 任杰 崔丽楠 何志勇

吴祥云, 刘梦旅, 任杰, 崔丽楠, 何志勇. 辽东山地森林景观界面土壤水分变异特征研究[J]. 北京林业大学学报, 2015, 37(4): 56-63. doi: DOI:10.13332/j.1000-1522.20140206
引用本文: 吴祥云, 刘梦旅, 任杰, 崔丽楠, 何志勇. 辽东山地森林景观界面土壤水分变异特征研究[J]. 北京林业大学学报, 2015, 37(4): 56-63. doi: DOI:10.13332/j.1000-1522.20140206
WU Xiang-yun, LIU Meng-lü, REN Jie, CUI Li-nan, HE Zhi-yong. Soil moisture variation characteristics at forest landscape boundary of mountainous region in eastern Liaoning[J]. Journal of Beijing Forestry University, 2015, 37(4): 56-63. doi: DOI:10.13332/j.1000-1522.20140206
Citation: WU Xiang-yun, LIU Meng-lü, REN Jie, CUI Li-nan, HE Zhi-yong. Soil moisture variation characteristics at forest landscape boundary of mountainous region in eastern Liaoning[J]. Journal of Beijing Forestry University, 2015, 37(4): 56-63. doi: DOI:10.13332/j.1000-1522.20140206

辽东山地森林景观界面土壤水分变异特征研究

doi: DOI:10.13332/j.1000-1522.20140206
基金项目: 

国家水体污染控制与治理重大科技专项(2012ZX07202008-1)。

详细信息
    作者简介:

    第一作者: 吴祥云,教授,博士生导师。 主要研究方向:恢复生态学。 Email:wuxyun2003@163.com 地址:123000 辽宁省阜新市中华路 47号辽宁工程技术大学环境科学与工程学院。

Soil moisture variation characteristics at forest landscape boundary of mountainous region in eastern Liaoning

  • 摘要: 为了评价不同森林植被类型水源涵养能力的差异性,采用定位研究的方法,通过布点测试了林下0~30cm土壤水分含量的变化,重点对辽东山地雨季胡桃楸天然次生林与落叶松人工纯林2种森林景观界面土壤水分演化动态进行了研究。结果表明:胡桃楸天然次生林和落叶松纯林2种森林植被类型之间土壤水分含量存在差异性,蓄水能力差异显著。主要表现为:由坡上至坡下依次分布胡桃楸天然次生林与落叶松人工纯林,可划分胡桃楸林、景观界面区、落叶松林3个功能区;景观界面区各土层深度的土壤含水率均明显高于胡桃秋林及落叶松林功能区。沿等高线方向土壤水分变化呈现出先平稳后波动趋势。垂直方向上土壤含水率均呈现随土层深度(0~30cm)增加而降低趋势,可依次分为速变层、渐变层和稳定层3个层次。采用移动窗口法界定雨季期间(8—10月)不同土层深度胡桃楸天然次生林、落叶松人工林景观界面土壤水分影响域范围,得出0~10cm土层土壤水分影响域范围25m,界面类型为渐变型界面;10~20cm土层土壤水分影响域范围20m,界面类型为渐变型界面;20~30cm土层土壤水分影响域范围10m;其中8、10月均为渐变型界面,9月为突变型界面。

     

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出版历程
  • 收稿日期:  2014-06-17
  • 修回日期:  2014-11-03
  • 刊出日期:  2015-04-30

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