北京山区河岸植被恢复立地类型划分
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北京市科技计划课题“怀柔小流域河岸带生态恢复技术研究”(Z151100001115001)


Site Classification of Riparian Vegetation Restoration in Beijing Mountain Area
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    摘要:

    [目的]对北京山区不同立地条件下的河岸带进行立地类型分类,为山区河岸带的植被恢复工作提供理论依据。[方法]以北京市怀柔区怀九河河岸60个80 m长的样地为基础,进行野外实地观测调查,并确定了土壤层厚度、坡面组成物质、坡度、硬化面积、坡长5个因子为河岸立地类型划分的主导因子。[结果]①怀九河河岸带的立地类型可划分为3个立地类型区,9个立地类型组,15个立地类型。②加杨、旱柳、荆条、胡枝子等作为适宜当地生长的优势植物种,在进行植被恢复时可结合其它适生物种进行合理的配置。[结论]北京山区河岸带多以短坡薄土层为主,边坡坡面砾石裸露严重,表现为严重的人为干扰,应加快河岸边坡生态环境安全建设。

    Abstract:

    [Objective] Site classification is the basic work of vegetation restoration in riparian, and is conducive to provide basic theoretical basis for the vegetation restoration of the riparian zone in the mountain area.[Methods] 60 plots totally having 80 m long in the riparian zone of Huaijiu River in Huairou mountain area, Beijing area, were investigated. 5 factors of soil layer thickness, slope material composition, slope, hardening area and slope length were used as the dominant factors of site classification.[Results] ① Sites of Huaijiu River riparian zone were divided into 3 types, 9 groups, 15 subgroups. ② Populus Canadensis, Salix Matsudana, Vitex Negundo heterophylla, Lespedeza were as suitable for local revegetation as dominant species and other suitable ones as subdominant or auxiliary species.[Conclusion] The riparian zone in Beijing mountain area is mainly covered by short slope with thin soil layer, and gravel-exposed obviously and is seriously disturbance. Hence, ecological environment safety construction of riparian slope should be accelerated.

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夏晓平,信忠保,孔庆仙.北京山区河岸植被恢复立地类型划分[J].水土保持通报,2018,38(2):223-227

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  • 收稿日期:2017-08-24
  • 最后修改日期:2017-09-27
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  • 在线发布日期: 2018-05-17
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