不同立地条件下黄花补血草种群生长、繁殖与土壤水分的差异
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甘肃省科技研究与开发专项"野生花卉黄花矶松雨养型园林化栽培技术研究与示范"(1205TCYA048)


Differences of Population Growth, Reproduction of Limonium and Soil Moisture Under Different Site Conditions
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    摘要:

    [目的] 揭示不同立地条件下黄花补血草种群生长、繁殖与土壤水分的差异,为黄花补血草的管理提供科学依据。[方法] 选取4个不同沙丘类型的黄花补血草地斑块作为试验样地,研究黄花补血草的生长、繁殖以及水分等。[结果] (1) 不同立地类型黄花补血草种群的生长与繁殖特征存在明显差异,它主要反映在单株地上生物量、高度、冠幅和密度方面; (2) 不同类型的沙丘上黄花补血草单株生殖枝数、花量均存在显著差异的相关性; (3) 不同立地类型的黄花补血草土壤含水量存在明显差异,但是在不同的土壤深度上土壤的含水率的差异不显著,丘间地不同土壤深度的土壤含水率差异比较大。[结论] 干旱荒漠生境条件下最适宜生长的黄花补血草的沙丘类型为丘间地。

    Abstract:

    [Objective] Population growth, reproduction of Limonium and soil moisture were measured to test the differences under different site conditions in order to improve the management of Limonium planataion. [Methods] Four different types of dunes were selected to research the growth, reproduction and moisture of Limonium. [Results] (1) Limonium growth and reproductive characteristics had significant differences under different types of sand dune in above ground biomass, height,crown width and density; (2) For all types of dune, reproductive tillers per plant and flower numbers had significantly correlation; (3) Soil moistures planted with Limonium in different types of sand dune were different obviously, but no significant differences in profile were found, and soil moistures among inter-dunes were also insignificant. [Conclusion] The inter-dune ground is suitable for Limonium growth in desert habitats.

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张芝萍,李昌龙,李得禄,郭树江.不同立地条件下黄花补血草种群生长、繁殖与土壤水分的差异[J].水土保持通报,2015,35(4):268-270

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  • 收稿日期:2014-05-27
  • 最后修改日期:2014-06-20
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  • 在线发布日期: 2016-04-05
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