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文章摘要
高海拔工程扰动区不同植物生态修复适应性研究
Research on Ecological Restoration Adaptability of Different Plants in High Altitude Engineering Disturbance Areas
  
DOI:
中文关键词: 植物群落结构  生态修复  土壤肥力  高海拔工程扰动区
英文关键词: Plant community structure  Ecological restoration  Soil fertility  High altitude engineering disturbance area
基金项目:国家自然科学基金资助项目(52269026,51969010);云南省教育厅科学研究基金资助项目(2020Y0179)
作者单位
蒋文翠 华能西藏雅鲁藏布江水电开发投资有限公司藏木水电厂 
冉江华 中国能源建设集团云南省电力设计院有限公司 
王铭明 昆明理工大学 
金冠锋 华能西藏雅鲁藏布江水电开发投资有限公司藏木水电厂 
耿庆宝 华能西藏雅鲁藏布江水电开发投资有限公司藏木水电厂 
曾荣俊 华能西藏雅鲁藏布江水电开发投资有限公司藏木水电厂 
瞿佳 华能西藏雅鲁藏布江水电开发投资有限公司藏木水电厂 
孔维博 中国能源建设集团云南省电力设计院有限公司 
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中文摘要:
      以砂生槐、白羊草、黑穗画眉草、狗尾草、白三叶草等5种先锋植物为研究对象,通过植物调查和土壤采样室内养分测定,结合主成分分析法,对不同试验区的植物群落结构和土壤肥力进行相关性分析。结果表明:与对照区相比,不同试验区Shannon Wiener指数(H)表现出显著差异,Simpson优势度指数(D)和Pielou均匀度指数(J)差异不明显,不同群落 H值依次为黑穗画眉草植物群落>白羊草植物群落>砂生槐植物群落>白三叶草植物群落>狗尾草植物群落;不同植物群落下土壤有效氮含量、含水率平均值明显高于对照区,砂生槐改良土壤肥力效果最好,白三叶草对土壤含水率影响最大。
英文摘要:
      Taking five pioneer plants, sand locust, white sheep grass, black eared eyebrow grass, dog tail grass and white clover, as research objects, the correlation between plant community structure and soil fertility in different test areas was analyzed by plant investigation, soil nutrient determination and principal component analysis. The results indicated that compared with the control area, Shannon Wiener index(H) of different test areas was significant different, while Simpson dominance index(D) and Pielou evenness index(J) were not significantly different. H value of different plant communities in order of large to small were black spikelet plant community, white wool plant community, sand locust plant community, white clover plant community, dog tail plant community. The average content of available nitrogen and moisture in soil in different plant communities were significantly higher than those in the control area. Sand locust had the best effect on soil fertility, and white clover had the greatest impact on moisture in soil.
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