Relationships Among Growth of Larix Principis-rupprechtii, Herbaceous Plants Diversity and Landform
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    Abstract:

    Taking Larix principis-rupprechtii forest in Xiaowutai Mountain in Hebei Province as the case study, the relationships between forest growth, topography, and herb diversity were studied through field investigation and laboratory analysis. The results showed that:(1) Slope was significant negative correlation with tree height, diameter at breast height, under crown height and canopy size, but tree growth were not significantly correlated with elevation, slope position and slope shape;(2) In terms of correlation coefficients and correlation strength, the effect size of whole forest growth on herb diversity had an order as following:canopy density >under crown height >DBH >height >canopy size;(3) the Shannon-Wiener diversity index and Pielou evenness index showed a relatively stable trend with the increase of altitude from 1400 to 2000 m, and Simpson diversity index and the Menhinick richness index showed a fluctuating trend;(4) The effect of elevation, slope shape and slope gradient on herb diversity was smaller, but slope position showed a significant negative correlation with Menhinick richness index and Simpson diversity index of herbs, indicating that the impact of slope position change on herb diversity was greater.

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孔令伟,陈祥伟,鲁绍伟,李少宁,陈波,高琛,石媛,杨小燕.华北落叶松林木生长、草本植物多样性及地形因子之间的关系[J].水土保持通报英文版,2014,(5):60-66

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History
  • Received:August 08,2013
  • Revised:September 29,2013
  • Online: April 05,2016