| 风化岩路基边坡不同植物群落生长动态分析 |
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| 引用本文： | 常卫民,杨晓明.风化岩路基边坡不同植物群落生长动态分析[J].安徽农业科学,2009,37(26):12391-12392. |
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| 作者姓名： | 常卫民 杨晓明 |
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| 作者单位： | 1. 河南省驻马店市园林管理处,河南驻马店,463000
2. 河南省驻马店农业学校,河南驻马店,463000 |
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| 摘 要： | 目的]研究风化岩路基边坡不同植物群落的生长动态变化，为类似立地条件下边坡生态防护及植被恢复提供参考依据。方法]采用区组设计法建立24个试验小区，对不同植物群落覆盖度、地上生物量、灌木生长速率进行测定分析。结果]人工植物群落覆盖度明显大于对照，后期基本达到70％以上，其中，“狗牙根＋高羊茅”群落、“紫穗槐＋狗牙根＋高羊茅”群落、“狗牙根＋高羊茅＋白三叶”群落的覆盖度较大，防护效果较好。植物群落地上生物量的动态变化呈单峰曲线，8月中下旬达到峰值，其与时间的动态函数关系与“s”形曲线较为吻合。供试灌木的生长速率在7、8月份达到峰值，生长速率曲线方程可用二次函数表示。结论]根据植物群落生长动态变化规律选择适于公路边坡植被恢复所需植物材料具有重要的现实意义。
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| 关 键 词： | 高速公路 路基边坡 植物群落 生长动态 |
Analysis of the Growth Dynamic of Different Plant Communities on the Weathered Rock Subgrade Slope |
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| CHANG Wei-min et al.Analysis of the Growth Dynamic of Different Plant Communities on the Weathered Rock Subgrade Slope[J].Journal of Anhui Agricultural Sciences,2009,37(26):12391-12392. |
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| Authors: | CHANG Wei-min |
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| Institution: | CHANG Wei-min et al(Henan Zhumadian Botanical Garden Administrative Office,Zhumadian,Henan 463000) |
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| Abstract: | Objective] The study of the growth dynamic change of different plant communities on the weathered rock subgrade slope aimed to provide references for slope eco-protection and vegetation restoration under the similar site conditions.Method] 24 experimental plots were established according to the blocks design and the coverage,aboveground biomass and shrub growth rate of different plant communities were measured and analyzed.Result] The results showed that the coverage of artificial plant community was sig... |
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| Keywords: | Highway The subgrade slope Plant communities The growth dynamic |
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