YAN Huiling,LIU Dongming,CHEN Hongfeng,et al.Species Composition of Plant Community and Analysis of Important Value in the Roadside of Xingfen Highway of Hebei Province[J].Research of Soil and Water Conservation,2015,22(02):328-333,339.
河北邢汾高速边坡沿线植物群落物种组成与重要值分析
- Title:
- Species Composition of Plant Community and Analysis of Important Value in the Roadside of Xingfen Highway of Hebei Province
- 分类号:
- S718.54+2
- 摘要:
- 随着河北邢汾高速公路跨越式的建设，不可避免地对沿线的生态环境造成破坏。为了更好的发挥植物的生态效益而达到水分涵养与固土护坡的目的，必须充分解决好植物种类的筛选与植物群落的配置的问题。根据野外样方的调查，通过对边坡沿线不同海拔梯度植物种类的组成、重要值的变化规律以及群丛分布情况的分析，结果表明：1）该区样方共有维管植物21科41属48种；筛选出适合该区边坡植被恢复的优势种共计25种，其中乔木类6种，灌木类5种，草本类14种。2）植物种重要值随海拔高度变化影响较大，其中刺槐、酸枣、胡枝子、白羊草、细柄草、矛叶荩草、披碱草表现明显；3）草本层在各海拔内重要值最高，能充当边坡植被恢复的先锋角色；4）各海拔内禾本科植物重要值最高；5）该区植物群落主要分为4个群丛；在边坡植被恢复过程中，4个主要群丛可为植物群落配置提供参考。
- Abstract:
- With the leapfrog construction of Xingfen highway of Hebei Province, ecological environment along the roadside is inevitably being destroyed. For the purpose of conserving water, stabilizing and protecting slopes, the ecological benefits of plants should be fully developed. The key to achieving the purpose is the selection of plant species and configuration of plant community. In terms of the field quadrat investigation, the result shows from the analysis of the number of plant species at different altitudes, laws of variance of important value and distributional conditions of plant association, that there are about 21 families, 41 genus, 48 species of vascular plants, of which 28 dominant species including 6 tree species, 6 shrub species and 16 herb species appropriate for slope revegetation of Xingfen Highway in Hebei Province have been screened.The important values of plant species change are greatly influenced by the altitudes. Of all species Robinia pseudoacacia, Ziziphus jujuba var. Spinosa, Lespedeza bicolor,Bothriochloa ischaemum, Arthraxon lanceolatus, Capillipedium parviflorum and Elymus dahuricus are influenced remarkably by the altitudes. The important value of species in the herb layer is the highest at every altitude, which can play an important role in pioneer species of slope revegetation. Of all families is the highest at every altitudes. Plant community alongside of the slope of Xingfen Highway in Hebei Province is divided into four plant associations. In the course of side-slope revegetation, four main plant associations can give reference to the configuration of plant community.
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备注/Memo
收稿日期:2014-04-16;改回日期:2014-06-06。
基金项目:河北省交通厅科技计划项目“山区高速公路边坡安全与生态恢复技术研究”（Y-2012133）
作者简介:严慧玲(1989-),女,湖南省常德市人,在读硕士,主要从事高速公路边坡绿化方面的研究。E-mail:15088061134@163.com
通讯作者:刘东明(1971-),男,广东省南雄市人,助理研究员,主要从事高速公路边坡绿化方面的研究。E-mail:liudm@scbg.ac.cn