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[1]刘 鑫 包维楷** 胡 斌 冯德枫,庞学勇 丁建林 吴展波.高寒山区道路边坡植被恢复物种选择及适宜性评估[J].应用与环境生物学报,2016,22(06):1015-1022.[doi: 10.3724/SP.J.1145.2016.01016]
 LIU Xin,BAO Weikai**,HU Bin,et al.Plant species selection and adaptivity for vegetation restoration of alpine roadside slopes[J].Chinese Journal of Applied & Environmental Biology,2016,22(06):1015-1022.[doi: 10.3724/SP.J.1145.2016.01016]
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高寒山区道路边坡植被恢复物种选择及适宜性评估()
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《应用与环境生物学报》[ISSN:1006-687X/CN:51-1482/Q]

卷:
22卷
期数:
2016年06期
页码:
1015-1022
栏目:
“生态系统的格局与恢复”专栏论文
出版日期:
2016-12-25

文章信息/Info

Title:
Plant species selection and adaptivity for vegetation restoration of alpine roadside slopes
作者:
刘 鑫1 包维楷1** 胡 斌1 冯德枫1 2 庞学勇1 丁建林1 吴展波3
1中国科学院山地生态恢复与生物资源利用重点实验室,生态恢复与生物多样性保育四川省重点实验室,中国科学院成都生物研究所 成都 610041 2中国科学院大学 北京 100049 3中铁二院工程集团有限责任公司 成都 610031
Author(s):
LIU Xin1 BAO Weikai1** HU Bin1 FENG Defeng1 2 PANG Xueyong1 DING Jianlin1 & WU Zhanbo3
1CAS Key Laboratory of Mountain Ecological Restoration and Bioresource Utilization & Ecological Restoration and Biodiversity Conservation Key Laboratory of Sichuan Province, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China 2University of Chinese Academy of Sciences, Beijing 100049, China 3China Railway Eryuan Engineering Group Co., Ltd., Chengdu 610031, China
关键词:
高寒山区边坡植被恢复护坡植物筛选配置模式演替
Keywords:
alpine region roadside slope vegetation restoration species selection plant configuration succession
分类号:
X171.4 (271)
DOI:
10.3724/SP.J.1145.2016.01016
摘要:
筛选适应高寒山区生境的物种对于因公路、铁路修建导致原生植被退化的边坡生态恢复具有重要的现实意义. 在青藏高原东部318国道折多山、高尔寺山和剪子弯山等路段设置植物样方120个,调查其物种组成和群落结构,据此对边坡人工恢复物种和自然恢复物种进行评价筛选. 结果显示:调查范围内共有108种植物,分属36科96属. 其中,人工恢复物种17个,以禾本科和豆科植物为主. 其中黑麦草(Lolium perenne)和垂穗披碱草(Elymus nutans)以及紫苜蓿(Medicago sativa)和草木犀(Melilotus officinalis)能够生长于3 000-4 100 m的边坡并达到较高盖度. 自然恢复物种多出现于恢复3-5年后的边坡,其中稳定扩展型物种是导致边坡植被多样性提高、群落结构复杂化的关键. 自然恢复物种中的部分灌木,例如金露梅(Potentilla fruticosa)和黄花木(Piptanthus nepalensis)等,以及苔藓可以通过进一步试验用于人工边坡恢复,建立苔藓、草本、木本植物共存的群落,有助于提高边坡植被的护坡效果. 高寒山区道路边坡植被恢复是一个漫长的过程,依据边坡环境条件利用上述适宜物种及其组合进行人工恢复,并选择适宜时机促进稳定扩展型自然恢复物种的生长,将促使边坡逐渐由次生裸地、人工植被走上自然演替恢复的道路. (图2 表1 参21)
Abstract:
Construction of expressways and railways results in bare slopes and degraded ecosystems. Vegetation restoration with proper plant species is the foremost work in the restoration of the degraded roadside slopes. The climate of alpine region is featured with low temperature, short growing period, strong radiation, and low but concentrated precipitation, which are harsh for restoring vegetation. This research aimed to select proper plant species adaptable to the environment of alpine region and suitable for roadside slope restoration. We recorded the coverage and height of each plant present in the 120 plots along the G318 road in the eastern part of Tibetan Plateau. The investigation found 108 vascular plant species in the alpine roadside slope, including 17 artificially planted species. Most planted species belonged to Poaceae and Fabaceae. Lolium perenne, Elymus nutans, Melilotus officinalis, and Medicago sativa grew well on roadside from the altitude of 3000 m to 4100 m. Naturally regenerated species were mainly distributed in older slopes formed 3-5 years ago. Two species groups could be identified by the species characteristics: invasive species and spread species. The spread species contributed most to the biodiversity and complicated community structure in older slopes in Zheduo Mountain and Jianziwan Mountain. Naturally regenerated shrubs, such as Potentilla fruticosa, Piptanthus nepalensis, and Caragana franchetiana, could be planted artificially to improve the protection effect of vegetation. We also found that some bryophyte species, which are drought and cold tolerant, could be used as slope protecting species. The vegetation restoration of roadside slope in alpine region is a long lasting process. Artificial restoration of the secondary bare slope with proper plant species could result in healthy ecosystem with natural succession.

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更新日期/Last Update: 2016-12-30