A Framework for Identifying Plant Species to Be Used as 'Ecological Engineers' for Fixing Soil on Unstable Slopes
Ghestem, Murielle1; Cao, Kunfang2; Ma, Wenzhang3; Rowe, Nick4; Leclerc, Raphaelle5; Gadenne, Clement6; Stokes, Alexia7; Ghestem,M (reprint author),DALETT,CETE SO,Toulouse,France.; yellownosed@gmail.com
2014-08-08
发表期刊PLOS ONE
ISSN1932-6203
卷号9期号:8页码:e95876
产权排序第三
摘要Major reforestation programs have been initiated on hillsides prone to erosion and landslides in China, but no framework exists to guide managers in the choice of plant species. We developed such a framework based on the suitability of given plant traits for fixing soil on steep slopes in western Yunnan, China. We examined the utility of 55 native and exotic species with regard to the services they provided. We then chose nine species differing in life form. Plant root system architecture, root mechanical and physiological traits were then measured at two adjacent field sites. One site was highly unstable, with severe soil slippage and erosion. The second site had been replanted 8 years previously and appeared to be physically stable. How root traits differed between sites, season, depth in soil and distance from the plant stem were determined. Root system morphology was analysed by considering architectural traits (root angle, depth, diameter and volume) both up-and downslope. Significant differences between all factors were found, depending on species. We estimated the most useful architectural and mechanical traits for physically fixing soil in place. We then combined these results with those concerning root physiological traits, which were used as a proxy for root metabolic activity. Scores were assigned to each species based on traits. No one species possessed a suite of highly desirable traits, therefore mixtures of species should be used on vulnerable slopes. We also propose a conceptual model describing how to position plants on an unstable site, based on root system traits.
关键词Root-reinforcement Tree Roots Stability Analysis Land Conversion Gully Erosion Growth Habit China Strength Rehabilitation Resistance
资助信息French Government; AgroParisTech; CNRS; BMU International Climate Initiative
学科领域Science & Technology - Other Topics
DOI10.1371/journal.pone.0095876
收录类别SCI
语种英语
WOS研究方向Science & Technology - Other Topics
WOS类目Multidisciplinary Sciences
WOS记录号WOS:000343231900001
引用统计
被引频次:18[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.kib.ac.cn/handle/151853/18371
专题中国科学院东亚植物多样性与生物地理学重点实验室
通讯作者Ghestem,M (reprint author),DALETT,CETE SO,Toulouse,France.; yellownosed@gmail.com
作者单位1.AgroParis Tech, UMR AMAP, Montpellier, France
2.Chinese Acad Sci, Xishuangbanna Trop Bot Garden, Mengla, Yunnan, Peoples R China
3.Kunming Inst Bot, Kunming, Yunnan, Peoples R China
4.CNRS, UMR AMAP, Montpellier, France
5.CNRS, UMR CEFE, Montpellier, France
6.AgroParisTech, Ctr Nancy, Nancy, France
7.INRA, UMR AMAP, F-34060 Montpellier, France
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GB/T 7714
Ghestem, Murielle,Cao, Kunfang,Ma, Wenzhang,et al. A Framework for Identifying Plant Species to Be Used as 'Ecological Engineers' for Fixing Soil on Unstable Slopes[J]. PLOS ONE,2014,9(8):e95876.
APA Ghestem, Murielle.,Cao, Kunfang.,Ma, Wenzhang.,Rowe, Nick.,Leclerc, Raphaelle.,...&yellownosed@gmail.com.(2014).A Framework for Identifying Plant Species to Be Used as 'Ecological Engineers' for Fixing Soil on Unstable Slopes.PLOS ONE,9(8),e95876.
MLA Ghestem, Murielle,et al."A Framework for Identifying Plant Species to Be Used as 'Ecological Engineers' for Fixing Soil on Unstable Slopes".PLOS ONE 9.8(2014):e95876.
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