Arid
DOI10.1093/aobpla/plv063
Endemic shrubs in temperate arid and semiarid regions of northern China and their potentials for rangeland restoration
Chu, Jianmin1; Yang, Hongxiao2; Lu, Qi3; Zhang, Xiaoyan1
通讯作者Yang, Hongxiao
来源期刊AOB PLANTS
ISSN2041-2851
出版年2015
卷号7
英文摘要

Some endemic shrubs in arid and semiarid ecosystems are in danger of extinction, and yet they can play useful roles in maintaining or restoring these ecosystems, thus practical efforts are needed to conserve them. The shrubs Amygdalus pedunculata Pall., Amygdalus mongolica (Maxim.) Ricker and Ammopiptanthus mongolicus (Maxim. ex Kom.) Cheng f. are endemic species in arid and semiarid regions of northern China, where rangeland desertification is pronounced due to chronic overgrazing. In this study, we tested the hypothesis that these endemic shrubs have developed adaptations to arid and semiarid environments and could play critical roles as nurse species to initiate the process of rangeland recovery. Based on careful vegetation surveys, we analysed the niches of these species in relation to precipitation, temperature and habitats. All sampling plots were categorized by these endemics and sorted by the non-metric multidimensional scaling method. Species ratios of each life form and species co-occurrence rates with the endemics were also evaluated. Annual average temperature and annual precipitation were found to be the key factors determining vegetation diversity and distributions. Amygdalus pedunculata prefers low hills and sandy land in temperate semiarid regions. Amygdalus mongolica prefers gravel deserts of temperate semiarid regions. Ammopiptanthus mongolicus prefers sandy land of temperate arid regions. Communities of A. pedunculata have the highest diversity and the largest ratios of long-lived grass species, whereas those of A. mongolicus have the lowest diversity but the largest ratios of shrub species. Communities of A. mongolica are a transition between the first two community types. These findings demonstrate that our focal endemic shrubs have evolved adaptations to arid and semiarid conditions, thus they can be nurse plants to stabilize sand ground for vegetation restoration. We suggest that land managers begin using these shrub species to restore degraded rangelands as part of a general conservation effort.


英文关键词Drought-enduring shrubs endemic species northern China nurse plants rangeland restoration sand stabilization species conservation temperate arid regions
类型Article
语种英语
国家Peoples R China
收录类别SCI-E
WOS记录号WOS:000359061500001
WOS关键词INNER-MONGOLIA ; DESERT ; SAND ; DESERTIFICATION ; ECOSYSTEM ; WATER ; LAND ; GRADIENT ; SURVIVAL ; INVASION
WOS类目Plant Sciences ; Ecology
WOS研究方向Plant Sciences ; Environmental Sciences & Ecology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/185799
作者单位1.Chinese Acad Forestry, Key Lab Tree Breeding & Cultivat, State Forestry Adm, Res Inst Forestry, Beijing 100091, Peoples R China;
2.Qingdao Agr Univ Chengyang, Qingdao Engn Res Ctr Rural Environm, Coll Resources & Environm, Qingdao 266109, Shandong, Peoples R China;
3.Chinese Acad Forestry, Inst Desertificat Studies, Beijing 100091, Peoples R China
推荐引用方式
GB/T 7714
Chu, Jianmin,Yang, Hongxiao,Lu, Qi,et al. Endemic shrubs in temperate arid and semiarid regions of northern China and their potentials for rangeland restoration[J],2015,7.
APA Chu, Jianmin,Yang, Hongxiao,Lu, Qi,&Zhang, Xiaoyan.(2015).Endemic shrubs in temperate arid and semiarid regions of northern China and their potentials for rangeland restoration.AOB PLANTS,7.
MLA Chu, Jianmin,et al."Endemic shrubs in temperate arid and semiarid regions of northern China and their potentials for rangeland restoration".AOB PLANTS 7(2015).
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