干旱区生态环境知识资源中心(Arid): Plant community of alpine steppe shows stronger association with soil properties than alpine meadow alongside degradation

Arid

DOI	10.1016/j.scitotenv.2020.139048
	Plant community of alpine steppe shows stronger association with soil properties than alpine meadow alongside degradation
	Peng, Fei; Xue, Xian; Li, Chengyang; Lai, Chimin; Sun, Jian; Tsubo, Mitsuru; Tsunekawa, Atsushi; Wang, Tao
通讯作者	Peng, F
来源期刊	SCIENCE OF THE TOTAL ENVIRONMENT
ISSN	0048-9697
EISSN	1879-1026
出版年	2020
卷号	733
英文摘要	The interaction between soil properties and plant community determines the efficacy to restore the degraded grassland via improving soil properties. We conducted a field survey to investigate the relationship between plant community composition and soil physical and chemical properties alongside different degradation stages of alpine grassland. Results showed that with the increasing severity of degradation, the dominant plants shifted from sedge and graminoid species, respectively, to forbs species in alpine meadow (AM) and alpine steppe (AS). Species richness and diversity indices were unchanged until the severely degraded stage in both AM and AS. Forward selection showed bulk density (BD) and ammonia nitrogen (NH4+) at 1020 cm, pH and the ratio of soil organic carbon to total nitrogen (C/N) at 010 cm were the four important variables being responsible for the species community variation alongside degradation of AS, which explained 18.7% of the total variance. Soil nitrate nitrogen (NO3-) and C/N at 2030 cm, NH4+ at 1020, and BD at 010 cm were the important variables in driving the community variance alongside degradation stages, which only explained 9.5% of the total variance of AM. The loss of dense root layer and the species community change induced change in BD, and difference in plant competition for available resources would lead to the stronger association between vegetation community and soil properties in AS than that in AM. Our results indicate that though improving soil nutrients and soil texture to restore the degraded AS may be more effective than to restore degraded AM.
英文关键词	Alpine grassland Grassland degradation Ordination analysis Vegetation community composition Arid land Qinghai-Tibetan Plateau
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000540253100009
WOS关键词	QINGHAI-TIBETAN PLATEAU ; SPECIES RICHNESS ; GRASSLAND DEGRADATION ; DIFFERENTIAL RESPONSE ; NITROGEN ADDITION ; CLIMATE-CHANGE ; DIVERSITY ; GRADIENTS ; ECOSYSTEM ; PATTERNS
WOS类目	Environmental Sciences
WOS研究方向	Environmental Sciences & Ecology
来源机构	中国科学院地理科学与资源研究所
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/324745
作者单位	[Peng, Fei; Xue, Xian; Li, Chengyang; Lai, Chimin; Wang, Tao] Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, Key Lab Desert & Desertificat, Lanzhou 730000, Gansu, Peoples R China; [Peng, Fei] Tottori Univ, Int Platform Dryland Res & Educ, Tottori, Japan; [Peng, Fei; Xue, Xian] Chinese Acad Sci, Beiluhe Observat & Res Stn Frozen Soil Engn & Env, Beijing, Peoples R China; [Li, Chengyang; Lai, Chimin] Univ Chinese Acad Sci, Beijing, Peoples R China; [Tsubo, Mitsuru; Tsunekawa, Atsushi] Tottori Univ, Arid Land Res Ctr, Tottori, Japan; [Sun, Jian] Chinese Acad Sci, Synth Res Ctr Chinese Ecosyst Res Network, Key Lab Ecosyst Network Observat & Modelling, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China
推荐引用方式 GB/T 7714	Peng, Fei,Xue, Xian,Li, Chengyang,et al. Plant community of alpine steppe shows stronger association with soil properties than alpine meadow alongside degradation[J]. 中国科学院地理科学与资源研究所,2020,733.
APA	Peng, Fei.,Xue, Xian.,Li, Chengyang.,Lai, Chimin.,Sun, Jian.,...&Wang, Tao.(2020).Plant community of alpine steppe shows stronger association with soil properties than alpine meadow alongside degradation.SCIENCE OF THE TOTAL ENVIRONMENT,733.
MLA	Peng, Fei,et al."Plant community of alpine steppe shows stronger association with soil properties than alpine meadow alongside degradation".SCIENCE OF THE TOTAL ENVIRONMENT 733(2020).