IMHE OpenIR  > 山地表生过程与生态调控重点实验室
Alpine Hummocks Drive Plant Diversity and Soil Fertile Islands on the Tibetan Plateau
Zhao Hui; Wei Da; Yan Yan; Wu Jianbo; Wang Xiaodan
2020
Source PublicationWETLANDS
ISSN0277-5212
EISSN1943-6246
Volume40Issue:5Pages:1217-1227
SubtypeArticle
Contribution Rank1
AbstractEarth hummocks are widely distributed in arctic, sub-Arctic and alpine regions and have important roles in determining plant diversity and the nutrient content of soils. We investigated the impact of the spatial heterogeneity on soil properties and plant communities caused by the hummocks on the Tibetan Plateau. The results indicated alpine hummocks created higher plant diversity and soil fertile island patterns under Kobresia Genus communities. Vegetation height, cover, above-ground and underground biomass, species richness and diversity at the top of well-developed hummocks were the significantly higher than those in the inter-hummocks and surrounding flat ground. The soil organic carbon content in surface soil layer (0-50 cm) at the hummock top was 154.6% and 172.3% higher than those in inter-hummock area and the flat ground, respectively. From the developing to well-developed stage, K. littledalei became the dominant population at hummock top instead of K. humilis, and fertile islands gradually formed with higher soil organic carbon and total nitrogen, lower soil moisture and wider soil temperature variation. RDA analysis further indicated the interactions of plant community succession and soil fertile island could create positive feedbacks to nutrient-rich patches.
KeywordAlpine hummock Plant community diversity Soil fertile island Micro-topographic heterogeneity
DOI10.1007/s13157-020-01275-8
Indexed BySCI
Language英语
Quartile4区
TOP
WOS IDWOS:000520656700002
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/34126
Collection山地表生过程与生态调控重点实验室
山地灾害与地表过程重点实验室
Corresponding AuthorWang Xiaodan
AffiliationKey Laboratory of Mountain Surface Processes and Ecological Regulation, Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, No. 9, Section 4, Renminnanlu Road, Chengdu, Sichuan 610041, People’s Republic of China
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Corresponding Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
Zhao Hui,Wei Da,Yan Yan,et al. Alpine Hummocks Drive Plant Diversity and Soil Fertile Islands on the Tibetan Plateau[J]. WETLANDS,2020,40(5):1217-1227.
APA Zhao Hui,Wei Da,Yan Yan,Wu Jianbo,&Wang Xiaodan.(2020).Alpine Hummocks Drive Plant Diversity and Soil Fertile Islands on the Tibetan Plateau.WETLANDS,40(5),1217-1227.
MLA Zhao Hui,et al."Alpine Hummocks Drive Plant Diversity and Soil Fertile Islands on the Tibetan Plateau".WETLANDS 40.5(2020):1217-1227.
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