Size-Mediated Interaction between a Cushion Species and Other Non- cushion Species at High Elevations of the Hengduan Mountains, SW China
Yang, Yang1; Chen, Jian-Guo1; Schob, Christian2; Sun, Hang1
2017-04-05
Source PublicationFRONTIERS IN PLANT SCIENCE
Volume8Issue:1Pages:465
Abstract

Arenaria polytrichoides (Caryophyllaceae) is a common cushion plant occurring at high elevations in the Himalaya- Hengduan Mountains, SW China. It frequently has other non-cushion species growing within its canopy, forming a contrast with the surrounding areas because it creates patches of higher diversity and greater biomass. In this study, we examined the relationship between the cushions and associated noncushion species along a gradient of cushion size. A total of 200 A. polytrichoides individuals were selected to fit four size classes. Field measurements were carried out to assess canopy structure, functional traits relevant to growth and reproduction, and soil quality below cushions along the size gradient. Furthermore, the size effect of cushions on the richness and abundance of species and biomass production was also examined. All the morphological variables examined exhibited a positive correlation with cushion size, as did the nutrients under cushions. Large and compact cushions were associated with higher soil nutrient contents compared with small and loose cushions. As a result of these biogenic environmental changes, there was a stronger facilitation effect performed by large cushions. Data pertaining to functional traits revealed that large cushions benefit from the enhanced resources within their compact structure and exhibit greater fitness and a higher reproductive output than small cushions. Our data indicated that interactions occur between cushion species and other plants depending on the size of the cushions, probably because of the greater heterogeneity of conditions beneath larger cushions. These findings provide a clear demonstration of the generally overlooked importance of the traits of nurse plants, such as size and age, in terms of their facilitative effects.

KeywordPlant-plant Interaction Facilitation Plant-soil Feedback Soil Quality Cushion Plant Himalaya-hengduan Mountains
DOI10.3389/fpls.2017.00465
Indexed BySCI
Language英语
WOS Research AreaPlant Sciences
WOS SubjectPlant Sciences
WOS IDWOS:000398410200001
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/51045
Collection中国科学院东亚植物多样性与生物地理学重点实验室
Affiliation1.Chinese Acad Sci, Key Lab Plant Divers & Biogeog East Asia, Kunming Inst Bot, Kunming, Peoples R China
2.Univ Zurich, Dept Evolutionary Biol & Environm Studies, Zurich, Switzerland
Recommended Citation
GB/T 7714
Yang, Yang,Chen, Jian-Guo,Schob, Christian,et al. Size-Mediated Interaction between a Cushion Species and Other Non- cushion Species at High Elevations of the Hengduan Mountains, SW China[J]. FRONTIERS IN PLANT SCIENCE,2017,8(1):465.
APA Yang, Yang,Chen, Jian-Guo,Schob, Christian,&Sun, Hang.(2017).Size-Mediated Interaction between a Cushion Species and Other Non- cushion Species at High Elevations of the Hengduan Mountains, SW China.FRONTIERS IN PLANT SCIENCE,8(1),465.
MLA Yang, Yang,et al."Size-Mediated Interaction between a Cushion Species and Other Non- cushion Species at High Elevations of the Hengduan Mountains, SW China".FRONTIERS IN PLANT SCIENCE 8.1(2017):465.
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