| Contrasting effects of two phenotypes of an alpine cushion plant on understory species drive community assembly | |
Liu, Ziyang1; Michalet, Richard2; Wang, Chenyue1; Wang, Yajun1; Chen, Jingwei3; Cui, Hanwen3; Song, Hongxian1; Wang, Jiajia1; Yang, Zi1; An, LZ(安黎哲)1 ; Xiao, Sa3; Chen, SY(陈书燕)1,4 | |
| 2023-02-10 | |
| Source Publication | SCIENCE OF THE TOTAL ENVIRONMENT Impact Factor & Quartile |
| ISSN | 0048-9697 |
| Volume | 859 |
| Abstract | In alpine systems, cushion plants act as foundation species by ameliorating local environmental conditions. Empirical studies indicate that contrasting phenotypes of alpine cushion species have different effects on understory plant spe-cies, either facilitative or competitive. Furthermore, dependent species within each community type might also exhibit different responses to each cushion phenotype, which can be clustered into several response groups. Additionally, these species-groups specific responses to alpine cushion species phenotypes could alter community assembly. How-ever, very few studies have assessed responses of dependent communities at species-group levels, in particular for both above-and below-ground communities. Here, we selected a loose and a tight phenotype of the alpine cushion spe-cies Thylacospermum caespitosum in two sites of northwest China, and use the relative intensity of interactions index to quantify cushion plant effects on subordinate communities of plants and soil fungi and bacteria. We assessed variations in responses of both above-and below-ground organisms to cushion plant effects at species-group level. Species-group level analyses showed that the effects of the phenotype varied among groups of each of the three community types, and different species-groups were composed by unique taxa. Additionally, we found that loose cushions enhanced stochas-tic processes in community assembly, for plants and soil fungi but not for soil bacteria. These variations of phenotypic effects on different species-group induced contrasting taxonomic composition between groups, and alter community assembly thereby. Our study highlights the occurrence of contrasting effects of two phenotypes of a foundation cushion plant on understory plants, soil fungi and bacteria community composition, but not necessarily on their richness. We also showed that assessing responses of understory species at the species-group level allows a more realistic and mech-anistic understanding of biotic interactions both for above-and below-ground communities. |
| Keyword | Facilitation Cushion plant Phenotype Alpine ecosystem Soil microbe Stochastic processes |
| Publisher | ELSEVIER |
| DOI | 10.1016/j.scitotenv.2022.160154 |
| Indexed By | SCIE |
| Language | 英语 |
| WOS Research Area | Environmental Sciences & Ecology |
| WOS Subject | Environmental Sciences |
| WOS ID | WOS:000898837900002 |
| Original Document Type | Article |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | https://ir.lzu.edu.cn/handle/262010/492677 |
| Collection | 生命科学学院 |
| Affiliation | 1.Lanzhou Univ, Sch Life Sci, Key Lab Cell Act, Stress Adaptat Minist Educ, Tianshui Rd 222, Lanzhou, Gansu, Peoples R China; 2.Univ Bordeaux, Environm & Paleoenvironnements Ocean & Continentau, Bordeaux, France; 3.Lanzhou Univ, Coll Ecol, State Key Lab Herbage Improvement & Grassland Agro, Tianshui Rd 222, Lanzhou, Gansu, Peoples R China; 4.Lanzhou Univ, Sch Life Sci, 222 Tianshui Rd, Lanzhou 730000, Gansu, Peoples R China |
| First Author Affilication | School of Life Sciences |
| Recommended Citation GB/T 7714 | Liu, Ziyang,Michalet, Richard,Wang, Chenyue,et al. Contrasting effects of two phenotypes of an alpine cushion plant on understory species drive community assembly[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2023,859. |
| APA | Liu, Ziyang.,Michalet, Richard.,Wang, Chenyue.,Wang, Yajun.,Chen, Jingwei.,...&Chen, Shuyan.(2023).Contrasting effects of two phenotypes of an alpine cushion plant on understory species drive community assembly.SCIENCE OF THE TOTAL ENVIRONMENT,859. |
| MLA | Liu, Ziyang,et al."Contrasting effects of two phenotypes of an alpine cushion plant on understory species drive community assembly".SCIENCE OF THE TOTAL ENVIRONMENT 859(2023). |
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