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Alpine community recruitment potential is determined by habitat attributes in the alpine ecosystems of the Himalaya-Hengduan Mountains, SW China
Chen,Xufang; Qian,Lishen; Zhang,Yazhou; Shi,Honghua; Sun,Hang; Chen,Jianguo
2021
Source PublicationECOLOGY AND EVOLUTION
ISSN2045-7758
Volume11Issue:23Pages:17397-17408
AbstractThe fragility and sensitivity to climate change of alpine ecosystems make it difficult to maintain the stability of their plant communities. Thus, it is important to determine which plant propagules are stored in the soils in order to understand community recruitment potential, especially under different environmental conditions. Based on a soil seed germination and seedling cultivation experiment, we aimed to identify differences in the soil seed attributes between three typical habitat types in the alpine subnival ecosystems of the Himalaya-Hengduan Mountains and hence to predict the community recruitment potential of each of these different communities. We found that the seed assemblages in the soils differed between habitats. The most abundant taxa were from the genera Saxifraga, Kobresia, Arenaria, Polygonum, Draba, and Viola, while the taxa with lowest abundance were Apiaceae, Campanulaceae, Circaea, Crassulaceae, and Gentiana. Different habitats exhibited variable soil seed richness, diversity, and density. However, the patterns differed between study sites. Specifically, at Baima (BM) and Shika (SK) snow mountains, soil seed richness, diversity, and density were generally highest in grassland, followed by rock bed and bare ground. In contrast, on Jiaozi (JZ) snow mountain, the rock bed supported the highest soil seed richness and density, followed by grassland and bare ground. These results suggest that the attributes of habitats and communities can both affect the accumulation of soil seeds. Bare ground supports the lowest seed diversity and density but also harbors the most empty niches. We, therefore, predict that, once the thermal conditions become suitable as a result of global warming, this habitat has the potential to see greater changes than grassland and rock bed in terms of community recruitment.
Keywordalpine ecosystem community recruitment habitat type Himalaya-Hengduan Mountain seed bank species diversity SOIL SEED BANK MICROSITE LIMITATION GLACIER FORELAND PLANT COMMUNITY CUSHION PLANTS CLIMATE-CHANGE SPECIES-POOL DISPERSAL DESERT STRATEGIES
DOI10.1002/ece3.8373
WOS IDWOS:000720257400001
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Document Type期刊论文
Identifierhttp://ir.kib.ac.cn/handle/151853/73295
Collection中国科学院昆明植物研究所
Affiliation1.Chinese Acad Sci, Kunming Inst Bot, Key Lab Plant Divers & Biogeog East Asia, Kunming, Yunnan, Peoples R China
2.Univ Chinese Acad Sci, Beijing, Peoples R China
3.Yunnan Univ, Sch Life Sci, Kunming, Yunnan, Peoples R China
Recommended Citation
GB/T 7714
Chen,Xufang,Qian,Lishen,Zhang,Yazhou,et al. Alpine community recruitment potential is determined by habitat attributes in the alpine ecosystems of the Himalaya-Hengduan Mountains, SW China[J]. ECOLOGY AND EVOLUTION,2021,11(23):17397-17408.
APA Chen,Xufang,Qian,Lishen,Zhang,Yazhou,Shi,Honghua,Sun,Hang,&Chen,Jianguo.(2021).Alpine community recruitment potential is determined by habitat attributes in the alpine ecosystems of the Himalaya-Hengduan Mountains, SW China.ECOLOGY AND EVOLUTION,11(23),17397-17408.
MLA Chen,Xufang,et al."Alpine community recruitment potential is determined by habitat attributes in the alpine ecosystems of the Himalaya-Hengduan Mountains, SW China".ECOLOGY AND EVOLUTION 11.23(2021):17397-17408.
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