气候变化领域集成服务门户(CCPortal): Patterns and drivers of the belowground bud bank in alpine grasslands on the Qinghai-Tibet Plateau

CCPortal

DOI	10.3389/fpls.2022.1095864
	Patterns and drivers of the belowground bud bank in alpine grasslands on the Qinghai-Tibet Plateau
	Li, Wencheng; Huang, Aiping; Zhou, Tiancai; Liu, Miao; Ma, Sujie; Zhao, Ningning; Wang, Xiangtao; Sun, Jian
发表日期	2023
ISSN	1664-462X
卷号	13
英文摘要	IntroductionIn grassland ecosystems dominated by asexual plants, the maintenance, renewal, and resistance of plant populations to disturbance are more dependent on the belowground bud bank (BBB). However, the response of the BBB to environmental factors in the alpine grassland of the Qinghai-Tibet Plateau (QTP) is still unknown. MethodsTherefore, a transect survey was conducted to measure the size and scale of BBB and 21 factors in the alpine grassland of the QTP. In addition, the critical driving factors of BBB were screened by boost regression tree analysis, and a structural equation model (SEM) was employed to express the path coefficients of the key factors on the BBB size. ResultsThe results showed that BBB size had no significant geographical pattern in the QTP, and the BBB size was mainly accounted for by soil leucine aminopeptidase (LAP, 17.32%), followed by Margalef and Shannon -Wiener indices of plants (12.63% and 9.24%, respectively), and precipitation (9.23%). SEM further indicated significant positive effects of plant diversity (scored at 0.296) and precipitation (scored at 0.180) on BBB size, and a significant negative effect of LAP (scored at 0.280) on BBB size. DiscussionGenerally, the findings allow for better understanding of the regulated mechanisms of BBB size and the importance of the role of bud bank in the restoration of the grassland ecosystem.
关键词	alpine grasslands Qinghai-Tibet Plateau bud bank vegetation reproduction ecological restoration clonal plants
英文关键词	MERISTEM LIMITATION; DYNAMICS; GRASSES; GRADIENT; NITROGEN; GROWTH
WOS研究方向	Plant Sciences
WOS记录号	WOS:000921860300001
来源期刊	FRONTIERS IN PLANT SCIENCE
来源机构	中国科学院青藏高原研究所
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/282670
作者单位	Tibet Agriculture & Animal Husbandry University; Chinese Academy of Sciences; Institute of Tibetan Plateau Research, CAS; Tibet Agriculture & Animal Husbandry University; Tibet Agriculture & Animal Husbandry University; China Agricultural University; Tibet Agriculture & Animal Husbandry University
推荐引用方式 GB/T 7714	Li, Wencheng,Huang, Aiping,Zhou, Tiancai,et al. Patterns and drivers of the belowground bud bank in alpine grasslands on the Qinghai-Tibet Plateau[J]. 中国科学院青藏高原研究所,2023,13.
APA	Li, Wencheng.,Huang, Aiping.,Zhou, Tiancai.,Liu, Miao.,Ma, Sujie.,...&Sun, Jian.(2023).Patterns and drivers of the belowground bud bank in alpine grasslands on the Qinghai-Tibet Plateau.FRONTIERS IN PLANT SCIENCE,13.
MLA	Li, Wencheng,et al."Patterns and drivers of the belowground bud bank in alpine grasslands on the Qinghai-Tibet Plateau".FRONTIERS IN PLANT SCIENCE 13(2023).