气候变化领域集成服务门户(CCPortal): Degradation rather than warming delays onset of reproductive phenology of annual Chenopodium glaucum on the Tibetan Plateau

CCPortal

DOI	10.1016/j.agrformet.2021.108688
	Degradation rather than warming delays onset of reproductive phenology of annual Chenopodium glaucum on the Tibetan Plateau
	Ji Suonan; Cui, Shujuan; Lv, Wangwang; Wang, Wenying; Li, Bowen; Liu, Peipei; Huan Hong; Yang Zhou; Qi Wang; Jiang, Lili; Dorji, Tsechoe; Wang, Shiping
通讯作者	Wang, SP (通讯作者)
发表日期	2021
ISSN	0168-1923
EISSN	1873-2240
卷号	311
英文摘要	With degradation and desertification of alpine meadows due to climate warming and overgrazing, the distribution of annual plant species has greatly expanded on the Tibetan Plateau. Most phenological studies in the past decades have mainly focused on perennial plants, and few have studied the phenology of annual plants, despite their different life history. Lack of knowledge regarding how phenological sequences of annual plants respond to climatic warming in degraded areas limits our ability to restore and protect degraded alpine ecosystems under future warming. To study the independent and interactive effects of degradation and warming on the phenological sequences of the annual plant, Chenopodium glaucum, we conducted a two-factor control experiment (degradation: moderate and severe degradation; warming: non-warming and open-top chamber warming) on the Tibetan Plateau during 2014-2016. Our results indicated that out of six phenophases of the annual plant warming only delayed first fruit setting. However, degradation delayed the onset of reproductive phenology of the annual plant, which may cause by decreased soil nutrient, above-ground biomass and richness led by degradation. Furthermore, the independent and interactive effects of degradation and warming on phenological events showed significant interannual variation. Given the vital role of C. glaucum on colonizing desertified ground and promoting vegetation restoration, these mechanisms may be essential for the persistence of the species in the highly degraded alpine meadows on the Tibetan Plateau.
关键词	KOBRESIA-PYGMAEA ECOSYSTEM FLOWERING PHENOLOGY PLANT PHENOLOGY CLIMATE-CHANGE ALPINE MEADOW AVAILABILITY GRASSLANDS DIVERSITY RESPONSES GERMINATION
英文关键词	Climate warming; Degradation; Annual plant; Phenological sequences; Alpine meadow; Tibetan plateau
语种	英语
WOS研究方向	Agriculture ; Forestry ; Meteorology & Atmospheric Sciences
WOS类目	Agronomy ; Forestry ; Meteorology & Atmospheric Sciences
WOS记录号	WOS:000710990900009
来源期刊	AGRICULTURAL AND FOREST METEOROLOGY
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/260379
推荐引用方式 GB/T 7714	Ji Suonan,Cui, Shujuan,Lv, Wangwang,et al. Degradation rather than warming delays onset of reproductive phenology of annual Chenopodium glaucum on the Tibetan Plateau[J]. 中国科学院青藏高原研究所,2021,311.
APA	Ji Suonan.,Cui, Shujuan.,Lv, Wangwang.,Wang, Wenying.,Li, Bowen.,...&Wang, Shiping.(2021).Degradation rather than warming delays onset of reproductive phenology of annual Chenopodium glaucum on the Tibetan Plateau.AGRICULTURAL AND FOREST METEOROLOGY,311.
MLA	Ji Suonan,et al."Degradation rather than warming delays onset of reproductive phenology of annual Chenopodium glaucum on the Tibetan Plateau".AGRICULTURAL AND FOREST METEOROLOGY 311(2021).