干旱区生态环境知识资源中心(Arid): Characteristics, Relationships, and Anatomical Basis of Leaf Hydraulic Traits and Economic Traits in Temperate Desert Shrub Species

Arid

DOI	10.3390/life14070834
	Characteristics, Relationships, and Anatomical Basis of Leaf Hydraulic Traits and Economic Traits in Temperate Desert Shrub Species
	Tan, Fengsen; Cao, Wenxu; Li, Xu; Li, Qinghe
通讯作者	Li, QH
来源期刊	LIFE-BASEL
EISSN	2075-1729
出版年	2024
卷号	14 期号:7
英文摘要	Shrubs are a key component of desert ecosystems, playing a crucial role in controlling desertification and promoting revegetation, yet their growth is often impeded by drought. Leaf hydraulic traits and economic traits are both involved in the process of water exchange for carbon dioxide. Exploring the characteristics, relationships, and anatomical basis of these two suites of traits is crucial to understanding the mechanism of desert shrubs adapting to the desert arid environment. However, the relationship between these two sets of traits currently remains ambiguous. This study explored the leaf hydraulic, economic, and anatomical traits of 19 desert shrub species. The key findings include the following: Relatively larger LT values and smaller SLA values were observed in desert shrubs, aligning with the slow strategy in the leaf economics spectrum. The relatively high P50leaf, low HSMleaf, negative TLPleaf, and positive HSMtlp values indicated that severe embolism occurs in the leaves during the dry season, while most species were able to maintain normal leaf expansion. This implies a tolerance leaf hydraulic strategy in response to arid stress. No significant relationship was observed between P50leaf and Kmax, indicating the absence of a trade-off between hydraulic efficiency and embolism resistance. Certain coupling relationships were observed between leaf hydraulic traits and economic traits, both of which were closely tied to anatomical structures. Out of all of the leaf traits, LT was the central trait of the leaf traits network. The positive correlation between C content and WPleaf and HSMleaf, as well as the positive correlation between N content and HSMtlp, suggested that the cost of leaf construction was synergistic with hydraulic safety. The negative correlation between SLA, P content, GCL, and SAI suggested a functional synergistic relationship between water use efficiency and gas exchange rate. In summary, this research revealed that the coupling relationship between leaf hydraulic traits and economic traits was one of the important physiological and ecological mechanisms of desert shrubs for adapting to desert habitats.
英文关键词	hydraulic efficiency hydraulic safety nutritional element content leaf thickness specific leaf area anatomical structure
类型	Article
语种	英语
开放获取类型	Green Published, gold
收录类别	SCI-E
WOS记录号	WOS:001277073100001
WOS关键词	MESOPHYLL CONDUCTANCE ; CONSTRUCTION COST ; WATER STATUS ; CO2 ; PHOTOSYNTHESIS ; VULNERABILITY ; STEM ; DEHYDRATION ; EFFICIENCY ; CAPACITY
WOS类目	Biology ; Microbiology
WOS研究方向	Life Sciences & Biomedicine - Other Topics ; Microbiology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/404874
推荐引用方式 GB/T 7714	Tan, Fengsen,Cao, Wenxu,Li, Xu,et al. Characteristics, Relationships, and Anatomical Basis of Leaf Hydraulic Traits and Economic Traits in Temperate Desert Shrub Species[J],2024,14(7).
APA	Tan, Fengsen,Cao, Wenxu,Li, Xu,&Li, Qinghe.(2024).Characteristics, Relationships, and Anatomical Basis of Leaf Hydraulic Traits and Economic Traits in Temperate Desert Shrub Species.LIFE-BASEL,14(7).
MLA	Tan, Fengsen,et al."Characteristics, Relationships, and Anatomical Basis of Leaf Hydraulic Traits and Economic Traits in Temperate Desert Shrub Species".LIFE-BASEL 14.7(2024).