Arid
DOI10.1016/j.catena.2022.106695
Patterns and driving mechanism of soil organic carbon, nitrogen, and phosphorus stoichiometry across northern China's desert-grassland transition zone
Lu, Jiannan; Feng, Shuang; Wang, Shaokun; Zhang, Baolong; Ning, Zhiying; Wang, Ruixiong; Chen, Xueping; Yu, Liangliang; Zhao, Hongsheng; Lan, Dengming; Zhao, Xueyong
通讯作者Zhao, XY
来源期刊CATENA
ISSN0341-8162
EISSN1872-6887
出版年2023
卷号220
英文摘要Desert-grassland transition zone is a critical ecological barrier frontier against sandstorms and desertification in northern China. Soil nutrient stoichiometry is closely related to plant community biomass, biodiversity, ecosystem functions and stability. However, how the relationship between climate, vegetation, and soil property drives the spatial pattern of soil nutrient stoichiometry remains unclear. We investigated soil organic carbon (SOC), total nitrogen (TN), and total phosphorus (TP) contents and their ratios (C:N, C:P and N:P) from 82 sites located in a desert-grassland transition zone in Inner Mongolia. SOC, TN, and TP contents, and soil C:P and N:P ratios were higher in typical grassland than that in shrub desert, higher in aridisols than in desert soil and desert eolian sand soil. The C:N ratio showed no significant difference between different vegetation types. SOC and TN contents showed an apparent decrease with soil depth in aridisols, of which the surface was well-covered by herbaceous plants. Soil TP content, C:N, C:P, and N:P ratios are different primarily among soil types, but not along soil depth, which may be mainly attributed to SOC, TN, and TP changed synergistically and weak soil leaching in desert areas. Redundancy analysis showed that precipitation, and silt and clay content were the most critical factors influencing SOC, TN, and TP stoichiometry. Structural equation modeling revealed that precip-itation could impact soil nutrient stoichiometry by affecting the vegetation and soil physicochemical properties. Temperature and soil pH had impact on the mineralization and decomposition of organic matters, and significant direct and negative effect on SOC, TN, C:P, and N:P (except MAT) ratio. Our results highlighted the importance of current climate change on soil organic C, TN, and TP contents and C:N:P stoichiometry, and future climate change and its eco-impact in the desert-grassland transition zone.
英文关键词Desert grassland Soil depth Environmental drivers C N P stoichiometry
类型Article
语种英语
收录类别SCI-E
WOS记录号WOS:000874675300001
WOS关键词N-P STOICHIOMETRY ; GLOBAL PATTERNS ; PLANT ; CLIMATE ; ECOSYSTEMS ; LIMITATION ; FEEDBACKS ; RESPONSES ; DYNAMICS ; ARIDITY
WOS类目Geosciences, Multidisciplinary ; Soil Science ; Water Resources
WOS研究方向Geology ; Agriculture ; Water Resources
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/395657
推荐引用方式
GB/T 7714
Lu, Jiannan,Feng, Shuang,Wang, Shaokun,et al. Patterns and driving mechanism of soil organic carbon, nitrogen, and phosphorus stoichiometry across northern China's desert-grassland transition zone[J],2023,220.
APA Lu, Jiannan.,Feng, Shuang.,Wang, Shaokun.,Zhang, Baolong.,Ning, Zhiying.,...&Zhao, Xueyong.(2023).Patterns and driving mechanism of soil organic carbon, nitrogen, and phosphorus stoichiometry across northern China's desert-grassland transition zone.CATENA,220.
MLA Lu, Jiannan,et al."Patterns and driving mechanism of soil organic carbon, nitrogen, and phosphorus stoichiometry across northern China's desert-grassland transition zone".CATENA 220(2023).
条目包含的文件
条目无相关文件。
个性服务
推荐该条目
保存到收藏夹
导出为Endnote文件
谷歌学术
谷歌学术中相似的文章
[Lu, Jiannan]的文章
[Feng, Shuang]的文章
[Wang, Shaokun]的文章
百度学术
百度学术中相似的文章
[Lu, Jiannan]的文章
[Feng, Shuang]的文章
[Wang, Shaokun]的文章
必应学术
必应学术中相似的文章
[Lu, Jiannan]的文章
[Feng, Shuang]的文章
[Wang, Shaokun]的文章
相关权益政策
暂无数据
收藏/分享

除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。