文献类型：期刊文献

英文题名：Analysis of coupled wetland soil-plant ecological stoichiometric characteristics of carbon, nitrogen, and phosphorus under different disturbance intensities

作者：Zou, Yuhan[1,2,3,4] Tang, Xiying[1,2,3,4] Cui, Lijuan[1,2,3,4] Li, Huazhe[1,2,3,4] Lei, Yinru[1,2,3,4] Zhao, Xinsheng[1,2,3,4] Zhai, Xiajie[1,2,3,4] Li, Jing[1,2,3,4] Wang, Jinzhi[1,2,3,4] Wang, Rumiao[1,2,3,4] Li, Wei[1,2,3,4]

第一作者：Zou, Yuhan

通信作者：Li, W[1];Li, W[2];Li, W[3];Li, W[4]

机构：[1]Chinese Acad Forestry, Inst Ecol Conservat & Restorat, Beijing 100091, Peoples R China;[2]Chinese Acad Forestry, Inst Wetland Res, Beijing 100091, Peoples R China;[3]Beijing Hanshiqiao Natl Wetland Ecosyst Res Stn, Beijing 101300, Peoples R China;[4]Beijing Key Lab Wetland Ecol Funct & Restorat, Beijing 100091, Peoples R China

年份：2024

外文期刊名：PLANT AND SOIL

收录：;Scopus(收录号：2-s2.0-85206972058);WOS:【SCI-EXPANDED(收录号:WOS:001339739300003)】；

基金：This work was funded by two key initiatives: the Certification of Wetland Ecological Characteristics (CAFYBB2021MC006) and the Research on the Evolution of Ecological Quality of Ecosystems in the Yellow River Basin (CAFYBB2021ZB003), under the auspices of the special project for basic scientific research in central public welfare research institutes. These projects provided essential support for the research, underscoring the commitment to enhancing our understanding of wetland ecosystems and their ecological quality, particularly in significant areas like the Yellow River Basin.

语种：英文

外文关键词：Disturbance intensity; Wetland; Soil; Plant; Ecological stoichiometry

摘要：Background and aims Wetlands play an important role in biogeochemical cycle processes and are pivotal in sustaining ecosystem functions and mitigating climate change. This study investigated the intertwined ecological stoichiometry of carbon (C), nitrogen (N), and phosphorus (P) within the soil-plant system of the Hanzhong Crested Ibis National Nature Reserve, Shaanxi, under varying levels of ecological disturbance. Methods We conducted field investigations and nutrient analyses of both plants and soil during the peak growing season in July and August 2022. Results Comprehensive statistical analysis was performed to evaluate variations in soil and plant stoichiometric traits across different disturbance levels within the study area. One-way Analysis of Variance (ANOVA) revealed significant differences in soil and plant stoichiometric traits under varying disturbance intensities (p < 0.05). Regression analysis demonstrated that disturbance intensity is a significant predictor of nutrient variability, particularly affecting soil N and P content. Effect sizes indicated that disturbance has a considerable impact on plant P levels, while Principal Component Analysis (PCA) highlighted distinct clustering of sites based on nutrient stoichiometric ratios, explaining 68% of the variance. The findings underscore the critical role of disturbance intensity in shaping the ecological stoichiometry of wetland ecosystems. Conclusion The findings of this study indicate the significant impacts of disturbance intensity on the stoichiometric traits of soil and plants, particularly highlighted by the elevated C and N levels in PJW under high disturbance conditions. These variations suggest that disturbance regimes could play a critical role in shaping ecological stoichiometry, although further experimental studies are required to delineate the causative mechanisms behind these patterns.