Soil moisture and texture primarily control the soil nutrient stoichiometry across the Tibetan grassland
文献类型: 外文期刊
第一作者: Tian, Liming
作者: Tian, Liming;Zhao, Lin;Wu, Xiaodong;Zhao, Yonghua;Hu, Guojie;Yu, Guangyang;Zou, Defu;Tian, Liming;Zhao, Lin;Fang, Hongbing;Sheng, Yu;Wu, Jichun;Chen, Ji;Wang, Zhiwei;Li, Wangping;Ping, Chien-Lu;Shang, Wen;Zhao, Yuguo;Zhang, Ganlin;Tian, Liming
作者机构:
关键词: Alpine grassland;Nutrient interaction;Nutrient stoichiometry;Permafrost;Soil nutrients;Tibetan Plateau
期刊名称:SCIENCE OF THE TOTAL ENVIRONMENT ( 影响因子:7.963; 五年影响因子:7.842 )
ISSN: 0048-9697
年卷期: 2018 年 622 卷
页码:
收录情况: SCI
摘要: Soil nutrient stoichiometry and its environmental controllers play vital roles in understanding soil-plant interaction and nutrient cycling under a changing environment, while they remain poorly understood in alpine grassland due to lack of systematic field investigations. We examined the patterns and controls of soil nutrients stoichiometry for the top 10 cm soils across the Tibetan ecosystems. Soil nutrient stoichiometry varied substantially among vegetation types. Alpine swamp meadow had larger topsoil C:N, C:P, N: P, and C:K ratios compared to the alpine meadow, alpine steppe, and alpine desert. In addition, the presence or absence of permafrost did not significantly impact soil nutrient stoichiometry in Tibetan grassland. Moreover, clay and silt contents explained approximately 32.5% of the total variation in soil C: N ratio. Climate, topography, soil properties, and vegetation combined to explain 10.3-13.2% for the stoichiometry of soil C: P, N: P, and C: K. Furthermore, soil C and N were weakly related to P and K in alpine grassland. These results indicated that the nutrient limitation in alpine ecosystem might shifts from N-limited to P-limited or K-limited due to the increase of N deposition and decrease of soil P and K contents under the changing climate conditions and weathering stages. Finally, we suggested that soil moisture and mud content could be good predictors of topsoil nutrient stoichiometry in Tibetan grassland. (C) 2017 Elsevier B.V. All rights reserved.
分类号:
- 相关文献
作者其他论文 更多>>
-
The transcription factor GmFULc regulates soybean plant height by binding the promoter of a gibberellin-responsive gene
作者:Sun, Jingzhe;Zhang, Xiaoming;Feng, Junhang;Ma, Xiaofei;Ji, Yujia;Chen, Shujun;Li, Jihui;Li, Dongmei;Zhao, Lin;Sun, Jingzhe;Wang, Xiujun
关键词:
-
Optimal nitrogen management increased topsoil organic carbon stock and maintained whole soil inorganic carbon stock to increase soil carbon stock-A 15-year field evidence
作者:Wang, Xingbang;Zhang, Wushuai;Chen, Xinping;Wang, Xingbang;Zhang, Wushuai;Chen, Xinping;Wang, Xingbang;Lakshmanan, Prakash;Zhang, Wushuai;Chen, Xinping;Zhang, Ling;Lakshmanan, Prakash;Lakshmanan, Prakash;Chen, Ji
关键词:Nitrogen management; Soil organic carbon; Soil inorganic carbon; Wheat-maize rotation
-
OsHARBI1-1 enhances cadmium tolerance in yeast through YAP1 mediated modulation of cell wall integrity genes and catalase genes
作者:Shi, Yang;Jiang, Nan;Jiang, Wenjun;Jiao, Yuan;Zhou, Yingxu;Wu, Longying;Huang, Jin;Shi, Yang;Chen, Ji;Wu, Lijuan;Huang, Yanyan;Li, Deqiang;Kumar, Vinod;Hu, Binhua;Huang, Jin
关键词:antioxidant; cadmium tolerance; cell wall;
HARBI1 ;Saccharomyces cerevisiae ;YAP1 -
Insights into the adsorption performance and mechanism of novel 3D bimetallic MOF nanosheets for the high-efficient removal of 6PPD and 6PPD-quinone
作者:Wu, Nannan;Wang, Jiao;Liu, Zhenzhen;Zhao, Huiyu;Di, Shanshan;Wang, Zhiwei;Wang, Xinquan;Qi, Peipei;Zheng, Bing;Zheng, Bing;Di, Shanshan;Wang, Zhiwei;Wang, Xinquan;Qi, Peipei;Di, Shanshan;Wang, Zhiwei;Wang, Xinquan;Qi, Peipei
关键词:3D bimetallic MOFs; 6PPD; 6PPD-quinone; Adsorption mechanism; DFT calculations
-
Characteristics, impacts, and future research directions of Mongolian peatlands
作者:Wu, Xiaodong;Liu, Yadong;Yan, Xuchun;Wei, Xianhua;Fan, Xiaoying;Wang, Dong;Wu, Tonghua;Li, Ren;Hu, Guojie;Zou, Defu;Wu, Xiaodong;Liu, Yadong;Yan, Xuchun;Wei, Xianhua;Fan, Xiaoying;Wang, Dong;Wu, Tonghua;Li, Ren;Hu, Guojie;Zou, Defu;Wu, Xiaodong;Liu, Yadong;Yan, Xuchun;Wei, Xianhua;Fan, Xiaoying;Wang, Dong;Wu, Xiaodong;Bai, Keyu;Bai, Keyu;Dashtseren, Avirmed;Adiya, Saruulzaya
关键词:climate change; human activity; permafrost; soil organic carbon; vegetation
-
Transcriptomic and metabolomic insights into the enantioselective effects of chiral fungicide penflufen and its enantiomers on multi-endpoints in the liver for mice
作者:Di, Shanshan;Bao, Zhiwei;Zhao, Huiyu;Liu, Zhenzhen;Qi, Peipei;Wang, Zhiwei;Wang, Xinquan;Di, Shanshan;Zhao, Huiyu;Liu, Zhenzhen;Qi, Peipei;Wang, Zhiwei;Wang, Xinquan;Bao, Zhiwei;Jin, Yuanxiang
关键词:Metabolomics; Transcriptomics; Chiral penflufen; Enantioselective effects; Transcriptomic analysis; Metabolomics analysis; Male mice
-
Cadmium contamination impairs alkaline tolerance in sugar beet by inhibiting carbon fixation and tryptophan metabolism
作者:Ye, Shuo;Zhou, Xinrui;Tang, Fawei;Qu, Ruixin;Wang, Zhiwei;Hu, Xu;Liu, Yang;Li, Donglin;Liu, Lei;Gai, Zhijia;Li, Xiangnan;Liu, Lei;Zhang, Pengfei;Yang, Kepan;Yang, Kepan
关键词:Alkaline; Cadmium; Carbohydrate metabolism; Combined stresses; Melatonin