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题名Evaluation of soil nutrient characteristics in Tianshan Mountains, North-western China
作者
发表日期2022-10-01
发表期刊Ecological Indicators
ISSN/eISSN1470-160X
卷号143
摘要

Background: Soil nutrients are the basic properties and essential characteristics of the soil. Study of areal variability of soil nutrients is an important fundamental work for regional planning, environmental protection, and regionally sustainable development. Dynamic changes in soil nutrients are affected by factors such as soil type, fertilization, farming, irrigation, altitude, and climate. This study takes the Tianshan Mountains, located in the central region of Xinjiang, China, as this region is not only a hub for agriculture, industry, transportation, and tourism, but also it is crucial as a forest-grassland transition zone. Purpose: Through field sampling, laboratory analysis and supported by statistical analysis, we investigated the soil nutrient characteristics and the soil nutrient index to gain a spatial image of soil nutrient status in Tianshan followed by the discussion of those influencing factors. Methods: We selected suitable locations along the forest-grassland transition zone to excavate pits of 40 cm × 40 cm in area and 100 cm in depth. A total of 133 soil samples were collected from 0–5 cm, 5–20 cm, and 20–40 cm in pairs (woodland, grassland). Five soil nutrients (soil organic matter (SOM), available nitrogen (AN), available phosphorus (AP), available potassium (AK) and total salts were selected for experimental, multivariate statistical, correlation and soil nutrient index analyses. Result and discussion: The results show that (1) the average soil nutrient indices of the western area (M-T and K-B sites) were 0.5 and 0.24, respectively, higher than 0.2 of the eastern area (B-A site); (2) in soil layers of different depths of these three locations, all nutrients except the total salts (SOM, AN, AP, and AK) decreased with the increase in depth; (3) more fertile soils distribute in the western area (M-T and K-B sites) than in others of the Tianshan Mountains, showing higher soil nutrient contents and nutrient indices, abundant vegetation with greater diversity, higher vegetation coverage (80%-90%), and higher altitude. Conclusion: It can be concluded that the differentiation of soil nutrient index between western and eastern section of Tianshan were attributed to theirs’ vegetation type and coverage, altitude, and more importantly, human activity.

关键词Ecological barrier Forest-grassland transition zone Northwestern China Soil nutrient index Tianshan Mountains
DOI10.1016/j.ecolind.2022.109431
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收录类别SCIE
语种英语English
WOS研究方向Biodiversity & Conservation ; Environmental Sciences & Ecology
WOS类目Biodiversity Conservation ; Environmental Sciences
WOS记录号WOS:000863257700004
Scopus入藏号2-s2.0-85137711231
引用统计
被引频次:9[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符https://repository.uic.edu.cn/handle/39GCC9TT/10020
专题理工科技学院
通讯作者Wang, Li
作者单位
1.Key Laboratory of Land Surface Pattern and Simulation,Institute of Geographical Sciences and Natural Resources Research,Chinese Academy of Sciences,Beijing,No. 11 Datun Road,100101,China
2.College of Resources and Environment,University of Chinese Academy of Sciences,Beijing,100049,China
3.School of Engineering and Built Environment,Griffith University,Brisbane,Nathan Campus,4111,Australia
4.Foreign Environmental Cooperation Center,Ministry of Ecology and Environment,Beijing,100035,China
5.Department of Life Science,Faculty of Science and Technology,Beijing Normal University-Hong Kong Baptist University United International College,Zhuhai,2000 Jintong Road, Tangjiawan, Guangdong Province,519087,China
推荐引用方式
GB/T 7714
Tudi, Muyesaier,Li, Hongying,Li, Haironget al. Evaluation of soil nutrient characteristics in Tianshan Mountains, North-western China[J]. Ecological Indicators, 2022, 143.
APA Tudi, Muyesaier., Li, Hongying., Li, Hairong., Wang, Li., Yang, Linsheng., .. & Ruan, Huada Daniel. (2022). Evaluation of soil nutrient characteristics in Tianshan Mountains, North-western China. Ecological Indicators, 143.
MLA Tudi, Muyesaier,et al."Evaluation of soil nutrient characteristics in Tianshan Mountains, North-western China". Ecological Indicators 143(2022).
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