Arid
DOI10.3390/land13071028
Analyzing Spatial Distribution and Influencing Factors of Soil Organic Matter in Cultivated Land of Northeast China: Implications for Black Soil Protection
Kong, Depiao; Chu, Nanchen; Luo, Chong; Liu, Huanjun
通讯作者Chu, NC
来源期刊LAND
EISSN2073-445X
出版年2024
卷号13期号:7
英文摘要Soil organic matter (SOM) in cultivated land is vital for land quality and food security. This study examines SOM distribution and influencing factors in northeastern China, providing insights for sustainable agriculture. Utilizing 10 m resolution SOM data, the analysis covers regions including the Greater and Lesser Khingan Mountains, Liaohe Plain, Sanjiang Plain, Songnen Plain, the northwest semi-arid region, and the low hilly areas of Paektu Mountain. The Geodetector method is employed to assess various influencing factors. The key findings are as follows: (1) The average SOM content in Northeast China (37.70 g/kg) surpasses the national average, is highest in the Greater and Lesser Khingan Mountains (49.32 g/kg), and lowest in the northwest semi-arid region (26.15 g/kg). (2) SOM content is maximized in regions with high altitudes, steep slopes, low temperatures, and moderate precipitation. (3) The annual average temperature is the primary factor influencing SOM distribution, with a combination of temperature and administrative divisions providing better explanatory power. (4) SOM trends vary across protected areas, with slope being critical in semi-humid plains, elevation in arid regions, and no dominant factors identified in the Sanjiang Plain. These findings underscore the need for tailored black soil protection policies to effectively leverage local resources and preserve ecosystem integrity.
英文关键词characteristics of spatial distribution Geodetector influencing factors Northeast China remote sensing soil organic matter
类型Article
语种英语
收录类别SSCI
WOS记录号WOS:001277188800001
WOS关键词TEMPERATURE ; CARBON ; INFORMATION ; CLIMATE
WOS类目Environmental Studies
WOS研究方向Environmental Sciences & Ecology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/404819
推荐引用方式
GB/T 7714
Kong, Depiao,Chu, Nanchen,Luo, Chong,et al. Analyzing Spatial Distribution and Influencing Factors of Soil Organic Matter in Cultivated Land of Northeast China: Implications for Black Soil Protection[J],2024,13(7).
APA Kong, Depiao,Chu, Nanchen,Luo, Chong,&Liu, Huanjun.(2024).Analyzing Spatial Distribution and Influencing Factors of Soil Organic Matter in Cultivated Land of Northeast China: Implications for Black Soil Protection.LAND,13(7).
MLA Kong, Depiao,et al."Analyzing Spatial Distribution and Influencing Factors of Soil Organic Matter in Cultivated Land of Northeast China: Implications for Black Soil Protection".LAND 13.7(2024).
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