江西省表層土壤有機碳庫儲量估算與空間分布特征-資料下載頁
2025-08-19 14:24本頁面
【正文】 n soil organic matter content in . grassland soils[J]. Soil Sci Soc Am J, 1989, 53: 800805. [14] FRANZMEIER D P, LEMME G D, MILES R J. Organic carbon in soils of North Central United States[J]. Soil Sci Soc Am J, 1985, 49: 702708. [15] KERN J S. Spatital patterns of soil organic carbon in the contiguous united states[J]. Soil Sci Soc AM J, 1994, 58: 439455.[16] BATJES N H. Total carbon and nitrogen in the soils of the world[J]. European Journal of Soil Science, 1996, 47: 151163.Organic carbon reserves of topsoil and spatial distribution in Jiangxi provinceYuan Fang1, Zhao Xiaomin1，2, Le Lihong1 , Jia Xueming11. College of Land Resources and Environment, Jiangxi Agricultural University, Nanchang 330045, China；2. Nanchang normal academy, Nanchang 330029, ChinaAbstract: The little change of the soil caborn reserves can cause large change of globe climate. Human activities easily influence the change of topsoil organic carbon pool, So the calculating of topsoil reserves has significance in the study of the pool’s change and potential. Based on a soil database from the soil sampling of Jiangxi by GPS in 2006, topsoil organic carbon density was calculated. Combined with soil map of Jiangxi Province second soil survey and areas in different soil types, Topsoil organic carbon density and reserves were estimated using geographical information system, and the spatial distribution characteristics were discussed. The result showed that the topsoil organic carbon density were from to kgm2 and the reserves were 106 kg, Only red soil and rice soil were % of the total reserves. The amount of carbon varied significantly at different districts in Jiangxi. In the east and west of Jiangxi, like Pingxiang, Yichun and Shangrao, had high organic carbon density. In the south and north, like Jiujiang and Ganzhou, had low density. As a whole, Eastwest direction had high organic carbon density, Southnorth direction was in opposition. Jiangxi is a agricultural province, but the soil caborn researches in human activities are few. Its trends deserve to be discussed more.Key words: soil organic carbon density。 reserves calculation。 spatial distribution。 Jiangxi provin
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