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天山北坡东西段林沿土壤有机质含量特征对比分析/Comparative Analysis of the Organic Matter Contents of Soil from Different Sections of the Northern Slope of Tianshan Mountains[J]
Authors
中国科学院新疆生态与地理研究所,乌鲁木齐,830011
中国科学院新疆生态与地理研究所,乌鲁木齐830011
+4 more
中国科学院研究生院,北京100049
吉力力·阿不都外力
姜逢清
穆叶赛尔·吐地
Publication date
1 January 2013
Publisher
Abstract
对采自天山北坡东段(巴里坤-伊吾区段)和西段(昭苏特克斯和新源—巴音布鲁克区段)下林沿土壤剖面(0-5,5-20,20-40 cm)共计133个土壤样品的有机质含量进行了测定,比较分析了不同区段林沿土壤有机质含量的空间差异.结果表明:天山北坡西段林沿土壤剖面层的有机质含量明显高于天山北坡东段.0 5,5-20,20-40cm土层内土壤的有机质含量均表现为东段低于两段;0-5 cm土壤剖面层内昭苏—特克斯区段的土壤有机质含量高于北坡其他区段.5-20,20-40 cm剖面层内土壤北坡新源-巴音布鲁克区段的土壤有机质含量高于北坡其他区段.天山北坡0-5 cm剖面层内土壤有机质含量的最大值出现在昭苏—特克斯区段,5-20,20-40 cm土层土壤剖面层内有机质含量的最大值出现在新源—巴音布鲁克区段.0 5,5-20,20-40 cm土壤剖面层内土壤有机质含量的最小值出现在巴里坤-伊吾区段.0-5,5 20,20-40 cm土壤剖面层内巴里坤—伊吾区段的变异系数最大.0-5 cm土壤剖面层内巴里坤伊吾区段的土壤有机质含量的变异系数属于强变异,其他两个区段土壤有机质含量的变异系数属于中等变异.5-20,20-40 cm土壤剖面层内研究区域的有机质含量的变异系数属于中等变异型
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Last time updated on 29/11/2016