NIU Yun,JING Wen-mao.Study of Soil Different Quality Under Main Vegetation Types in Qilian Mountains (North Slope)[J].Research of Soil and Water Conservation,2008,15(04):258-260,263.
祁连山北坡主要植被下土壤异质性研究
- Title:
- Study of Soil Different Quality Under Main Vegetation Types in Qilian Mountains (North Slope)
- 分类号:
- S714
- 摘要:
- 采用半微量凯氏、氢氧化钠-钼锑抗比色法、CaCO3分子式求法、土壤烘干法、环刀法等进行土壤异质性相关因子调查与分析，结果表明：（1）山地灰褐土、山地淋溶灰褐土、亚高山灌丛草甸土、山地栗钙土的有机质含量分别为11.88%、10.85%、10.73%、1.65%。（2）青海云杉林、高山灌丛林、祁连圆柏林、低山灌丛林、牧坡草地、无林地0-60 cm土壤容重依次减小，而总孔隙度依次增大。
- Abstract:
- Using the semi-micro-kelvin, the sodium hydroxide-molybdenum stibium anti-color method, the CaCO3 molecular formula, soil drying method, ring sampler method to carry on correlation investigation and the analysis of soil different quality, the results showed that: (1) mountainous gray brow soils, the mountainous leaching gray brow, the sub-alpine brush meadow soil, the mountainous chestnut soil organic content respectively are 11.88%, 10.85%, 10.73%, 1.65%.(2)The soil volume-weight in 0-60 cm deep of Picea crassifolia, alpine bushwood, Sabian przewalskii, the low mountain bushwood, meadowland, open ground reduce in turn, but the gross porosity increases in turn.
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备注/Memo
收稿日期:2007-7-17。
基金项目:国家林业局项目“甘肃祁连山水源涵养林生态水文过程机理研究”
作者简介:牛贇（1974- ），男，甘肃通渭人，硕士，工程师，主要从事森林生态与水文方面的研究。E-mail：niuyun2028@163.com