洱海沉积物中有机质和DNA的分布特征

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洱海沉积物中有机质和DNA的分布特征

魏中青, 刘丛强, 梁小兵, 汪福顺

文章导航 > 沉积学报 > 2004 > 22(4): 672-675

魏中青, 刘丛强, 梁小兵, 汪福顺. 洱海沉积物中有机质和DNA的分布特征[J]. 沉积学报, 2004, 22(4): 672-675.

引用本文:

魏中青, 刘丛强, 梁小兵, 汪福顺. 洱海沉积物中有机质和DNA的分布特征[J]. 沉积学报, 2004, 22(4): 672-675.

WEI Zhong qing, LIU Cong qiang, LIANG Xiao bing, WANG Fu shu. Characteristics of Organic Matter and DNA in Sediments of Lake Erhai[J]. Acta Sedimentologica Sinica, 2004, 22(4): 672-675.

Citation:

WEI Zhong qing, LIU Cong qiang, LIANG Xiao bing, WANG Fu shu. Characteristics of Organic Matter and DNA in Sediments of Lake Erhai[J]. Acta Sedimentologica Sinica, 2004, 22(4): 672-675.

魏中青, 刘丛强, 梁小兵, 汪福顺. 洱海沉积物中有机质和DNA的分布特征[J]. 沉积学报, 2004, 22(4): 672-675.

引用本文:

魏中青, 刘丛强, 梁小兵, 汪福顺. 洱海沉积物中有机质和DNA的分布特征[J]. 沉积学报, 2004, 22(4): 672-675.

WEI Zhong qing, LIU Cong qiang, LIANG Xiao bing, WANG Fu shu. Characteristics of Organic Matter and DNA in Sediments of Lake Erhai[J]. Acta Sedimentologica Sinica, 2004, 22(4): 672-675.

Citation:

WEI Zhong qing, LIU Cong qiang, LIANG Xiao bing, WANG Fu shu. Characteristics of Organic Matter and DNA in Sediments of Lake Erhai[J]. Acta Sedimentologica Sinica, 2004, 22(4): 672-675.

洱海沉积物中有机质和DNA的分布特征

1.
中国科学院地球化学研究所环境地球化学国家重点实验室贵阳 550002;
2.
中国科学院研究生院北京 100039

基金项目: 中国科学院创新基金项目(KZCX2-105);国家自然科学基金(批准号:40173038)资助.

作者简介:
魏中青女 1979年出生博士研究生环境地球化学

中图分类号: X142

计量

文章访问数: 592
HTML全文浏览量: 6
PDF下载量: 626
被引次数: 0

Characteristics of Organic Matter and DNA in Sediments of Lake Erhai

1.
State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry,Chinese Academy of Sciences, Guiyang 550002;
2.
Graduate School of the Chinese Academy Sciences, Beijing 100039

摘要: 测定了洱海沉积物中有机碳、氮,提取了沉积物中的DNA。有机碳氮呈现相同的变化趋势降解主要发生在表层10cm;7cm前后氧化-还原条件变化,微生物电子受体改变,所以有机质的降解方式不同,出现不同的特征。利用分子生物学和地球化学相结合的方法,能更全面的认识和理解早期成岩过程。
- DNA /
- 分解速率常数 /
- 有机碳
Abstract: The contents of organic carbon and nitrogen were measured and DNA was extracted in the sediments of Lake Erhai. The distribution of organic carbon and nitrogen is consistent, i.e. degradation of organic carbon and nitrogen occurred in 10cm surface sediments and the modes of degradation change at 7cm, resulting in the different characteristics. Using the methods of molecular biology connecting with geochemistry, diagenesis process can be understood deeply.
- DNA /
- degradation /
- organic carbon

参考文献(15)

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[2]	刘志礼,刘雪娴,李朋富.藻类及其有机质的成矿作用试验.沉积学报,1999,17(1):9～18[Liu Zhili,Liu Xuexian,Li Bengfu. Mineralization tests mode by algae and it's organic matters. Acta Sedimentologica Sinica, 1999,17(1):9～18]
[3]	夏学惠,东野脉兴,周建民,等.滇池现代沉积物中磷的地球化学及其对环境的影响.沉积学报,2002,20(3):416～420[Xia Xuehui, Dong Ye Maixing, Zhou Jianmin,et al. Geochemistry and influence to environment of phosphorus in modern sediment in Dianchi Lake. Acta Sedimentologica Sinica, 2002,20(3): 416～420]
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计量

文章访问数: 592
HTML全文浏览量: 6
PDF下载量: 626
被引次数: 0

洱海沉积物中有机质和DNA的分布特征

1. 中国科学院地球化学研究所环境地球化学国家重点实验室贵阳 550002;

2. 中国科学院研究生院北京 100039

基金项目: 中国科学院创新基金项目(KZCX2-105);国家自然科学基金(批准号:40173038)资助.

作者简介:
魏中青女 1979年出生博士研究生环境地球化学

收稿日期: 2003-12-26
修回日期: 2004-03-09
刊出日期: 2004-12-10

中图分类号: X142

关键词:

DNA /

分解速率常数 /

摘要: 测定了洱海沉积物中有机碳、氮,提取了沉积物中的DNA。有机碳氮呈现相同的变化趋势降解主要发生在表层10cm;7cm前后氧化-还原条件变化,微生物电子受体改变,所以有机质的降解方式不同,出现不同的特征。利用分子生物学和地球化学相结合的方法,能更全面的认识和理解早期成岩过程。

English Abstract

魏中青, 刘丛强, 梁小兵, 汪福顺. 洱海沉积物中有机质和DNA的分布特征[J]. 沉积学报, 2004, 22(4): 672-675.

引用本文:

魏中青, 刘丛强, 梁小兵, 汪福顺. 洱海沉积物中有机质和DNA的分布特征[J]. 沉积学报, 2004, 22(4): 672-675.

WEI Zhong qing, LIU Cong qiang, LIANG Xiao bing, WANG Fu shu. Characteristics of Organic Matter and DNA in Sediments of Lake Erhai[J]. Acta Sedimentologica Sinica, 2004, 22(4): 672-675.

Citation:

WEI Zhong qing, LIU Cong qiang, LIANG Xiao bing, WANG Fu shu. Characteristics of Organic Matter and DNA in Sediments of Lake Erhai[J]. Acta Sedimentologica Sinica, 2004, 22(4): 672-675.

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