青海湖湖东区土-草-普氏原羚系统中微量元素含量研究

草业学报 ›› 2012, Vol. 21 ›› Issue (6): 145-150.

青海湖湖东区土-草-普氏原羚系统中微量元素含量研究

周立业^1,2,蒲秀瑛³

1.内蒙古民族大学农学院,内蒙古通辽 028042;
2.甘肃农业大学草业学院,甘肃兰州 730000;
3.兰州理工大学生命科学院,甘肃兰州 730000

收稿日期:2011-12-06 出版日期:2012-06-25 发布日期:2012-12-20
作者简介:周立业(1969-),女,内蒙古乌兰察布人,副教授,博士。E-mail:toni2002@126.com
基金资助:
内蒙古民族大学科研创新团队支持计划(nmd1003)和国家自然科学基金重点项目(30730069)资助。

Research on the trace element contents of a soil-grass-Przewalski’s gazelle ecosystem in Hudong, Qinghai, China

ZHOU Li-ye^1,2, PU Xiu-ying³

1.College of Agriculture, Inner Mongolia University for The Nationalities, Tongliao 028042, China;
2.Pratacultural College of Gansu Agricultural University, Lanzhou 730000, China;
3.College of Life Science, Lanzhou University of Technology, Lanzhou 730000, China

Received:2011-12-06 Online:2012-06-25 Published:2012-12-20

摘要/Abstract

摘要： 为明确微量元素在土-草-普氏原羚生态系统中的分布特性,探讨微量元素含量对普氏原羚生长繁殖的影响,对青海湖东区普氏原羚生境的土壤、牧草以及普氏原羚血样和毛样中6种微量元素硒(Se)、铜(Cu)、锰(Mn)、铁(Fe)、锌(Zn)、钼(Mo)含量进行了测定分析。结果表明,土壤中夏季Se和Mo严重缺乏,秋冬季Cu、Mo和Zn严重缺乏,而Fe、Mn含量盈富;3个季节牧草中的Cu、Mo、Se均缺乏,Fe、Mn、Zn在正常范围。土壤和牧草中Cu、Mn、Zn和Se含量在夏季存在显著相关性,在秋季Cu和Zn含量显著相关,而冬季只有土壤和牧草中的Mo具有一定的相关性。冬季,普氏原羚毛样中Fe、Mn、Zn的含量高于血清, Cu、Mo、Se含量则略低于血清;除1只雌性普氏原羚血清中Cu、Zn含量偏低,分别为4.96和4.63 μmol/L外,其余4只普氏原羚血清Cu、Zn含量均在9.50和7.81 μmol/L左右。

Abstract: The distribution of trace elements in a soil-grass-Przewalski’s gazelle ecosystem were studied together with their influence on the growth and reproduction of Przewalski’s gazelle. Soil and herbages in the habitat of Przewalski’s gazelle together with the blood and the wool of Przewalski’s gazelle were sampled. The contents of Se, Cu, Mn, Fe, Zn and Mo were assayed and their relevance was analyzed. The soil in the habitat had a serious lack of Se and Mo in summer, but of Cu, Mo and Zn in autumn and winter, whereas Fe and Mn were very rich in all three seasons. Cu, Mo and Se were severely lacking in the forage, but Fe, Mn and Zn contents were normal. There were positive correlations for the contents of Cu, Mn Zn and Se in the forage and the soil in summer, for Cu or Zn in antumn and for Mo in winter. In winter, the contents of Fe, Mn, Zn in the blood of Przewalski’s gazelle were higher than in the wool. Cu, Mo, Se content was slightly lower than serum; In addition, one female Cu, Zn in the Przewalski’s gazelle serum were low, the content was 4.96 and 4.63 μmol/L, respectively, the rest of four Przewalski’s gazelle serum Cu, Zn content were about 9.50 and 7.81 μmol/L.

中图分类号:

S812

周立业,蒲秀瑛. 青海湖湖东区土-草-普氏原羚系统中微量元素含量研究[J]. 草业学报, 2012, 21(6): 145-150.

ZHOU Li-ye, PU Xiu-ying. Research on the trace element contents of a soil-grass-Przewalski’s gazelle ecosystem in Hudong, Qinghai, China[J]. Acta Prataculturae Sinica, 2012, 21(6): 145-150.

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