Studies on Soil Microbial Populations and Enzyme Activities of Degraded Hilly Meadow under Different Vegetative Restoration Measures in Yunnan Province

doi:10.11733/j.issn.1007-0435.2008.03.009

›› 2008, Vol. 16 ›› Issue (3): 256-261.DOI: 10.11733/j.issn.1007-0435.2008.03.009

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Studies on Soil Microbial Populations and Enzyme Activities of Degraded Hilly Meadow under Different Vegetative Restoration Measures in Yunnan Province

JIANG Hua¹, BI Yu-fen¹, ZHU Dong-bin¹, ZHOU He ²

1. College of Animal Science, Yunnan Agricultural University, Kunming, Yunnan Province 650201, China;
2. Institute of Grassland Science, China Agricultural University, Beijing 100094, China

Received:2006-03-14 Revised:2008-03-26 Online:2008-06-15 Published:2008-06-15

恢复措施对云南退化山地草甸土壤微生物和酶活性的影响

姜华¹, 毕玉芬¹, 朱栋斌¹, 周禾²

1. 云南农业大学动物科学技术学院, 昆明, 650201;
2. 中国农业大学草地研究所, 北京, 100094

通讯作者: 毕玉芬;周禾
作者简介:姜华(1976- ),女,吉林梅河口人,博士,研究方向为牧草遗传育种和草地农业生态学,E-mail:jianghua15@163.com
基金资助:
云南省自然基金重点项目资助(2003C0008Z)

Abstract

Abstract: There are different degrees of degradation in grasslands of Yunnan province.The effects of different vegetative restoration measures on soil microbial number,soil urease activity,and soil catalase activity were studied using enclosure,reseeding,and reconstruction at different degrees of degraded hilly meadows of Yunnan province and taking the fence outside area as CK.The results show that bacterial number from reseeding was significantly higher than other treatments and CK(P<0.05),followed by enclosure and reconstruction.Fungi and actinomycetes quantities under reconstruction were the most and followed by reseeding and enclosure.For the soil urease activity and catalase activity,enclosure was in the first place and followed by reseeding and reconstruction.The correlation between the activity of soil urease or soil catalase and the number of bacteria was positively significant.

Key words: Hilly meadow, Restoration, Microbe, Catalase activity, Urease activity

摘要： 采用围栏封育、补播、重建等恢复措施,并以围栏外为对照,研究各措施对不同退化梯度的山地草甸土壤微生物数量、脲酶活性和过氧化氢酶活性的影响.结果表明:土壤细菌的数量补播显著高于其它措施和对照(P<0.05);各植被恢复措施对山地草甸细菌数量的影响基本上表现为补播>自然封育>重建,而对真菌和放线菌数量的影响为重建>补播>自然封育;对土壤脲酶活性和过氧化氢酶活性的影响为自然封育>补播>重建;土壤脲酶活性与细菌数量呈显著正相关,过氧化氢酶活性与细菌数量呈显著正相关.

关键词: 山地草甸, 恢复, 微生物, 过氧化氢酶活性, 脲酶活性

CLC Number:

S154.2

JIANG Hua, BI Yu-fen, ZHU Dong-bin, ZHOU He . Studies on Soil Microbial Populations and Enzyme Activities of Degraded Hilly Meadow under Different Vegetative Restoration Measures in Yunnan Province[J]. , 2008, 16(3): 256-261.

姜华, 毕玉芬, 朱栋斌, 周禾. 恢复措施对云南退化山地草甸土壤微生物和酶活性的影响[J]. , 2008, 16(3): 256-261.

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Studies on Soil Microbial Populations and Enzyme Activities of Degraded Hilly Meadow under Different Vegetative Restoration Measures in Yunnan Province

恢复措施对云南退化山地草甸土壤微生物和酶活性的影响

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