|本期目录/Table of Contents|

[1]孙丽静,蒋益成.岭南不同园林植物根区土壤微生物功能多样性季节动态变化[J].江苏农业科学,2016,44(10):478-483.
 Sun Lijing,et al.Seasonal variation of soil microbial community diversity in roots of different landscape plants in south of the Five Ridges[J].Jiangsu Agricultural Sciences,2016,44(10):478-483.
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岭南不同园林植物根区土壤微生物功能多样性季节动态变化(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第44卷
期数:
2016年10期
页码:
478-483
栏目:
资源与环境
出版日期:
2016-10-25

文章信息/Info

Title:
Seasonal variation of soil microbial community diversity in roots of different landscape plants in south of the Five Ridges
作者:
孙丽静1 蒋益成2
1.广东科贸职业学院,广东广州 510430; 2.四川农业大学旅游学院,四川成都 611830
Author(s):
Sun Lijinget al
关键词:
园林植物土壤微生物群落多样性季节动态主成分分析相关分析
Keywords:
-
分类号:
S154.3
DOI:
-
文献标志码:
A
摘要:
利用Biolog微平板法研究岭南不同园林植物(草本、灌木和乔木)根区土壤微生物多样性群落特征及其季节动态。结果表明,植物根区土壤略显酸性,季节间pH值大小依次为春季>冬季>秋季>夏季,差异不显著;不同类型植物根区土壤养分含量排序基本为草本>灌木>乔木,不同季节根区土壤养分含量基本表现为夏季>秋季>春季>冬季;土壤微生物群落代谢颜色变化率(AWCD)随季节呈先增加后降低趋势,表现为草本>灌木、乔木;土壤微生物对不同种类碳源的利用强度存在较大差异,碳水化合物和羧酸类碳源是不同园林植物土壤微生物的主要碳源,其次为氨基酸类、酚酸类和聚合物类,胺类碳源的利用率最低;土壤微生物群落的物种丰富度以草本最高,灌木次之,乔木最低,随季节呈先增加后降低趋势。主成分分析结果表明,从31个因素中提取的在碳源利用中起主要贡献作用的是胺类和氨基酸类碳源;相关性分析表明,土壤养分和土壤pH值与微生物群落功能多样性密切相关,其中土壤pH值对土壤微生物群落功能多样性贡献为负,土壤养分对土壤微生物群落功能多样性贡献为正,这是造成园林植物土壤微生物群落多样性和根区土壤微生物群落功能多样性季节差异的主要原因。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2016-03-16
基金项目:国家教育部、财政部关于“高等职业学校提升专业服务产业发展能力”园林工程技术专业建设项目[编号:教职成厅函(2011)71号]。
作者简介:孙丽静(1981—),女,河南南阳人,硕士,讲师,主要研究方向为园林植物应用及森林培育。E-mail:Leejing_sun@163.com。
更新日期/Last Update: 2016-10-25