[1]陈元瑶,魏琮,贺虹,等. 秦岭地区2种蚂蚁巢内土壤理化性质和微生物量的相关性研究[J].西北林学院学报,2012,27(02):121-126.
　CHEN Yuan-yao,WEI Cong,HE Hong,et al. Correlation of Physicochemical Characteristics and Microbial Biomass Among Nest Soil of Camponotus japonicus and Pachycondyla astute in Qinling Mountains[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2012,27(02):121-126.
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 秦岭地区2种蚂蚁巢内土壤理化性质和微生物量的相关性研究()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第27卷
期数:
2012年02期
页码:
121-126
栏目:
出版日期:
2012-03-30

文章信息/Info

Title:
 Correlation of Physicochemical Characteristics and Microbial Biomass Among Nest Soil of Camponotus japonicus and Pachycondyla astute in Qinling Mountains
文章编号:
1001-7461(2012)02-0121-06
作者:
 陈元瑶; 魏琮; 贺虹; 王云果
 （1.西北农林科技大学 林学院，陕西 杨陵 712100；2 西北农林科技大学 植物保护学院，陕西 杨陵 712100）
Author(s):
 CHEN Yuan-yao; WEI Cong; HE Hong; WANG Yun-guo
 (1.College of Forestry, Northwest A&F University, Yangling, Shaanxi 712100, China; 2 College of Plant Protection, Northwest A&F University, Yangling, Shaanxi 712100, China)
关键词:
 ; 日本弓背蚁; 敏捷扁头猛蚁; 土壤理化性质; 微生物量
Keywords:
 ; Camponotus japonicus;  Pachycondyla astuta;  physicochemical characteristics of soil;  microbe biomass
分类号:
S718.554
文献标志码:
A
摘要:
 研究了秦岭牛背梁自然保护区森林生态系统中2种优势蚂蚁(日本弓背蚁Camponotus japonicus和敏捷扁头猛蚁Pachycondyla astuta)的营巢活动对林地土壤理化性质及其微生物量的影响。结果表明：3种不同微生境（日本弓背蚁巢内、敏捷扁头猛蚁巢内及蚁巢外对照）土壤的有机质、全氮、速效氮和速效钾含量均存在显著差异（p < 0.05），表现为敏捷扁头猛蚁巢内＞日本弓背蚁巢内＞巢外土壤；全磷和速效磷的含量虽然无显著差异（p＞0.05），但与蚁巢外土壤相比，日本弓背蚁巢内速效磷含量下降了31.41%，敏捷扁头猛蚁巢内速效磷含量下降了15.09%；三者间含水量差异亦存在显著差异（p<0.05），且蚁巢内土壤均较巢外潮湿；pH值差异不显著，但蚁巢内土壤比巢外土壤略显酸性。营巢活动对土壤微生物量也产生明显影响(p<0.05),2种蚂蚁蚁巢内细菌、放线菌及真菌的cfu/g数量均显著大于巢外土壤（p< 0.05），而敏捷扁头猛蚁巢内3类微生物cfu/g数量又显著大于日本弓背蚁巢内 (p< 0.05)。土壤理化性质和微生物量的相关性分析表明：日本弓背蚁和敏捷扁头猛蚁巢内土壤有机质、全氮、速效氮、速效钾含量与其土壤中细菌、放线菌、真菌的cfu/g数量呈显著或极显著正相关；全磷含量与土壤微生物量呈不同程度的正相关；但2种蚂蚁巢内的土壤速效磷含量及pH值则与土壤微生物cfu/g数量呈显著负相关。以上结果表明，蚂蚁的筑巢活动可显著影响其巢内土壤的养分含量和微生物量，致使土壤异质性增强,从而对维持森林生态系统中物质能量循环产生重要的影响作用。

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