不同烟草品种烟田捕食性节肢动物群落的结构和动态研究

应用生态学报 ›› 2005, Vol. 16 ›› Issue (4): 637-640.

不同烟草品种烟田捕食性节肢动物群落的结构和动态研究

巫厚长¹, 邹运鼎¹, 程遐年²

1. 安徽农业大学, 合肥 230036;
2. 南京农业大学, 南京 210095

收稿日期:2004-08-20 修回日期:2004-11-22 出版日期:2005-04-15 发布日期:2005-04-15
通讯作者: 巫厚长,男,1963年生,副教授,博士.主要从事昆虫生态学研究,发表论文20余篇.E-mail:Houzhngw@yahoo.com.cn
基金资助:
国家烟草专卖局重点科技项目(国烟科[2002]433)和中国科学技术大学博士基金资助项目(99-184).

Community structure and its dynamics of predatory arthropod in different tobacco varieties fields

WU Houzhang¹, ZOU Yunding¹, CHENG Xianian ²

1. Anhui Agricultural University, Hefei 230036, China;
2. Nanjing Agricultural University, Nanjing 210095, China

Received:2004-08-20 Revised:2004-11-22 Online:2005-04-15 Published:2005-04-15

摘要/Abstract

摘要： 应用群落结构特性参数和主分量分析对Nc89、Nc82和K326烟田中捕食性节肢动物群落的结构和动态进行了研究.结果表明,蜘蛛和捕食性昆虫构成烟田主要捕食性节肢动物群落,其相对丰盛度分别为83.25%～86.87%和13.13%～16.38%.烟田捕食性节肢动物群落主要类群平均密度(头/8株)品种间差异显著,K326显著高于Nc82,Nc82显著高于Nc89.皿蛛和瓢虫的个体数量在烟田捕食性节肢动物群落中起主导作用.Nc89和Nc82烟田捕食性节肢动物群落的丰富度(S)差异显著,其它群落结构特性指数三品种烟田之间无显著差异.群落丰富度(S)和优势集中性(C)的时序动态三品种烟田呈低高低趋势,多样性(H')和均匀度(E)的时序动态三品种烟田呈高低高趋势.

关键词: 烟草品种, 捕食性节肢动物群落, 结构和动态

Abstract: With principal component analysis and using community structural characteristic indices,this paper studied the community structure and its dynamics of predatory arthropod in fields planted with tobacco varieties Nc89,Nc82 and K326.The results showed that in all test fields,spiders and predatory insects were the predominant components of the predatory arthropod community,and their relative abundances were 83.25%～86.87% and 13.13%～16.38%,respectively.There was a significant difference in the mean density (individuals per 8 plants) of the most common predatory arthropod groups between different tobacco varieties fields,which was the highest in K326 field,followed by Nc82,and Nc89 field.The individuals of both Linyphiidae and Coccinellidae played the dominant role in the community.There was a significant difference in the richness of predatory arthropod community between Nc89 and Nc82 fields,but the differences of other structural characteristic indices were not significant.The temporal dynamics of the richness and dominancy in all test fields had a trend of low-high-low,and those of the diversity and evenness index were high-low-high.

Key words: Tobacco variety, Predatory arthropod community, Structure and dynamics

中图分类号:

Q968.1

巫厚长, 邹运鼎, 程遐年. 不同烟草品种烟田捕食性节肢动物群落的结构和动态研究[J]. 应用生态学报, 2005, 16(4): 637-640.

WU Houzhang, ZOU Yunding, CHENG Xianian . Community structure and its dynamics of predatory arthropod in different tobacco varieties fields[J]. Chinese Journal of Applied Ecology, 2005, 16(4): 637-640.

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