Document Detail


Community structure and its dynamics of pest, predatory and neutral insects in a jujube ecosystem.
MedLine Citation:
PMID:  16689239     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
An investigation on the insects in the jujube ecosystem in Taigu District of Shanxi Province, Northern China showed that more species and individual numbers of pest, predatory and neutral insects were found on the tree than on the ground. The ratio of the species and individual numbers of predatory and neutral insects to those of pest insects fluctuated from year to year. Homoptera, Coleoptera and Lepidoptera were the dominant groups of pest insects, while those of predatory insects were Coleopteran, Hemiptera, Diptera and Hymenoptera. The vertical distribution of the community structure of the same or different subcommunity was different in different seasons, as was the case of the same or different subcommunity in the same season. The diversity indexes of pest, predatory and neutral insects fluctuated with seasons, and the populations of predatory and neutral insects had a significant correlation (r = 0.9833, P <0.05) with the fluctuation of pest insects. There was also a significant correlation between the pest, predatory and neutral insects in different stratums of tree canopy, especially in the middle stratum of tree canopy (r = 0.9887, P <0.01).
Authors:
Guanglu Shi; Lilin Zhao; Suqi Liu; Hui Cao; Shiyou Li; Bruce Pike
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Ying yong sheng tai xue bao = The journal of applied ecology / Zhongguo sheng tai xue xue hui, Zhongguo ke xue yuan Shenyang ying yong sheng tai yan jiu suo zhu ban     Volume:  17     ISSN:  1001-9332     ISO Abbreviation:  Ying Yong Sheng Tai Xue Bao     Publication Date:  2006 Jan 
Date Detail:
Created Date:  2006-05-12     Completed Date:  2006-09-15     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  9425159     Medline TA:  Ying Yong Sheng Tai Xue Bao     Country:  China    
Other Details:
Languages:  eng     Pagination:  80-6     Citation Subset:  IM    
Affiliation:
Shanxi Agricultural University, Taigu, China. glshi@126.com
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MeSH Terms
Descriptor/Qualifier:
Animals
Beetles / physiology
China
Ecosystem*
Hymenoptera / physiology*
Insects / physiology*
Lepidoptera / physiology
Population Dynamics
Predatory Behavior / physiology*
Ziziphus / parasitology*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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