Insect community structure and its dynamics in Chinese prickly ash plantations at different altitudes in Yunnan Province

Chinese Journal of Applied Ecology

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Insect community structure and its dynamics in Chinese prickly ash plantations at different altitudes in Yunnan Province

ZHANG Chengzuo¹;YAO Lizhong¹;LI Qiang¹;LI Zhengyue¹;SONG Jiaxiong²;RUAN Yingzhen²

¹Yunnan Agricultural University,Kunming 650201,China; ²Plant Protection and Quarantine Station of Zhaotong,Zhaotong 657000,China

Received:2005-05-23 Revised:2006-02-18 Online:2006-05-18 Published:2006-05-18

Abstract

Abstract: With community character indices and principal component analysis,this paper studied the variation of insect community composition and structure in Chinese prickly ash plantations at four altitudes in Yunnan Province,and analyzed the temporal patterns of the variation and its affecting factors.The results showed that with the increase of altitude,the species diversity,abundance and evenness of the community decreased gradually, while the population number had a certain increase.Such a variation was more obvious with time.The factor dominating the variation was the gradual change of the species and individuals numbers of natural enemy subcommunity to those of pest sub-community.

Key words: Capsicum annuum, Ca²⁺ signal system, Sesquiterpene cyclase, Gene expression, Abiotic elicitor

ZHANG Chengzuo¹;YAO Lizhong¹;LI Qiang¹;LI Zhengyue¹;SONG Jiaxiong²;RUAN Yingzhen² . Insect community structure and its dynamics in Chinese prickly ash plantations at different altitudes in Yunnan Province[J]. Chinese Journal of Applied Ecology.

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Insect community structure and its dynamics in Chinese prickly ash plantations at different altitudes in Yunnan Province

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