草原蝗虫多样性及群落结构特征

Diversity and community structure characteristics of grassland grasshoppers

  • 摘要: 【目的】 研究新疆生产建设兵团第四师草原蝗虫种类以及不同草地类型的蝗虫多样性和群落组成。 【方法】 2022~2023年间利用野外踏查和标准地扫网系统调查第四师草原蝗虫。 【结果】 55种蝗虫,隶属于5科26属。优势种为狭条戟纹蝗,常见种共17种。Shannon-Wiener多样性指数、Pielou均匀度指数均在戟纹蝗属为最高值,其次是雏蝗属。 【结论】 在7种草地类型中温性草甸草原类、温性草原类包含蝗虫种类较多,温性荒漠草原类与温性草原化荒漠类的相似性系数最大达到中等相似水平。

     

    Abstract: 【Objective】 In order to clarify the diversity and community composition of the grassland locust species of Xinjiang Production and Construction Corps and the locusts of different grassland types. 【Methods】 this experiment systematically investigated the grasshoppers in the grassland of the fourth division from 2022 to 2023 by field survey and standard sweep net. 【Results】 A total of 55 species of grasshoppers were identified, belonging to 5 families and 26 genera. The dominant species was Dociostaurus (Kazakia) brevicollis Eversmann, and there were 17 common species. The Shannon-Wiener diversity index and Pielou evenness index were the highest in Dociostaurus Fieber, followed by Chorthippus Fieber. 【Conclusion】 Among the seven grassland types, temperate meadow steppe and temperate steppe contain more locust species. The similarity coefficient between temperate desert steppe and temperate steppe desert reaches a medium level.

     

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