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草业学报 ›› 2009, Vol. 18 ›› Issue (4): 195-201.

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祁连山北坡及河西走廊蝶类垂直分布及群落多样性研究

谢宗平1,倪永清1*,李志忠2,李晓明3   

  1. 1.河西学院生物系, 甘肃 张掖 734000;
    2.兰州理工大学生命科学与工程学院, 甘肃 兰州730050;

    3.湖州师范学院生物系, 浙江 湖州 313000
  • 收稿日期:2008-06-01 出版日期:2009-08-20 发布日期:2009-08-20
  • 作者简介:谢宗平(1964-),男,甘肃武威人,副教授

Vertical distribution and diversity of butterflies in the northern slopes of Qilian Mountains and Hexi Corridor

XIE Zong-ping1, NI Yong-qing1, LI Zhi-zhong2, LI Xiao-ming3   

  1. 1.Biological Department, Hexi University, Zhangye 734000, China; 2.Life Science and Engineering
    School, Lanzhou University of Science and Technology, Lanzhou 730050, China;
    3.Department of Biology, Huzhou Normal College, Huzhou 313000, China
  • Received:2008-06-01 Online:2009-08-20 Published:2009-08-20

摘要: 1998-2004年,对祁连山北坡及河西走廊蝶类的垂直分布进行了调查,依据植被、海拔、气候、土壤等不同因子将该地区蝶类分布的生境划分为5种类型,对不同生境(垂直带)蝶类区系组成及群落多样性进行了研究。结果表明,祁连山北坡及河西走廊蝶类共有128种,分属8科74属,不同生境蝶类群落的组成中,科、属、种3级组成顺序大致为:高山亚冰雪稀疏植被带<走廊绿洲、山地荒漠带<亚高山灌丛草甸带<山地草原带<山地森林草原带。不同等级的多样性指数结果排序基本一致:山地森林草原带>山地草原带>亚高山灌丛草甸带>走廊绿洲、山地荒漠带>高山亚冰雪稀疏植被带,多样性指数与物种丰富度相关(r=0.987 8,P<0.01),而与均匀度不相关(r=0.377 4,P>0.05)。 G-F指数可以简便而有效地反映昆虫区系中物种多样性信息,同时使用Shannon-Wiener 指数和 G-F指数,将科、属多样性与物种多样性综合考虑,较为全面地评价了蝶类群落多样性。各垂直带之间相似性系数较低,蝶类垂直分布差异非常明显。

Abstract: Based on vegetation, altitude, climate and soil of the northern slopes of Qilian Mountains and Hexi Corridor, the habitats of butterflies were classified into five types. The butterflies faunal composition and trait of vertical distribution were surveyed, in addition to an analysis of diversity of butterfly communities in different habitat types. Butterfly communities consisted of 128 species belonging to 74 genera in 8 families, and the diversity index decreased in the order: Mountain forest steppe, mountain steppe, subalpine shrub meadow, corridor oases and wilderness, and alpine sparse vegetation, which are consistent with richness but not completely with evenness index. The combination of the Shannon-Wiener index and G-F index provides a comprehensive measure to evaluate community diversity. Furthermore, the lower coefficients of species similarity among different habitats has been found.

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