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当前位置: 首页 > 文章 > 库姆塔格沙漠地区的昆虫多样性 林业科学 2012,48 (9) 176-180
Position: Home > Articles > Insect Community and Its Diversity in the Kumtag Desert Scientia Silvae Sinicae 2012,48 (9) 176-180

库姆塔格沙漠地区的昆虫多样性

作  者：
杨海龙;张于光;朵海瑞;王秀磊;李迪强
单  位：
中国林业科学研究院森林生态环境与保护研究所
关键词：
昆虫;植物群落;多样性;库姆塔格沙漠
摘  要：
干旱、半干旱区约占全球陆地表面的41%(Reynolds et al.,2007),是陆地生态系统的重要组成部分。但是,由于干旱荒漠地区土壤水分含量低,而且降水稀少,因此不能支撑大面积、连续分布的植被(Schulze et al.,2005),植物群落通常较为单一,不同类型灌木的斑块状分布格局是荒漠区植被的显著特征(Whitford,2002)。昆虫多样性是全球生物多样性的重要组成部分(Lewinsohn et al.,2008),而其中的荒漠昆虫是随着荒漠的出现,适应环境改变演化而来的一支特殊旱生昆虫类群(黄人鑫等,2005),是荒漠生态系统的重要组成部分。
译  名：
Insect Community and Its Diversity in the Kumtag Desert
作  者：
Yang Hailong Zhang Yuguang Duo Hairui Wang Xiulei Li Diqiang (Key Lab. of Forest Protection of State Forestry Administration Research Institute of Forest Ecology, Environment and Protection, CAF Beijing 100091)
关键词：
insects; plant communities; diversity; Kumtag Desert
摘  要：
Desert insects, one of the important components of biodiversity in desert regions, play a significant role in maintaining stability of desert ecosystems. In this study,the insect communities and diversity in six different plant communities were studied in the Kumtag Desert. Approximately 1 000 specimen were collected, and belonged to 55 families and 10 orders. The dominant species were from the orders of Lepidoptera and Dipetera. The results showed that there were the most species of insects in the Haloxylon ammodendron community had, and there were the most individuals of insects in the Tamarix taklamakanensis community. The number of both species and individuals was the smallest in Poacynum hendersonii community. The Shannon-Wiener's diversity index was in the following sequence: Phragmites australis>Haloxylon ammodendron>Nitraria tangutorum>Calligonum mongolicum>Tamarix taklamakanensis>Poacynum hendersonii; the Pielou evenness index was in the following sequence: Ph. australis>Po. hendersonii>C. mongolicum>N. tangutorum>H. ammodendron>T. taklamakanensis;and the Berger-Parker dominance index was in the following sequence: T. taklamakanensis>Po. hendersonii>N. tangutorum>H. ammodendron>C. mongolicum>Ph. australis.

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