Plant cover associated with aboveground net primary productivity (ANPP) mediates insect community composition in steppes of Northwest China

文献类型： 外文期刊

第一作者： Zhao, Zihua

作者： Zhao, Zihua;Zhang, Kaiyang;Zhao, Zihua;Wei, Shuhua;Zhu, Mengmeng;Zhang, Rong;Reddy, Gadi V. P.;Yu, Hongqian;Wang, Zhanjun;Jiang, Qi

作者机构：

关键词： Community; Conservation; Diversity; Ecosystem function; Population

期刊名称：JOURNAL OF ASIA-PACIFIC ENTOMOLOGY （ 影响因子：1.58； 五年影响因子：1.575 ）

ISSN： 1226-8615

年卷期： 2018 年 21 卷 1 期

页码：

收录情况： SCI

摘要： Temperate steppe is one of the most important natural habitats for the conservation of arthropod and bird biodiversity across the Eurasian Tectonic Plate. Since 1950, fragmentation of the steppe habitat has caused a loss of biodiversity and degradation of the species communities found in natural steppe. Therefore, in this study, both plants and insects were sampled at 56 sites in the steppe biome of northwestern China to explore the effects of plant community on insect community composition and diversity. The insect community structure varied in the four different steppe types (meadow steppe, typical steppe, desert steppe, and steppe desert). Plant cover (diversity) was an important driving force, which could enhance number of families and abundance of an insect community. Aboveground net primary productivity and water content of plants had no significant effects on insect community, although the plant community as a whole did mediate insect composition and community structure. Future research should explore the ecological role of particular functional groups in plant and insect communities. Supplemental sowing to improve plant diversity in steppe habitat may be another strategy to enhance biodiversity and achieve sustainable management.

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