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当前位置: 首页 > 文章 > 中国云南洱海周边小兽体表革螨多样性(英文) 昆虫学报 2008,51 (11) 1177-1186
Position: Home > Articles > Diversity of gamasid mites on small mammals in the surrounding areas of Erhai Lake in Yunnan,China Acta Entomologica Sinica 2008,51 (11) 1177-1186

中国云南洱海周边小兽体表革螨多样性(英文)

作  者：
董文鸽;郭宪国;门兴元;钱体军;吴滇
单  位：
山东省农业科学院植物保护研究所;大理学院病原与媒介生物研究所
关键词：
蜱螨亚纲;革螨;群落生态;协同进化;同地域异生境;小兽;云南
摘  要：
云南大理洱海周边是我国流行性出血热的流行地区之一。本文目的是运用Shannon-Wiener、系统聚类分析方法(SPSS13.0软件)和Levins’niche等对该区3303只小兽体表寄生革螨的物种多样性、群落结构、相似性、分布和生态位进行研究。选择的洱海周边三个不同方位恰好处于东部无量山、南部哀老山和西部苍山,由于洱海的天然隔离使这三个方位形成了同地域异生境的地理景观。在调查点共捕获小兽宿主3303只属4目(啮齿目、食虫目、攀目和食肉目)7科15属21种,收集到的小兽体表寄生虫革螨23196只被鉴定为6科16属43种。研究结果表明革螨群落结构复杂,物种多样性高。在不同方位革螨和它们相对应宿主的分布是不均匀的,但是洱海周边不同方位同样优势小兽上寄生的优势革螨种是一致的。结果暗示:生境影响着革螨和它们相对应小兽的物种构成和分布,如果小兽宿主的分类地位和生境相似,那么相对应的小兽宿主上的革螨群落就相似;不同方位小兽体表寄生虫革螨的丰富度和物种多样性主要由宿主本身和宿主所栖息的生境决定;这可能是小兽和革螨之间协同进化在生态学上的一个佐证。但通过使用革螨的生态位宽度分析,革螨的宿主特异性很低,这又可能暗示着小兽和革螨之间有协同进化,但协同进化程度不高。
译  名：
Diversity of gamasid mites on small mammals in the surrounding areas of Erhai Lake in Yunnan,China
作  者：
DONG Wen-Ge1,GUO Xian-Guo 1,KG-4,MEN Xing-Yuan2,QIAN Ti-Jun1,WU Dian1(1.Institute of Pathogens and Vectors,Dali University,Dali,Yunnan 671000,China; 2. Institute of Plant Protection,Shandong Academy of Agricultural Sciences,Jinan 250100,China)
关键词：
Acari; gamasid mite; community ecology; co-evolution; different landscapes within the same zone; small mammal; Yunnan
摘  要：
The aim was to study the species diversity,community structure,similarity,distribution and niche of gamasid mites on the body surface of 3 303 small mammals in the surrounding areas of Erhai Lake in Dali,Yunnan by using Shannon-Wiener,hierarchical cluster analysis (SPSS 13.0) and Levins'niche. The investigated site was an important focus of epidemic hemorrhagic fever,where stands alongside three cordilleras surrounding Erhai Lake,namely Eastern Wuliang Mountain,Southern Ailao Mountain and Western Cangshan Mountain. The three confined oriented areas formed different landscapes within the same zone for inartificial barrier's isolation of Erhai Lake. The small mammal hosts were captured from three differently oriented areas belong to 7 families,15 genera and 21 species in 4 orders (Rodentia,Insectivora,Scandentia and Carnivora),while 23 196 individuals of gamasid mites collected from the body surface of the small mammal hosts are identified into 6 families,16 genera and 43 species. The results reveal that the community structure of gamasid mites is complex with high species diversity. The distribution of gamasid mites and their corresponding hosts are quite uneven in differently orientations,but dominant species beside gamasid mites on the same dominant small mammal host in differently oriented areas beside Erhai Lake are homologous. The results indicate that habitat influences the species composition and distribution of gamasid mites and their corresponding hosts. Gamasid mite communities on their corresponding hosts are similar if the taxonomic position and habitats of the hosts (small mammals) are similar. The abundance and diversity of gamasid mites on small mammals across different sites are determined mainly by host identity and by the habitats where the hosts live. This might be an ecological evidence of co-evolution between small mammals and gamasid mites. But by using the niche breadth of gamasid mites,host-specificity of gamasid mites are low,this may imply that the co-evolution between small mammals and gamasid mites exist,but the degree is not high.

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