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首页> 外文期刊>Comparative parasitology >Congruence of Endohelminth Community Similarity in Creek Chub (Semotilus atromaculatus) with Drainage Structure in Southeastern Nebraska
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Congruence of Endohelminth Community Similarity in Creek Chub (Semotilus atromaculatus) with Drainage Structure in Southeastern Nebraska

机译：内布拉斯加州东南部小溪丘（Semotilus atromaculatus）与排水结构的内皮蠕虫群落相似性

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摘要

The endohelminth component communities of creek chub (Semotilus atromaculatus) were studied in southeastern Nebraska to determine whether parasite community similarity corresponded to drainage identity, Creek chub were sampled from 12 sites on 3 drainages of the Big Nemaha River system during 4 periods from summer 2003 to summer 2005. Analysis of similarity, cluster analyses, and ordination suggested that community similarity was more similar among sites within drainages than among drainages. Vector analysis and indicator species analysis demonstrated that the distributions of 2 of the parasite species, Paulisentis missouriensis (Acanthocephala) and Rhabdochona canadensis (Nematoda), were highly aggregated among drainages. Allocreadium lobatum (Trematoda) and Proteocephalus sp. (Cestoda) occurred more uniformly among sites and drainages. Procrustean analyses suggested that drainage-level differences in species composition better explained the spatial pattern of community similarity than did physical distance. These results suggest that there are predictable differences in component communities among drainages.
机译：在内布拉斯加州东南部研究了小河（Semotilus atromaculatus）的蠕虫成分，以确定寄生虫群落的相似性是否与排水特性相吻合。从2003年夏季至2004年的4个时期中，从大内马哈河系统3个排水处的12个站点取样了小溪chu。 2005年夏季。对相似性，聚类分析和排序的分析表明，排水沟内站点之间的社区相似度比排水沟之间的相似度更高。媒介分析和指示物种类分析表明，在流域中，两种寄生虫物种Paulisentis missouriensis（Acanthocephala）和Rhabdochona canadensis（Nematoda）的分布高度聚集。球状Allocreadium lobatum（Trematoda）和Proteocephalus sp.。 （科斯塔达（Cestoda））在站点和排水沟之间的分布更为均匀。 Procrustean的分析表明，物种组成中的排水水平差异比物理距离更好地解释了群落相似性的空间格局。这些结果表明，排水沟之间的组成群落存在可预测的差异。

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