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首页> 外文期刊>Southeastern naturalist >First distributional study of branchiobdellida (Annelida: Clitellata) in the great smoky Mountains National Park, North Carolina and Tennessee, USA, with a redescription of cambarincola holostomus hoffman, 1963
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First distributional study of branchiobdellida (Annelida: Clitellata) in the great smoky Mountains National Park, North Carolina and Tennessee, USA, with a redescription of cambarincola holostomus hoffman, 1963

机译：在美国北卡罗来纳州和田纳西州大烟山国家公园首次对branchiobdellida（Annelida：Clitellata）进行了分布研究，重新命名了cambarincola holostomus hoffman，1963年

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摘要

Branchiobdellidans, or crayfish worms, are species-rich in the Appalachian area of the southeastern United States. Even so, the Great Smoky Mountains National Park (GSMNP) in the southern Appalachians has only one record of a branchiobdellidan species. As part of the All Taxa Biodiversity Inventory, we undertook a general survey of the branchiobdellidans in the GSMNP. Crayfish were collected from a total of 15 sites distributed across 11 watersheds in the GSMNP We identified a total of 10 species of branchiobdellidans: 1 species of Bdellodrilus, 1 species of Oedipodrilus, 2 species of Pterodrilus, 1 species of Xironodrilus, and 5 species of Cambarincola. The composition and number of species per site ranged from 0 to 6, and individual branchiobdellidan species occurrence ranged from 1 to 11 sites. Our results suggest that multiple factors affect distribution and occurrence on certain hosts. Study of specimens of Cambarincola holostomus Hoffman, 1963 enabled us to add new morphological characters to the description of this species. An intensive survey of watersheds and crayfish fauna in the GSMNP is necessary to understand the multiple factors affecting species distributions and host preferences and to facilitate conservation of both the symbionts and their hosts.
机译：Branchiobdellidans或小龙虾蠕虫在美国东南部的阿巴拉契亚地区物种丰富。即便如此，位于阿巴拉契亚南部的大烟山国家公园（GSMNP）仍只有一种记录，记录了a科鸟类。作为“所有分类单元生物多样性清单”的一部分，我们对GSMNP中的分支io进行了总体调查。从分布在GSMNP中11个流域的15个站点中收集了小龙虾。我们鉴定出总共10种of鱼：1种贝得龙，1种俄狄浦德利鲁斯，2种翼龙，1种Xironodrilus和5种Cambarincola。每个位点的种类组成和数量在0到6之间，单个分枝b类的出现在1到11个位点之间。我们的结果表明，多种因素影响某些宿主的分布和发生。 1963年对Cambarincola holostomus Hoffman的标本进行了研究，使我们能够为该物种的描述增加新的形态特征。为了了解影响物种分布和寄主偏好的多种因素并促进共生体及其寄主的保护，有必要对GSMNP中的流域和小龙虾进行深入调查。

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