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首页> 外文期刊>Journal of Parasitology >Distribution and Habitat Utilization of the Gopher Tortoise Tick (Amblyomma tuberculatum) in Southern Mississippi
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Distribution and Habitat Utilization of the Gopher Tortoise Tick (Amblyomma tuberculatum) in Southern Mississippi

机译：密西西比州南部地鼠乌龟壁虱的分布和栖息地利用

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摘要

The distribution of the gopher tortoise tick (Amblyomma tuberculatum) has been considered intrinsically linked to the distribution of its primary host, gopher tortoises (Gopherus polyphemus). However, the presence of G. polyphemus does not always equate to the presence of A. tuberculatum. There is a paucity of data on the ecology, habitat preferences, and distribution of A. tuberculatum. The goals of this study were to assess the distribution of A. tuberculatum in southern Mississippi and to determine which, if any, habitat parameters explain the distribution pattern of A. tuberculatum. During 2006aa2007, we examined 13 G. polyphemus populations in southern Mississippi for the presence of A. tuberculatum, and we measured a suite of habitat parameters at each site. Only 23%% of the G. polyphemus populations supported A. tuberculatum, suggesting a more restricted distribution than its host. The results of our multivariate analyses identified several habitat variables, e.g., depth of sand and percentage of sand in the topsoil and burrow apron, as being important in discriminating between sites with, and without, A. tuberculatum. Amblyomma tuberculatum was only found at sites with a mean sand depth of >100 cm and a mean percentage of topsoil and burrow apron sand composition >94.0 and 92.4, respectively. Thus, environmental factors, and not just its host's range, seem to influence the distribution of A. tuberculatum.
机译：地鼠陆龟（Amblyomma tuberculatum）的分布已被认为与其主要宿主地鼠陆龟（Gopherus polyphemus）的分布有内在联系。但是，多角芽孢杆菌的存在并不总是等于结核杆菌的存在。缺乏关于结核菌的生态，生境偏好和分布的数据。这项研究的目的是评估密西西比州南部的结核菌分布，并确定哪些生境参数可以解释结核菌的分布方式。在2006aa2007年期间，我们检查了密西西比州南部的13个G. polyphemus种群是否存在结核菌，并在每个站点测量了一组栖息地参数。仅有G. polyphemus种群的23 %%支持结核菌，这表明其分布比宿主更受限制。我们的多变量分析结果确定了几个生境变量，例如表土和洞穴围裙中的沙子深度和沙子百分率，对于区分有无结核菌的站点非常重要。仅在平均沙深大于100 cm且表土和洞穴围裙砂成分的平均百分率分别大于94.0和92.4的地点发现结核病菌。因此，环境因素，而不仅仅是其宿主的范围，似乎都在影响结核菌的分布。

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