首页> 外文学位 >It's a Small World: Evaluating Micro-GPS Technologies and Factors Influencing Habitat Use by Pygmy Rabbits in Idaho.
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It's a Small World: Evaluating Micro-GPS Technologies and Factors Influencing Habitat Use by Pygmy Rabbits in Idaho.

机译:这是一个小世界:评估Micro-GPS技术和影响爱达荷州侏儒兔栖息地使用的因素。

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摘要

The goals of this research were to 1) evaluate the efficacy of micro-GPS receivers to collect accurate data for habitat selection studies of small mammals, and 2) contrast factors shaping habitat selection across hierarchical behaviors with a two-stage, hurdle modeling approach. We conducted field trials on pygmy rabbits (Brachylagus idahoensis) to evaluate GPS performance and to quantify both selection of habitat patches and intensity of patch use. This work suggested that micro-GPS telemetry can be implemented to address fine-scale questions regarding habitat selection, but an understanding of the heterogeneity of the landscape and animal behavior is necessary. At a relatively coarse behavioral level, rabbits selected resources that minimized predation risk, however, at a finer scale, rabbits intensively used patches with increased availability of seasonal forages. The use of micro-GPS receivers and hurdle models provide opportunities for assessing habitat selection at multiple spatial scales and behavioral levels.
机译:这项研究的目的是:1)评估微型GPS接收器收集小型哺乳动物的栖息地选择研究的准确数据的有效性,以及2)利用两阶段的障碍建模方法,在各个等级行为中塑造栖息地选择的对比因素。我们对侏儒兔(Brachylagus idahoensis)进行了田间试验,以评估GPS性能并量化栖息地斑块的选择和斑块使用的强度。这项工作表明,可以实施微型GPS遥测技术来解决有关栖息地选择的精细问题,但是必须了解景观的异质性和动物行为。在相对粗略的行为水平上,兔子选择了使捕食风险最小化的资源,但是,在更精细的规模上,兔子大量使用了补丁,增加了季节性饲料的利用率。微型GPS接收器和障碍物模型的使用为在多个空间尺度和行为水平上评估栖息地选择提供了机会。

著录项

  • 作者

    McMahon, Laura A.;

  • 作者单位

    University of Idaho.;

  • 授予单位 University of Idaho.;
  • 学科 Wildlife conservation.
  • 学位 M.S.
  • 年度 2017
  • 页码 79 p.
  • 总页数 79
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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