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Visitation of artificial watering points by the red fox (Vulpes vulpes) in semiarid Australia

机译:半干旱澳大利亚红狐狸(狐狸狐狸)的人工浇水点

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摘要

The introduced red fox (Vulpes vulpes) now occupies most of the Australian continent outside the tropics, including arid and semiarid ecosystems. Information on the water requirements of foxes is scant, but free water is not thought to be required if adequate moisture‐containing food is available. The frequency and duration of visits by foxes fitted with GPS collars to known artificial watering points in semiarid Australia were recorded for 22 individual foxes across four austral seasons between October 2015 and November 2017, providing >93,000 location fixes. We modeled home range and the distance traveled by range‐resident foxes beyond their home range to reach known water sources. We used recurse analysis to determine the frequency of visitation and step‐selection functions to model the speed and directionality of movement inside and outside the home range. Our study demonstrates that some foxes in this semiarid environment utilize free‐standing water. The findings suggest that artificial watering points can be used as a focal point for conducting strategic fox control in arid and semiarid environments. Additionally, strategies that restrict access to water by foxes may reduce their duration of occupancy and/or long‐term abundance in parts of the landscape, thus providing benefits for conservation and agriculture.
机译:引进的红狐(赤狐)现在占据了大部分的澳洲大陆的热带地区,包括干旱和半干旱生态系统之外。关于狐狸的水要求的信息很少,但游离水没有想过如果有足够包含水分的食物是提供给需要。通过装有GPS项圈已知人工浇水点半干旱澳大利亚狐狸的频率和访问的持续时间被记录了22只个人狐狸在四个季节南半球2015年十月和十一月至2017年间,提供> 93000次位置修正。我们模拟家庭范围和行驶距离的超出了他们的活动范围范围内居民的狐狸,达到知水源。我们使用递归分析来确定的访问和步骤选择的功能的频率的速度和运动的方向性模型内部和家庭范围之外。我们的研究表明,在这个半干旱环境中的一些狐狸利用独立的水。调查结果表明,人工浇水点可以作为一个联络点,开展干旱半干旱环境战略狐狸控制。此外,该限制由狐狸获得水的策略可能会减少他们的占用和/或长期丰持续时间在景观的部分,从而为保护和农业效益。

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