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Effects of human activity on the habitat utilization of Himalayan marmot (Marmota himalayana) in Zoige wetland

机译:人类活动对喜马拉雅土拨鼠(Marmota Himalayana)在Zoige湿地的栖息地利用的影响

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摘要

Human activity is increasingly and persistently disturbing nature and wild animals. Affected wildlife adopts multiple strategies to deal with different human influences. To explore the effect of human activity on habitat utilization of Himalayan marmot (Marmota himalayana), habitat utilization patterns of three neighboring marmot populations in habitats affected differently by human activities were recorded and compared. We found that (a) distance between reproductive burrows (a represent of reproductive pairs) becomes shorter under the influence of human activities, and more burrows were dug as temporary shelters, resulting in shorter distance between those shelters and shorter distance flee to those shelters and, consequently, shorter flight initiation distance when threatened. More burrows that are closer to the disturbed habitats improve the ability to escape from threats. (b) Reproductive burrow site selection of the species is determined by the availability of mounds in the habitat, and breeding pairs selectively build reproductive (also the hibernation) burrows on mounds, potentially to improve surveillance when basking and the drainage of burrows. Human activities generally drive breeding pairs away from the road to dig their reproductive burrows likely to reduce disturbance from vehicles. However, even heavy human activity exerts no pressure on the distance of reproductive burrows from the road or the mound volume of the high disturbance population, potentially because mounds are the best burrowing site to reproduce and hibernate in the habitat. Marmots deal with disturbance by digging more burrows in the habitat to flee more effectively and building reproductive burrows on mounds to gain better vigilance and drainage efficiency.
机译:人类的活动越来越令人忍受令人不安的性质和野生动物。受影响的野生动物采用多种策略来处理不同的人类影响。为探讨人类活动对喜马拉雅土拨鼠的栖息地利用(Marmota Himalayana)的影响,记录了人类活动影响不同地影响的栖息地三个邻近土拨鼠人群的栖息地利用模式。我们发现,在人类活动的影响下,生殖挖洞(生殖对的代表)之间的距离变短,并且更多的洞穴被挖掘为临时避难所,导致这些避难所之间的距离短距离和较短的距离逃离这些避难所和较短的距离因此,威胁时较短的飞行开始距离。更多洞穴更接近受干扰的栖息地提高了逃避威胁的能力。 (b)生殖挖洞网站选择物种的选择是由栖息地的土墩的可用性决定,以及选择性地建立在土墩上的生殖(也是冬眠)洞穴的繁殖对,可能在晒太阳时提高监测和挖掘的排水。人类活动一般驾驶养殖对远离道路,挖掘他们的生殖洞穴可能会减少车辆的干扰。然而,即使是沉重的人类活动也不会对从道路或高扰动人口的土墩体积的生殖挖洞的距离产生压力,可能是因为土墩是在栖息地繁殖和冬眠的最佳穴居部位。通过在栖息地挖掘更多的洞穴来处理干扰,以更有效地逃离土墩上的生殖洞穴,以获得更好的警惕和排水效率。

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