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首页> 外文期刊>Southeastern naturalist >Range Expansion of Sigmodon hispidus (Hispid Cotton Rat) into Reclaimed Coal Surface-mines in Southeastern Kentucky
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Range Expansion of Sigmodon hispidus (Hispid Cotton Rat) into Reclaimed Coal Surface-mines in Southeastern Kentucky

机译：Sigmodon Hispidus（Hispid棉R大鼠）的扩展进入肯塔基州东南部的再生煤炭表面矿山

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Sigmodon hispidus (Hispid Cotton Rat) is the most wide-spread species of Sigmodon in North America. In recent years, this species has expanded northward and westward in the western part of its range due to changes in habitat and climate. Evidence suggests northward expansion is also occurring in Kentucky. Since the 1980s, extensive coal mining via surface mining and mountain-top removal has transformed more than 2300 km(2) of hardwood forests on the Cumberland Plateau of eastern Kentucky. Mining has transformed the landscape, once characterized by forests with deep valleys, steep slopes, and narrow, winding ridgetops into reclaimed sites with a relatively flat landscape dominated by grasses and forbs suitable for run-making rodents. Hispid Cotton Rat is thus poised to expand into the reclaimed mines of eastern Kentucky. We report the first record of Hispid Cotton Rat from a reclaimed-mine site and predict this species will expand its range north and east through this new habitat.
机译：Sigmodon Hispidus（Hispid棉鼠）是北美最广泛的Sigmodon种类。 近年来，由于栖息地和气候变化，该物种在西部地区的西部地区北方和向西扩展。 证据表明肯塔基州也发生了向北扩张。 自20世纪80年代以来，通过表面挖掘和山顶去除的广泛的煤炭开采在肯塔基州坎伯兰高原上转变了2300公里（2）米硬木森林。 矿业改造了景观，曾经是深谷的森林，陡峭的斜坡和狭窄，蜿蜒的蜿蜒铆钉进入回收的地点，其具有相对平坦的景观，其被草和福尔斯适合制造啮齿动物。 因此，Hispid棉花大鼠能够扩展到肯塔基州东部的再生矿山。 我们报告了从回收的矿工网站上报告了Hispid棉花大鼠的第一条记录，并预测该物种将通过这一新栖息地扩展其北方和东部的范围。

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