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首页> 外文期刊>Geobios: Paleontologie, Stratigraphie, Paleoecologie >Cabrera's Vole Microtus cabrerae Thomas, 1906 and the subgenus Iberomys during the Quaternary: Evolutionary implications and conservation
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Cabrera's Vole Microtus cabrerae Thomas, 1906 and the subgenus Iberomys during the Quaternary: Evolutionary implications and conservation

机译：卡布雷拉的田鼠田鼠，1906年托马斯和第四纪伊贝菌属：进化意义和保护

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摘要

The corological evolution of the species of the subgenus Iberomys and, specifically, of Microtus cabrerae, are described. Iberomys appeared in the Iberian Peninsula during the Lower Pleistocene and then reached southern France and Italy during the Middle Pleistocene. M. cabrerae established itself as an Iberian endemic during the final glacial period and subsequently occupied South-Eastern France. This latter population and those found along the Mediterranean coast survived until the Subatlantic period. Thus, it is concluded that Iberomys is endemic to the European sector of the western Mediterranean Basin, but once was found over much more of the Iberian Peninsula, Italy and France. The Iberian Peninsula is, nevertheless, fundamental in its life history as its evolutionary centre and the origin of expansions into other areas. On the other hand, it is possible to locate the centre of origin of the subgenus Iberomys at a regional scale (the Iberian Peninsula) and adapt its evolutionary cycle to a Symmetrical Model. The contraction of the range of M. cabrerae during the Holocene is not related to the Subboreal climatic crisis; rather, it took place during the Subatlantic and could be related to the expansion of agriculture, which probably destroyed many of its habitats. Thus, this reduction in its range is anthropic in origin and could be corrected by means of appropriate management and conservation policies.
机译：描述了黑毛病亚种，特别是小田鼠（Microtus cabrerae）的物种的生物学进化。伊比利亚菌在下更新世时期出现在伊比利亚半岛，然后在中更新世时期到达法国南部和意大利。在最后的冰河时期，卡布雷拉猪笼草（M. cabrerae）成为伊比利亚地方病，随后占领了法国东南部。后者和地中海沿岸发现的这些人幸存下来直到亚大西洋时期。因此，可以得出结论，伊贝菌病是地中海盆地西部的欧洲地区特有的，但曾经在伊比利亚半岛，意大利和法国的更多地区被发现。但是，伊比利亚半岛是其生命历史的基础，是其进化中心和向其他地区扩展的起源。另一方面，有可能在区域范围（伊比利亚半岛）上定位伊贝拉虫亚属的起源中心，并使它的进化周期适应对称模型。全新世期间卡布里亚支原体范围的缩小与亚热带气候危机无关;相反，它发生在亚大西洋地区，可能与农业的扩张有关，农业的扩张可能破坏了其许多栖息地。因此，其范围的缩小是人为的，可以通过适当的管理和保护政策予以纠正。

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