吉尔吉斯斯坦费尔干纳山谷的全新世脊椎动物动物群,基于Obishir-5岩石掩体的化石

IF 1.6 4区 地球科学 Q2 PALEONTOLOGY Geobios Pub Date : 2023-02-01 DOI:10.1016/j.geobios.2023.01.002
Natalia V. Serdyuk , Elena V. Syromyatnikova , Nikita V. Zelenkov , Aida Abdykanova , Saltanat Alisher Kyzy , Svetlana V. Shnaider
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引用次数: 1

摘要

由于其地理位置,中亚是一个一直处于文化交汇处的地区。在费尔干纳山谷,位于中亚的心脏地带,晚更新世-全新世早期的特征是人类住区的扩张和强化。这一文化事件之前被认为与更新世-全新世过渡期间发生的全球气候变化有关。为了重建这一时期当地的气候条件,对费尔干纳河谷晚第四纪遗址的脊椎动物群化石进行研究是值得的。Obishir-5岩石掩体可追溯到晚更新世-全新世早期,发现于20世纪中叶,是该山谷的重要考古遗址。迄今为止,还没有对挖掘出来的动物遗骸进行彻底的动物考古学研究。在这里,我们介绍了在这个地点发现的小型脊椎动物的首次区系分析结果。我们研究了遗骸的分类组成,然后用它来重建古环境。共鉴定出13种小型哺乳动物和3种鸟类。此外,该组合还包括一个两栖类和两个爬行类。研究区区系组成表明,更新世末至全新世早期,研究区气候稳定,植被以开放型(高山草甸、草原、半荒漠)为主。它的地理位置使费尔干纳山谷成为地理上孤立的陆生动物地区的一个例子,这些陆生动物可以长期存在而不受邻近地区生物因素的影响。
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Holocene vertebrate fauna in Fergana Valley, Kyrgyzstan, based on fossils from the Obishir-5 rock shelter

Central Asia is a region that, owing to its geographical position, has always been at the intersection of cultures. In the Fergana Valley, located in the very heart of Central Asia, the Late Pleistocene–Early Holocene is characterized by the expansion and intensification of human settlements. This cultural event has previously been linked to global climate changes that took place during the Pleistocene–Holocene transition. In order to reconstruct local climatic conditions in the area during this period, it is worth studying the fossil vertebrate faunas from late Quaternary sites in the Fergana Valley. The Obishir-5 rock shelter, dating to the Late Pleistocene–Early Holocene period, discovered in the middle of the 20th century, is a key archeological site in the valley. To date no thorough zooarcheological research has been done on the excavated faunal remains. Here we present the results of the first faunal analysis of the small vertebrates found at this site. We studied the taxonomic composition of remains, which was then used to make paleoenvironmental reconstructions. In total, we identified 13 small mammal species and three bird species. In addition, the assemblage contained one amphibian and two reptile taxa. The faunal composition suggests that during the final Pleistocene and Early Holocene the study area enjoyed a stable climate with vegetation dominated by open biotopes (alpine meadows, steppes, semi-deserts). Its location makes the Fergana Valley an example of a geographically isolated area for a terrestrial fauna which can exist for a long time without being influenced by biotic factors from neighbouring territories.

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来源期刊
Geobios
Geobios 地学-古生物学
CiteScore
3.30
自引率
6.20%
发文量
28
审稿时长
6-12 weeks
期刊介绍: Geobios publishes bimonthly in English original peer-reviewed articles of international interest in any area of paleontology, paleobiology, paleoecology, paleobiogeography, (bio)stratigraphy and biogeochemistry. All taxonomic groups are treated, including microfossils, invertebrates, plants, vertebrates and ichnofossils. Geobios welcomes descriptive papers based on original material (e.g. large Systematic Paleontology works), as well as more analytically and/or methodologically oriented papers, provided they offer strong and significant biochronological/biostratigraphical, paleobiogeographical, paleobiological and/or phylogenetic new insights and perspectices. A high priority level is given to synchronic and/or diachronic studies based on multi- or inter-disciplinary approaches mixing various fields of Earth and Life Sciences. Works based on extant data are also considered, provided they offer significant insights into geological-time studies.
期刊最新文献
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