Taxonomic and stable isotope analyses of mammal remains from the Lateglacial site of Grotta Polesini (central Italy): Paleoenviromental implications

IF 1.9 3区 地球科学 Q3 GEOGRAPHY, PHYSICAL
Francesca Giustini, Alessio Iannucci, Giovanni Porcelli, Ileana Micarelli, Mauro Brilli, Raffaele Sardella, Beniamino Mecozzi
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Abstract

Grotta Polesini is one of the most famous paleontological and archaeological sites of central Italy, which testifies to its human occupation during the Lateglacial. The site comprises a cave system where systematic excavation campaigns have been carried out since the 1950s. In 1974, 656 mammal remains were collected but never studied. This fossil collection is here described for the first time through taxonomic and stable isotope analyses of the enamel of selected mammal teeth. The aim is to reconstruct the paleoenvironmental and climatic conditions of the site and to offer new information on terrestrial ecosystems during the Lateglacial in central Italy. The faunal assemblage studied herein, in addition to other species reported in previous works, suggests cold climate conditions. We also describe a right radius of an adult individual of Homo sapiens, increasing the human fossil record of the site. Carbon isotope data point to a scenario dominated by C3 plants in open and dry habitats, such as grasslands and steppes, in accordance with the pollen data from central Italy. The oxygen isotope data suggest the use of water resources with a local origin, i.e. local precipitation and surface waters with a provenance from the nearby Apennine chain. The ecology of the taxa influenced the oxygen isotope values, especially in the case of semi-obligate to non-obligate drinker species.

对意大利中部 Grotta Polesini 拉特冰期遗址的哺乳动物遗骸进行分类和稳定同位素分析:古生态学意义
波列西尼岩洞是意大利中部最著名的古生物和考古遗址之一,它证明了拉特冰川时期的人类活动。该遗址由一个洞穴系统组成,自 20 世纪 50 年代以来,一直在这里开展系统的挖掘活动。1974 年,采集了 656 具哺乳动物遗骸,但从未对其进行过研究。通过对部分哺乳动物牙齿的珐琅质进行分类和稳定同位素分析,这里首次对这些化石进行了描述。目的是重建该遗址的古环境和气候条件,并提供意大利中部拉特冰期陆地生态系统的新信息。本文研究的动物组合,以及之前研究报告中的其他物种,都表明了寒冷的气候条件。我们还描述了一个成年智人个体的右半径,增加了该遗址的人类化石记录。碳同位素数据与意大利中部的花粉数据相吻合,表明了在草原和大草原等开阔和干燥的栖息地中以 C3 植物为主的情况。氧同位素数据表明,该地区使用了当地的水资源,即当地降水和来自附近亚平宁山脉的地表水。分类群的生态环境对氧同位素值有影响,尤其是对半饮用型和非饮用型物种。
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来源期刊
Journal of Quaternary Science
Journal of Quaternary Science 地学-地球科学综合
CiteScore
4.70
自引率
8.70%
发文量
82
审稿时长
6-12 weeks
期刊介绍: The Journal of Quaternary Science publishes original papers on any field of Quaternary research, and aims to promote a wider appreciation and deeper understanding of the earth''s history during the last 2.58 million years. Papers from a wide range of disciplines appear in JQS including, for example, Archaeology, Botany, Climatology, Geochemistry, Geochronology, Geology, Geomorphology, Geophysics, Glaciology, Limnology, Oceanography, Palaeoceanography, Palaeoclimatology, Palaeoecology, Palaeontology, Soil Science and Zoology. The journal particularly welcomes papers reporting the results of interdisciplinary or multidisciplinary research which are of wide international interest to Quaternary scientists. Short communications and correspondence relating to views and information contained in JQS may also be considered for publication.
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