Knowledge Resource Center for Ecological Environment in Arid Area
| 项目编号 | CRSK-2_190584 |
| Evolution of the Miocene faunal diversity across Eurasia: to the roots of modern climates | |
| Maridet Olivier | |
| 主持机构 | Non-profit organisations (libraries, museums, foundations) and administration - NPO |
| 开始日期 | 2020 |
| 结束日期 | 2022 |
| 资助经费 | 75060(CHF) |
| 项目类别 | Project funding;Project funding (special) |
| 资助机构 | CH-SNSF（瑞士国家科学基金会） |
| 语种 | 英语 |
| 国家 | 瑞士 |
| 中文简介 | Palaeontology |
| 英文简介 | In Eurasia, between 35° and 45° of latitude north, today’s climate is expected to be temperate, either semi-humid next to seas and oceans to semi-dry in more continental areas. However, the regional climates show much disparity across Eurasia with the occurrence of colder and dryer regional climates (e.g. Central Europe, Central Asia, North-eastern Asia; Fig. 1a,b). Indeed where mountain ranges are high enough, temperatures a significantly lower (not only on the ranges but also around) and the modification of air circulation induce a deficit of precipitations in some areas. The most striking phenomenon in the mid-latitudes is the desertification in Central and North-Eastern Asia with cooler climate, amplified by the distances to the nearest seas. However, this Eurasian geographic pattern is relatively recent and the past records need to be taken into account in order to understand the roots of today’s climate.The idea of the present project is to gather an international team of experts (palaeontologist and geologist) from Europe and Asia in order to conduct a continental-scale comparisons of the regional records of fossil vertebrates during the Miocene time period, which is a fundamental root of modern climate with modern mammalian faunas at the family level. All together, the fossil records of 5 regions (with different climatic conditions nowadays) are included in the project: Western Europe, Eastern Europe, Southwestern Kazakhstan, Northern China, and Japan.Our research project includes two distinct parts. In the first part, we focus on already identified and published extant and fossil specimens housed in proper institutions in order to establish a new transfer function (regression model) to estimate palaeoclimatic parameters based on fossil rodent assembles. This new transfer function will function as an independent tool, in addition to existing models, to reconstruct and compare past climates across Eurasia. In the second part, we focus on field investigation in Kazakhstan and Japan to enhance the accuracy of our models by increasing paleontological samples from the areas where only few research have been conducted. For this reason, the project includes a large part of prospection and an exceptional duration of 2 years is requested.On top of the palaeontologic discoveries about extinct species, the results of this project are expected to provide new information about the settlement of a true desert ecosystem in Central Asia, and provide further indications on differential roles of the global climate, geography and local tectonic constrains as major drivers of desertification. In addition, as active tectonic events, the potential impact of the Parathetys extension and isolation from the continent of the Japanese islands will also be taken into account to test its impact on regional climatic evolutions and in turn the evolutionary history of mammals. |
| 英文关键词 | Paleoecology Prospection Fossil Paleoclimate Small mammals Eurasia Transfer function Paleogeography Vertebrate paleontology |
| 来源学科分类 | Palaeontology |
| 资源类型 | 项目 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/356009 |
| 推荐引用方式 GB/T 7714 | Maridet Olivier.Evolution of the Miocene faunal diversity across Eurasia: to the roots of modern climates.2020. |
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