非洲晚新生代动物和生态变化

IF 11.3 1区 地球科学 Q1 ASTRONOMY & ASTROPHYSICS
J. Tyler Faith, John Rowan, Andrew Du
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引用次数: 0

摘要

非洲晚新生代哺乳动物化石记录记录了生态和进化方面的巨大变化。在此,我们将根据所提出的解释这些变化的机制,包括自下而上(如气候变化)和自上而下(如类人猿的影响)的过程,对这些变化进行综合分析。在此过程中,我们(a)研究了化石记录的不完整性和证据的不同时空尺度如何使建立因果关系的工作复杂化;(b)评估长期生态和进化变化的假定驱动因素,强调关键的未知因素;以及(c)综合考虑所提出的驱动因素,对不同时期的主要分类和功能趋势(如动物群落的缩小)进行综合分析。在我们的综述中,我们指出了一些尚未解决的问题,并强调了一些研究途径,这些途径有可能为塑造当今地球上现存的最多样化大型哺乳动物群落的历史过程提供信息。化石记录记录了过去 ∼7 Myr 期间的主要功能变化(如巨型食草动物的消失)和分类变化(如牛科动物的兴起)。化石记录固有的复杂性使人们难以确定驱动生态和进化变化的过程。关于动物变化的驱动因素和过去生态系统功能的未解之谜是未来大有可为的研究方向。《地球与行星科学年刊》第 52 卷的最终在线出版日期预计为 2024 年 5 月。修订后的预计日期请参见 http://www.annualreviews.org/page/journal/pubdates。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Late Cenozoic Faunal and Ecological Change in Africa
Africa's fossil record of late Cenozoic mammals documents considerable ecological and evolutionary changes through time. Here, we synthesize those changes in the context of the mechanisms proposed to account for them, including bottom-up (e.g., climate change) and top-down (e.g., hominin impacts) processes. In doing so, we ( a) examine how the incompleteness of the fossil record and the varied spatiotemporal scales of the evidence complicate efforts to establish cause-effect relationships; ( b) evaluate hypothesized drivers of long-term ecological and evolutionary change, highlighting key unknowns; and ( c) synthesize major taxonomic and functional trends through time (e.g., downsizing of faunal communities) considering the proposed drivers. Throughout our review, we point to unresolved questions and highlight research avenues that have potential to inform on the processes that have shaped the history of what are today the most diverse remaining large mammal communities on Earth.▪ The study of late Cenozoic African mammal communities is intertwined with questions about the context, causes, and consequences of hominin evolution. ▪ The fossil record documents major functional (e.g., loss of megaherbivores) and taxonomic (e.g., rise of the Bovidae) changes over the past ∼7 Myr. ▪ Complexities inherent to the fossil record have made it difficult to identify the processes that drove ecological and evolutionary changes. ▪ Unanswered questions about the drivers of faunal change and the functioning of past ecosystems represent promising future research directions.Expected final online publication date for the Annual Review of Earth and Planetary Sciences, Volume 52 is May 2024. Please see http://www.annualreviews.org/page/journal/pubdates for revised estimates.
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来源期刊
Annual Review of Earth and Planetary Sciences
Annual Review of Earth and Planetary Sciences 地学天文-地球科学综合
CiteScore
25.10
自引率
0.00%
发文量
25
期刊介绍: Since its establishment in 1973, the Annual Review of Earth and Planetary Sciences has been dedicated to providing comprehensive coverage of advancements in the field. This esteemed publication examines various aspects of earth and planetary sciences, encompassing climate, environment, geological hazards, planet formation, and the evolution of life. To ensure wider accessibility, the latest volume of the journal has transitioned from a gated model to open access through the Subscribe to Open program by Annual Reviews. Consequently, all articles published in this volume are now available under the Creative Commons Attribution (CC BY) license.
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