期刊
QUATERNARY RESEARCH
卷 96, 期 -, 页码 88-104出版社
CAMBRIDGE UNIV PRESS
DOI: 10.1017/qua.2020.51
关键词
Africa; carnivoran; extinction; Homo; human impacts; megafauna; overkill; proboscidean
A growing body of literature proposes that our ancestors contributed to large mammal extinctions in Africa long before the appearance ofHomo sapiens, with some arguing that premodern hominins (e.g.,Homo erectus) triggered the demise of Africa's largest herbivores and the loss of carnivoran diversity. Though such arguments have been around for decades, they are now increasingly accepted by those concerned with biodiversity decline in the present-day, despite the near complete absence of critical discussion or debate. To facilitate that process, here we review ancient anthropogenic extinction hypotheses and critically examine the data underpinning them. Broadly speaking, we show that arguments made in favor of ancient anthropogenic extinctions are based on problematic data analysis and interpretation, and are substantially weakened when extinctions are considered in the context of long-term evolutionary, ecological, and environmental changes. Thus, at present, there is no compelling empirical evidence supporting a deep history of hominin impacts on Africa's faunal diversity.
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