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DOI | 10.1038/s41467-019-13277-0 |
Climate-human interaction associated with southeast Australian megafauna聽extinction patterns | |
[…] | |
2019-11-22 | |
发表期刊 | Nature Communications |
出版年 | 2019 |
卷号 | 10 |
英文摘要 | The mechanisms leading to megafauna (>44鈥塳g) extinctions in Late Pleistocene (126,000鈥?2,000 years ago) Australia are highly contested because standard chronological analyses rely on scarce data of varying quality and ignore spatial complexity. Relevant archaeological and palaeontological records are most often also biased by differential preservation resulting in under-representated older events. Chronological analyses have attributed megafaunal extinctions to climate change, humans, or a combination of the two, but rarely consider spatial variation in extinction patterns, initial human appearance trajectories, and palaeoclimate change together. Here we develop a statistical approach to infer spatio-temporal trajectories of megafauna extirpations (local extinctions) and initial human appearance in south-eastern Australia. We identify a combined climate-human effect on regional extirpation聽patterns suggesting that small, mobile Aboriginal populations potentially needed access to drinkable water to survive arid ecosystems, but were simultaneously constrained by climate-dependent net landscape primary productivity. Thus, the co-drivers of megafauna extirpations were themselves constrained by the spatial distribution of climate-dependent water sources. |
领域 | 资源环境 |
URL | 查看原文 |
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文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/204666 |
专题 | 资源环境科学 |
推荐引用方式 GB/T 7714 | […]. Climate-human interaction associated with southeast Australian megafauna聽extinction patterns[J]. Nature Communications,2019,10. |
APA | […].(2019).Climate-human interaction associated with southeast Australian megafauna聽extinction patterns.Nature Communications,10. |
MLA | […]."Climate-human interaction associated with southeast Australian megafauna聽extinction patterns".Nature Communications 10(2019). |
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