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| DOI | 10.1111/ele.13743 |
| Rapid Anthropocene realignment of allometric scaling rules | |
| Santini L.; Isaac N.J.B. | |
| 发表日期 | 2021 |
| ISSN | 1461023X |
| 起始页码 | 1318 |
| 结束页码 | 1327 |
| 卷号 | 24期号:7 |
| 英文摘要 | The negative relationship between body size and population density in mammals is often interpreted as resulting from energetic constraints. In a global change scenario, however, this relationship might be expected to change, given the size-dependent nature of anthropogenic pressures and vulnerability to extinction. Here we test whether the size-density relationship (SDR) in mammals has changed over the last 50 years. We show that the relationship has shifted down and became shallower, corresponding to a decline in population density of 31–73%, for the largest and smallest mammals, respectively. However, the SDRs became steeper in some groups (e.g. carnivores) and shallower in others (e.g. herbivores). The Anthropocene reorganisation of biotic systems is apparent in macroecological relationships, reinforcing the notion that biodiversity pattens are contingent upon conditions at the time of investigation. We call for an increased attention to the role of global change on macroecological inferences. © 2021 John Wiley & Sons Ltd. |
| 关键词 | energy-equivalence ruleglobal changemammalspopulation densitysize-density relationship |
| 英文关键词 | Mammalia; animal; biodiversity; body size; mammal; population density; Animals; Biodiversity; Body Size; Mammals; Population Density |
| 语种 | 英语 |
| 来源期刊 | Ecology Letters
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/204482 |
| 作者单位 | Department of Biology and Biotechnologies "Charles Darwin", Sapienza Università di Roma, Rome, Italy; National Research Council, Institute of Research on Terrestrial Ecosystems (CNR-IRET), Monterotondo (Rome), Italy; UK Centre for Ecology & Hydrology, Wallingford, United Kingdom |
| 推荐引用方式 GB/T 7714 | Santini L.,Isaac N.J.B.. Rapid Anthropocene realignment of allometric scaling rules[J],2021,24(7). |
| APA | Santini L.,&Isaac N.J.B..(2021).Rapid Anthropocene realignment of allometric scaling rules.Ecology Letters,24(7). |
| MLA | Santini L.,et al."Rapid Anthropocene realignment of allometric scaling rules".Ecology Letters 24.7(2021). |
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