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| DOI | 10.1038/s43247-024-01340-8 |
| Boreal forest cover was reduced in the mid-Holocene with warming and recurring wildfires | |
| 发表日期 | 2024 |
| EISSN | 2662-4435 |
| 起始页码 | 5 |
| 结束页码 | 1 |
| 卷号 | 5期号:1 |
| 英文摘要 | The hemi-boreal zone, marking North America's southern boreal forest boundary, has evolved post-glaciation, hosting diverse ecosystems including mixed forests with savannas, grasslands, and wetlands. While human, climate, and fire interactions shape vegetation dynamics therein, specific influences remain unclear. Here we unveil 12,000 years of hemi-boreal zone dynamics, exploring wildfire, vegetation, climate, and human population size interactions at such long time scales. Postglacial biomass burning exhibited episodes of persistent elevated activity, and a pivotal shift around 7000 years ago saw the boreal forest transition to an oak-pine barren ecosystem for about 2000 years before reverting. This mid-Holocene shift occurred during a period of more frequent burning and a sudden uptick in mean annual temperatures. Population size of Indigenous peoples mirrored wildfire fluctuations, decreasing with more frequent burning. Anticipated increases of fire activity with climate change are expected to echo transformations observed 7000 years ago, reducing boreal forest extent, and impacting land use. The boreal forest transformed into a dry oak-pine ecosystem in the hemiboreal zone of North America 7000 years ago, probably as a result of rising temperatures and increased fire activity, according to an analysis of palaeoecological records, palaeoclimate simulations, and archaeological data. |
| 语种 | 英语 |
| WOS研究方向 | Environmental Sciences & Ecology ; Geology ; Meteorology & Atmospheric Sciences |
| WOS类目 | Environmental Sciences ; Geosciences, Multidisciplinary ; Meteorology & Atmospheric Sciences |
| WOS记录号 | WOS:001196970200005 |
| 来源期刊 | COMMUNICATIONS EARTH & ENVIRONMENT
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| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/287883 |
| 作者单位 | Natural Resources Canada; Canadian Forest Service; University of Quebec; University of Quebec Montreal; University of Quebec; University Quebec Abitibi-Temiscamingue; Centre National de la Recherche Scientifique (CNRS); Institut de Recherche pour le Developpement (IRD); Universite de Montpellier; Universite PSL; Ecole Pratique des Hautes Etudes (EPHE); University of Ottawa; Universite de Montreal; University of Winnipeg |
| 推荐引用方式 GB/T 7714 | . Boreal forest cover was reduced in the mid-Holocene with warming and recurring wildfires[J],2024,5(1). |
| APA | (2024).Boreal forest cover was reduced in the mid-Holocene with warming and recurring wildfires.COMMUNICATIONS EARTH & ENVIRONMENT,5(1). |
| MLA | "Boreal forest cover was reduced in the mid-Holocene with warming and recurring wildfires".COMMUNICATIONS EARTH & ENVIRONMENT 5.1(2024). |
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