| Fire dynamics under monsoonal climate in Yunnan, SW China: past, present and future | |
Li, Shufeng1,3; Hughes, Alice C.4; Su, Tao1; Anberree, Julie Lebreton1; Oskolski, Alexei A.5,6; Sun, Mei7; Ferguson, David K.8; Zhou, Zhekun1,2
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| 2017 | |
| 发表期刊 | PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
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| 卷号 | 465期号:1页码:168-176 |
| 摘要 | Climate change is likely to alter wildfire regimes, but the significance of climate-driven factors in regional fire regimes over extended temporal scales is poorly understood. Comparison of the reconstructed fire dynamics from charcoals in sediments with modern active fires may provide clues about the drivers of wildfire activities, and help us validate models of fire activity for both the past and the future. Microscopic charcoals from Miocene sediments in Wenshan Basin (Yunnan, southwestern China), were used to reconstruct fire dynamics in deep time. Palaeoclimatic data were obtained from the previous quantitative reconstruction using pollen samples from a sedimentary sequence. The relationship between palaeoclimatic parameters and the ratio of charcoals during the Miocene was explored, and compared with maximum entropy (Maxent) model results throughout different time periods. Our results indicate that the temperature in the dry season was the main factor controlling the frequency of fire in Wenshan during the Miocene. Maxent modeling results based on the modern active fire dataset of Yunnan Province from NASA Earth observations are consistent with the results from fossil sediment analysis, that dry season temperature is the main driver of fire activity. Our findings suggest a significant fire-temperature relationship under the monsoonal climate since the Neogene. Furthermore, models suggest that the last-glacial maximum (LGM) had lower levels of fire activity than present, which increased during the Holocene prior to reaching present levels. Models also predict increases in fire activity across most of Yunnan in the future. (C) 2016 Elsevier B.V. All rights reserved. |
| 关键词 | Charcoal Miocene Wildfire Southweitern China Climate Temperature |
| DOI | 10.1016/j.palaeo.2016.10.028 |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000390504800012 |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.kib.ac.cn/handle/151853/33795 |
| 专题 | 中国科学院东亚植物多样性与生物地理学重点实验室 |
| 作者单位 | 1.Chinese Acad Sci, Xishuangbanna Trop Bot Garden, Key Lab Trop Forest Ecol, Mengla 666303, Yunnan, Peoples R China 2.Chinese Acad Sci, Kunming Inst Bot, Key Lab Biogeog & Biodivers, Kunming 650204, Peoples R China 3.Chinese Acad Sci, Nanjing Inst Geol & Paleontol, State Key Lab Paleobiol & Stratig, Nanjing 210008, Jiangsu, Peoples R China 4.Chinese Acad Sci, Xishuangbanna Trop Bot Garden, Ctr Integrat Conservat, Mengla 666303, Yunnan, Peoples R China 5.Univ Johannesburg, Dept Bot & Plant Biotechnol, POB 524, ZA-2006 Johannesburg, South Africa 6.Komarov Bot Inst, Prof Popov Str 2, St Petersburg 197376, Russia 7.Southwest Forestry Univ, Natl Plateau Wetlands Res Ctr, Kunming 650224, Peoples R China 8.Univ Vienna, Dept Paleontol, Althanstr 14, A-1090 Vienna, Austria |
| 推荐引用方式 GB/T 7714 | Li, Shufeng,Hughes, Alice C.,Su, Tao,et al. Fire dynamics under monsoonal climate in Yunnan, SW China: past, present and future[J]. PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,2017,465(1):168-176. |
| APA | Li, Shufeng.,Hughes, Alice C..,Su, Tao.,Anberree, Julie Lebreton.,Oskolski, Alexei A..,...&Zhou, Zhekun.(2017).Fire dynamics under monsoonal climate in Yunnan, SW China: past, present and future.PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,465(1),168-176. |
| MLA | Li, Shufeng,et al."Fire dynamics under monsoonal climate in Yunnan, SW China: past, present and future".PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY 465.1(2017):168-176. |
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