Fast response of vegetation in East Asia to abrupt climatic events during the last deglaciation
Abstract Climate changes had major impacts on the vegetation of East Asia during the last deglaciation. However, the rate and pattern of vegetation succession in response to large-scale climatic events during this interval are controversial. Here, we present well-dated decadal-resolution pollen reco...
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Online Access: | http://dx.doi.org/10.1093/pnasnexus/pgad061 https://academic.oup.com/pnasnexus/article-pdf/2/3/pgad061/50969646/pgad061.pdf |
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croxfordunivpr:10.1093/pnasnexus/pgad061 2024-10-13T14:07:39+00:00 Fast response of vegetation in East Asia to abrupt climatic events during the last deglaciation Xu, Deke Lu, Houyuan Chu, Guoqiang Shen, Caiming Sun, Qing Wu, Jing Li, Fengjiang Song, Bing Cui, Anning Li, Hao Wu, Naiqin Ladisch, Michael NSFC NKPC NSFC SPRPCAS Special Project for Basic Research of Yunnan Province—Key Project 2023 http://dx.doi.org/10.1093/pnasnexus/pgad061 https://academic.oup.com/pnasnexus/article-pdf/2/3/pgad061/50969646/pgad061.pdf en eng Oxford University Press (OUP) https://creativecommons.org/licenses/by-nc-nd/4.0/ PNAS Nexus volume 2, issue 3 ISSN 2752-6542 journal-article 2023 croxfordunivpr https://doi.org/10.1093/pnasnexus/pgad061 2024-09-17T04:26:24Z Abstract Climate changes had major impacts on the vegetation of East Asia during the last deglaciation. However, the rate and pattern of vegetation succession in response to large-scale climatic events during this interval are controversial. Here, we present well-dated decadal-resolution pollen records from annually laminated Maar Lake Xiaolongwan during the last deglaciation. The vegetation changes were rapid and near-synchronous with millennial-scale climatic events, including Greenland Stadial 2.1a (GS-2.1a), Greenland Interstadial 1 (GI-1), Greenland Stadial 1 (GS-1), and the early Holocene (EH). The vegetation responded in different ways to the different rates of climate change. Vegetation change was gradual [∼1 thousand years (kyr) response time] during the transition between GS-2.1a and GI-1, but it was faster (∼0.4 kyr response time) during the transitions between GI-1, GS-1, and the EH, resulting in different patterns of vegetation succession. Additionally, the amplitude and pattern of vegetation changes resembled those in the records of regional climate change based on long-chain n-alkanes δ13C and stalagmite δ18O, as well as in the mid-latitude Northern Hemisphere temperature record and the Greenland ice core δ18O record. Therefore, the rate and pattern of vegetation succession in the Changbai Mountain of Northeast Asia during the last deglaciation were sensitive to the characteristics of changes in the regional hydrothermal conditions and mid-latitude Northern Hemisphere temperature, which were linked to both high- and low-latitude atmospheric-oceanic dynamics. Overall, our findings reveal a close relationship between ecosystem succession and hydrothermal changes during these millennial-scale climatic events in East Asia during the last deglaciation. Article in Journal/Newspaper Greenland Greenland ice core ice core Oxford University Press Greenland PNAS Nexus 2 3 |
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Open Polar |
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Oxford University Press |
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croxfordunivpr |
language |
English |
description |
Abstract Climate changes had major impacts on the vegetation of East Asia during the last deglaciation. However, the rate and pattern of vegetation succession in response to large-scale climatic events during this interval are controversial. Here, we present well-dated decadal-resolution pollen records from annually laminated Maar Lake Xiaolongwan during the last deglaciation. The vegetation changes were rapid and near-synchronous with millennial-scale climatic events, including Greenland Stadial 2.1a (GS-2.1a), Greenland Interstadial 1 (GI-1), Greenland Stadial 1 (GS-1), and the early Holocene (EH). The vegetation responded in different ways to the different rates of climate change. Vegetation change was gradual [∼1 thousand years (kyr) response time] during the transition between GS-2.1a and GI-1, but it was faster (∼0.4 kyr response time) during the transitions between GI-1, GS-1, and the EH, resulting in different patterns of vegetation succession. Additionally, the amplitude and pattern of vegetation changes resembled those in the records of regional climate change based on long-chain n-alkanes δ13C and stalagmite δ18O, as well as in the mid-latitude Northern Hemisphere temperature record and the Greenland ice core δ18O record. Therefore, the rate and pattern of vegetation succession in the Changbai Mountain of Northeast Asia during the last deglaciation were sensitive to the characteristics of changes in the regional hydrothermal conditions and mid-latitude Northern Hemisphere temperature, which were linked to both high- and low-latitude atmospheric-oceanic dynamics. Overall, our findings reveal a close relationship between ecosystem succession and hydrothermal changes during these millennial-scale climatic events in East Asia during the last deglaciation. |
author2 |
Ladisch, Michael NSFC NKPC NSFC SPRPCAS Special Project for Basic Research of Yunnan Province—Key Project |
format |
Article in Journal/Newspaper |
author |
Xu, Deke Lu, Houyuan Chu, Guoqiang Shen, Caiming Sun, Qing Wu, Jing Li, Fengjiang Song, Bing Cui, Anning Li, Hao Wu, Naiqin |
spellingShingle |
Xu, Deke Lu, Houyuan Chu, Guoqiang Shen, Caiming Sun, Qing Wu, Jing Li, Fengjiang Song, Bing Cui, Anning Li, Hao Wu, Naiqin Fast response of vegetation in East Asia to abrupt climatic events during the last deglaciation |
author_facet |
Xu, Deke Lu, Houyuan Chu, Guoqiang Shen, Caiming Sun, Qing Wu, Jing Li, Fengjiang Song, Bing Cui, Anning Li, Hao Wu, Naiqin |
author_sort |
Xu, Deke |
title |
Fast response of vegetation in East Asia to abrupt climatic events during the last deglaciation |
title_short |
Fast response of vegetation in East Asia to abrupt climatic events during the last deglaciation |
title_full |
Fast response of vegetation in East Asia to abrupt climatic events during the last deglaciation |
title_fullStr |
Fast response of vegetation in East Asia to abrupt climatic events during the last deglaciation |
title_full_unstemmed |
Fast response of vegetation in East Asia to abrupt climatic events during the last deglaciation |
title_sort |
fast response of vegetation in east asia to abrupt climatic events during the last deglaciation |
publisher |
Oxford University Press (OUP) |
publishDate |
2023 |
url |
http://dx.doi.org/10.1093/pnasnexus/pgad061 https://academic.oup.com/pnasnexus/article-pdf/2/3/pgad061/50969646/pgad061.pdf |
geographic |
Greenland |
geographic_facet |
Greenland |
genre |
Greenland Greenland ice core ice core |
genre_facet |
Greenland Greenland ice core ice core |
op_source |
PNAS Nexus volume 2, issue 3 ISSN 2752-6542 |
op_rights |
https://creativecommons.org/licenses/by-nc-nd/4.0/ |
op_doi |
https://doi.org/10.1093/pnasnexus/pgad061 |
container_title |
PNAS Nexus |
container_volume |
2 |
container_issue |
3 |
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1812814144546537472 |