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Mid-Cretaceous Hothouse Climate and the Expansion of Early Angiosperms
Zhang Mingzhen1; Dai Shuang2,3; Du Baoxia2,3; Ji Liming1; Hu Shusheng4
2018-10-01
发表期刊ACTA GEOLOGICA SINICA-ENGLISH EDITION
ISSN1000-9515
卷号92期号:5页码:2004-2025
摘要The remarkable transition of early angiosperms from a small to a dominant group characterized the terrestrial ecosystem of the Cretaceous. This transition was instigated and promoted by environmental changes. Mid-Cretaceous is characterized by major geological events that affected the global environment. O-18, palaeothermometer TEX86, and other climatic indices from marine sediments suggest rapid temperature increase during mid-Cretaceous despite occasional short cooling events. Simultaneously, terrestrial deposits in East Asia changed from coal-bearing to shale, then to red beds and evaporites. Plant assemblages and other paleoclimate indicators point to rapid aridification for mid-Cretaceous terrestrial environments. In addition, the wildfires were frequently spread all over the earth by the numerous charcoal evidence during the Mid-Cretaceous. Thus, we speculate that the seasonally dry and hot conditions of mid-Cretaceous created a fiery hothouse world. Early angiosperms increased in abundance and diversity and evolved from a few aquatic species to terrestrial herbaceous and then to the diversified flora of today. Angiosperms showed rapid physiological evolution in vein density and leaf area that improved photosynthesis and water absorption. These ecophysiological changes made early angiosperms well adapted to the hot and dry environment in mid-Cretaceous. Moreover, these physiological changes facilitated the fire-angiosperm cycles in mid-Cretaceous that likely further stimulated the early angiosperm evolution.
关键词Mid-Cretaceous hothouse wildfire early angiosperm diversification
DOI10.1111/1755-6724.13692
资助者National Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Laboratory Project of Gansu Province ; Key Laboratory Project of Gansu Province ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Laboratory Project of Gansu Province ; Key Laboratory Project of Gansu Province ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Laboratory Project of Gansu Province ; Key Laboratory Project of Gansu Province ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Laboratory Project of Gansu Province ; Key Laboratory Project of Gansu Province
关键词[WOS]OCEANIC ANOXIC EVENT ; ONTONG JAVA PLATEAU ; SEA-SURFACE TEMPERATURES ; EARLY CRETACEOUS ANGIOSPERM ; ATMOSPHERIC OXYGEN ; KERGUELEN PLATEAU ; FLOWERING PLANTS ; NORTHWEST CHINA ; ATLANTIC-OCEAN ; SONGLIAO BASIN
语种英语
资助项目National Natural Science Foundation of China[41602023] ; National Natural Science Foundation of China[41402007] ; Key Laboratory Project of Gansu Province[1309RTSA041]
资助者National Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Laboratory Project of Gansu Province ; Key Laboratory Project of Gansu Province ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Laboratory Project of Gansu Province ; Key Laboratory Project of Gansu Province ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Laboratory Project of Gansu Province ; Key Laboratory Project of Gansu Province ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Laboratory Project of Gansu Province ; Key Laboratory Project of Gansu Province
WOS研究方向Geology
WOS类目Geosciences, Multidisciplinary
WOS记录号WOS:000448778800023
出版者WILEY
引用统计
文献类型期刊论文
条目标识符http://ir.iggcas.ac.cn/handle/132A11/89139
专题兰州油气中心
通讯作者Zhang Mingzhen
作者单位1.Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, Gansu Prov Key Lab Petr Resources Res, Key Lab Petr Resources, Lanzhou 730000, Gansu, Peoples R China
2.Lanzhou Univ, Key Lab Mineral Resources Western China Gansu Pro, Lanzhou 730000, Gansu, Peoples R China
3.Lanzhou Univ, Sch Earth Sci, Lanzhou 730000, Gansu, Peoples R China
4.Yale Univ, Div Paleobot, Peabody Museum Nat Hist, New Haven, CT USA
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Zhang Mingzhen,Dai Shuang,Du Baoxia,et al. Mid-Cretaceous Hothouse Climate and the Expansion of Early Angiosperms[J]. ACTA GEOLOGICA SINICA-ENGLISH EDITION,2018,92(5):2004-2025.
APA Zhang Mingzhen,Dai Shuang,Du Baoxia,Ji Liming,&Hu Shusheng.(2018).Mid-Cretaceous Hothouse Climate and the Expansion of Early Angiosperms.ACTA GEOLOGICA SINICA-ENGLISH EDITION,92(5),2004-2025.
MLA Zhang Mingzhen,et al."Mid-Cretaceous Hothouse Climate and the Expansion of Early Angiosperms".ACTA GEOLOGICA SINICA-ENGLISH EDITION 92.5(2018):2004-2025.
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