中国中生代木化石研究新进展:多样性变化及古气候波动
Recent advances in Mesozoic fossil wood studies in China:diversity variations and palaeoclimate implications
查看参考文献88篇
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文摘
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作为植物化石的重要组成部分,木化石不仅在探究地质历史时期植物群的组成特征和植物界演化方面发挥着重要作用,而且也是反映陆地生态系统古气候变化和古生态环境重建的重要证据之一。中国中生代木化石不仅数量丰富,而且类型多样,研究成果丰硕。近年来,在四川、重庆、云南、辽西和新疆等三叠纪—白垩纪化石产地和层位陆续发现了一批木化石新材料,进一步丰富了我们对中国中生代木化石的多样性的认识,并在利用木化石揭示三叠纪至白垩纪陆相古气候特征和变化方面取得积极进展。文中重点介绍在四川盆地晚三叠世、辽西侏罗纪燕辽生物群及早白垩世热河生物群中的木化石新发现并分析其古气候指示意义,揭示上述化石所反映的气候降温事件、古气候波动及其与带毛恐龙出现的关系等。通过对中生代木化石多样性演化、时空分布模式以及木材生长轮解剖特征的研究和分析揭示侏罗纪和白垩纪的古气候整体特征,并对中国中生代木化石研究领域存在的问题和未来的研究方向提出展望。 |
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其他语种文摘
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As an important component of plant remains,fossil wood plays a significant role in understanding the floral composition and evolution of plants in the geological past.Fossil wood is also one of the significant proxies for terrestrial palaeoclimate and palaeogeographical reconstruction in earth history.Diversified fossil wood has been documented from the Mesozoic deposits in China after a long time of investigations.During the past few years,many new fossil wood materials were reported from a variety of horizons in some fossil localities,including Sichuan,Chongqing,Yunnan,Xinjiang and Liaoning provinces,ranging from the Triassic to the Cretaceous,providing significant references for reconstructing the Mesozoic palaeoclimate in China.In this paper,we summarize the recent advances in Mesozoic fossil wood studies in China.Particularly,the new discoveries of fossil wood from the Upper Triassic in Sichuan of southern China,the Jurassic Yanliao Biota and the Early Cretaceous Jehol Biota in western Liaoning are reviewed with emphasis on the diversity variations, palaeoclimate perturbations and tempo-spatial distribution of the Mesozoic wood.The future research directions of Mesozoic fossil wood in China are also discussed. |
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来源
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地学前缘
,2017,24(1):52-64 【核心库】
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DOI
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10.13745/j.esf.2017.01.004
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关键词
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木化石
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多样性变化
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古气候波动
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中生代
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研究进展
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中国
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地址
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1.
中国科学院南京地质古生物研究所, 现代古生物学和地层学国家重点实验室, 江苏, 南京, 210008
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沈阳师范大学古生物学院, 国土资源部东北亚古生物演化重点实验室, 辽宁, 沈阳, 110034
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中国地质科学院, 北京, 100037
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中国科学院南京地质古生物研究所, 江苏, 南京, 210008
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中国地质调查局沈阳地质调查中心, 辽宁, 沈阳, 110000
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语种
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中文 |
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文献类型
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综述型 |
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ISSN
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1005-2321 |
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学科
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地质学;古生物学 |
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基金
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国家973计划
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国家自然科学基金项目
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中国科学院战略性先导科技专项
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国家重点研发计划
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中国科学院科技交叉与合作创新团队项目
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现代古生物学和地层学国家重点实验室自主项目
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开放基金项目
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文献收藏号
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CSCD:5898188
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