检索结果-南通市图书馆

A Review on the Taxonomic,Evolutionary and Phytogeographic Studies of the Lotus Plant(Nelumbonaceae:Nelumbo)

Acta Geologica Sinica(English Edition) 2014年第4期88卷 1252-1261页

作者： li Ya Popova SVETLANA YAO Jianxin li chengsen Institute of Geology Chinese Academy of Geological Sciences Key Laboratory of Stratigraphy and Paleontology Ministry of Land and Resources of the People's Republic of China State Key Laboratory of Systematic and Evolutionary Botany Institute of BotanyChinese Academy of Sciences Laboratory of Palaeobotany Komarov Botanical InstituteRussian Academy of Sciences

Nelumbo Adans. （Nelumbonaceae） is an important member of the early-diverging eudicots. It contains two extant species： N. nucifera Gaertn. （the Sacred lotus）, distributed in Asia and Australia and N. lutea Willd. （the American lotus）, occurring in North America. This paper reviews the taxonomic, evolutionary and phytogeographic studies of the genus Nelumbo, and also raises scientific questions about it in further paleobotanic research. There are about 30 fossil species of Nelumbo established since the Early Cretaceous. Based on fossil studies, the ancestors of the extant N. nucifera and N. lutea are respectively considered to be N. protospeciosa from the Eocene to Miocene of Eurasia, and N. protolutea from the Eocene of North American. However, molecular systematic studies indicate that N. nucifera and N. lutea are probably split from a common ancestor during the Late Miocene to Early Pliocene, or even the Pleistocene, rather than separate relicts from extinct species on different continents. The characters of lotus stomatal development, seedling morphology as well as its flowering, pollination and fertilization in air reveal that it evolves from the land plants. Fossil data of Nelumbo indicates that the genus first occurs in mid-latitude area of Laurasia in the Early Cretaceous, then becomes widespread in North America and Eurasia and expands into Africa and South America during the Late Cretaceous; the genus probably colonizes the Indian Subcontinent from Asia during the Early Eocene after the collision of India and the Asian plates; the genus becomes extinct in Europe, but survives in Asia and North America during the Quaternary Ice Age, and later forms the present East Asia and North Australia-North America disjunctive distribution.

关键词： taxonomy evolution phytogeography Nelumbo Nelumbonaceae

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Early Miocene Mosses from Weichang, North China, and their Environmental Significance

引用

Acta Geologica Sinica(English Edition) 2013年第6期87卷 1508-1519页

作者： GUO Caiqing YAO Jianxin WU Pengcheng li chengsen Key Laboratory of Stratigraphy and Paleontology Institute of Geology Chinese Academy of Geological Sciences State Key Laboratory of Systematic and Evolutionary Botany Institute of Botany Chinese Academy of Sciences

Twenty-seven moss specimens collected from the Guangfayong section （Early Miocene,22.1 Ma） of the Weichang District,North China were investigated in the present *** on the morphological and anatomical features of gametophytes,all specimens were found to belong to three species：Leptodictyum riparium,Drepanocladus subtrichophyllus ***.,and Amblystegium varium,all of which belong to the family *** microhabitats and living environments of fossil mosses were also investigated based on comparison with living *** results suggest that these mosses grew primarily at the edges of rivers,streams,and lakes and favored being submerged in streams or lakes in the Weichang District in the Early Miocene.

关键词： fossil mosses Amblystegiaceae Early Miocene paleoenvironment and paleoclimate North China

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Pliocene charcoals from Shanxi Province of China and their application to studies of prehistoric wildfires

引用

Science China Earth Sciences 2011年第4期54卷 509-518页

作者： CHENG YeMing JIANG XiaoMei li chengsen WANG YuFei Department of Stratigraphy and Paleontology Geological Museum of China Beijing 100034 China Research Institute of Wood Industry Chinese Academy of Forestry Beijing 100091 China State Key Laboratory of Systematic and Evolutionary Botany Institute of Botany Chinese Academy of Sciences Beijing 100093 China

Charcoals collected from the middle-late Pliocene sediments of the Taigu Basin,Shanxi Province,China,have been identified as Ulmus sp.(Ulmaceae),Prunus sp.,Maloidoxylon sp.(Rosaceae),and Maclura sp.(Moraceae).These taxa,along with the previously known fossils,indicate the occurrence of temperate climate and local wildfire at that *** of trees and/or shrubs and the morphological changes of these charcoals demonstrate that crown fires and surface fires occurred in the Taigu Basin during the middle-late Pliocene.

关键词： Charcoal Uimus Prunus Maioidoxylon Maclura wildfire Pliocene China

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

New Fossil liverworts from the Lower Cretaceous of Western liaoning, China

引用

Acta Geologica Sinica(English Edition) 2017年第5期91卷 1542-1552页

作者： GUO Caiqing YAO Jianxin ZHANG Jianwei WU Pengcheng li chengsen Key Laboratory of Stratigraphy and Paleontology Institute of Geology Chinese Academy of Geological Science Institute of Botany Chinese Academy of Sciences Xinjiang Institute of Ecology and Geography Chinese Academy of Sciences

Sixteen liverwort specimens collected from the Lower Cretaceous Yixian Formation of Huangbanjigou Village, liaoning Province, China are studied in this work. The plants are thalloid and preserved in brown arenaceous mudstone as impressions. Based on examinations, the liverworts are assigned to two new genera and five new species： Riccardiothallus palmata sp. nov., Pallaviciniites stricta sp. nov., Pellites latithallus gen. et sp. nov., Conocephalumites hexagonites gen. et sp. nov. and Metzgerites multifidus sp. nov., belonging to five families and five genera. The fossil research indicates that the divergence of families, Aneuraceae and Metzgeriaceae, Pallaviciniaceae and Hymenophytaceae,Pelliaceae and Fossombroniaceae, was in the Lower Cretaceous（125 Ma）. The research provides significant additions to the fossil liverwort records in Western liaoning and offers fossil evidence for studying the classification and evolution of extant liverworts.

关键词： liverworts Early Cretaceous classification differentiation Western liaoning China

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Pliocene taxodiaceous fossil wood from southwestern Ukraine and its palaeoenvironmental implications

引用

Journal of Palaeogeography 2013年第4期2卷 362-368页

作者： Yi Tiemei li chengsen Svetlana Syabryaj Beijing Institute of Science and Technology Information Laboratory of Systematic and Evolutionary Botany Institute of BotanyChinese Academy of Sciences Institute of Geological Sciences National Academy of Sciences of Ukraine

Mineralized wood collected from Late Pliocene strata near Gorbki village in the Transcarpathian region of Beregovo Kholmogor’e in southwestern Ukraine was anatomically studied and *** wood possesses distinctive anatomical features and has distinct growth rings with an abrupt transition from early-to *** consists of tracheids with 1-3 seriate,dominating bi-seriate,opposite pits on the radial walls and taxodioid crossfield pitting,indentures *** are uni-seriate and 1 to 73 cells *** parenchyma horizontal walls thin and *** parenchyma distributed in early-and late-wood and is solitary and diffuse,with end walls nearly smooth or slightly *** combination of features observed in the wood indicates it belongs to the conifer family Taxodiaceae and is most similar to modern Sequoia and assigned to the fossil genus *** with species of Sequoioxylon show it is most similar to Sequoioxylon burejense,but ray tracheids were not found in our *** describe the specimens here as Sequoioxylon *** noting this *** Sequoia is distributed in the northern California coastal forest eco-region of northern California and southern Oregon in the United States where they usually grow in a unique environment with heavy seasonal precipitation(2500 mm annually),cool coastal air and fog *** study supplies magafossil evidence of Sequoioxylon as an element of the Late Pliocene forest community in Ukraine and indicates a climate with heavy seasonal precipitation and fog drip.

关键词： Late Pliocene gymnosperm conifer Sequoioxylon fossil wood Ukraine

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Paleophytochemical Constituents from the Pliocene Fossil Wood of Pinus Armandii from Longling,Yunnan

引用

Acta Geologica Sinica(English Edition) 2008年第6期82卷 1146-1151页

作者： ZHAO Youxing li chengsen YI Tiemei LUO Xiaodong ZHOU Jun State Key Laboratory of Phytochemistry and Plant Resources in West China Kunming Institute of Botany Chinese Academy of Sciences Kunming 650204 China Institute of Botany Chinese Academy of Sciences Beijing 100093 China

Specimens of fossil wood preserved lignified in Pliocene brown coal and identified as Pinus armandii Francher come from an opencast coalmine at Longling in western Yunnan Province, China. Phytochemical investigation of the fossil wood isolated using liquid column chromatography seven compounds （1-7） including a new fluorene derivative named 11,11-dimethyl-11H-benzo[b]fluorene. A further 28 volatiles were detected by gas chromatography-mass spectrometry （GC-MS）. Spectroscopic investigation methods, including MS and 1D and 2D-NMR techniques elucidated the structure of the seven compounds. Two types of natural products, isopimara and stilbene commonly occuring in extant and Pliocene fossil P. armandii indicate phytochemical fidelity during burial under certain circumstances in sediments. Discovery of stilbenes that can inhibit the activities of wood-destroying fungi in the Pliocene P. armandii prompts the assumption that the chemical preservation of this Pliocene fossil wood of P. armandii in brown coal might contribute to the presence of inner natural inhibitors against wood-destroying fungi.

关键词： Pliocene wood constituents stilbenoids phytochemistry Pinus armandii

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Tree barks as a natural trap for airborne spores and pollen grains from China

引用

Chinese Science Bulletin 2014年第19期59卷 2331-2339页

作者： Xiaoyan Song Subir Bera Yifeng Yao David K.Ferguson chengsen li College of Agronomy Shanxi Agricultural University State Key Laboratory of Systematic and Evolutionary Botany Institute of Botany Chinese Academy of Sciences Department of Botany University of Calcutta Department of Paleontology University of Vienna Althanstrasse 14 A-1090 Vienna Austria

The present article deals with the use of tree barks as a natural trap for airborne spores and pollen grains in *** study carried out at the southern part of Beijing Botanical Garden,Institute of Botany,Chinese Academy of Sciences has yielded a variety of palynomorphs mostly belonging to tree *** methodologies for extraction of palynomorphs from tree barks have been *** samples were collected from three taxa,i.e.,Paulownia fortunei Hemsl.(Scrophulariaceae),Quercus dentata Thunb.(Fagaceae),and Picea meyeri Rehder&***(Pinaceae)having different bark *** with a comparatively soft and fissured bark is believed to have a greater potential for trapping airborne spores and pollen grains compared to the stiff and less fissured barks of *** and the scaly bark of *** barks yield better data in terms of quantity and quality of trapped pollen and *** present study throws new light on the modern pollen rain,spore-pollen dispersal,and their deposition in and aroundBeijing Botanical Garden,and other different parts of China.

关键词：中国科学院现代花粉雨树皮形态孢子陷阱天然北京植物园植物研究所

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Natural traps of spores and pollen grains from the region surrounding Wenbi Reservoir, Yunnan, China

引用

科学通报 2013年第S1期58卷 162-168页

作者： SONG XiaoYan BERA Subir YAO YiFeng BLACKMORE Stephen li chengsen State Key Laboratory of Systematic and Evolutionary Botany Institute of BotanyChinese Academy of Sciences Shanxi Agricultural University Department of Botany University of Calcutta Royal Botanic Garden Edinburgh

We did a comparative analysis of pollen and spores from five kinds of natural pollen traps at Wenbi Reservoir, northwest Yunnan, China. The natural traps were the surface soil, ground inhabiting mosses, spider webs, tree bark and moss/lichen on trees. These traps showed qualitative and quantitative variations in the pollen and spore spectra. The palynomorphs recovered from the soil samples of trees and shrubs ranged from 90.54% to 95.98% of the total counts. These counts were higher than counts from ground mosses(53.13%–81.66%), spider webs(61.71%), bark samples(53.8%) and moss/lichen on trees(50%–53.6%). The result of pollen/spore analysis showed that surface soil, ground mosses and spider webs better reflect the local vegetation compared with tree bark or moss/lichen on trees.

关键词： natural pollen traps Wenbi Reservoir Yunnan China vegetation

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

New plants of Gnetales from Early Cretaceous of China, and its bearing on the early evolution of Ephedraceae and Welwitschiaceae in Gnetales

引用

科学通报 2013年第S1期58卷 200-209页

作者： liU HaiMing FERGUSON David K. li chengsen WANG YuFei Beijing Museum of Natural History Department of Paleontology University of Vienna Institute of Botany Chinese Academy of Sciences

The Gnetales are a higher group of Gymnosperms, but our current knowledge of the morphology of the early Gnetales is lacking. Most known specimens are fragmentary, which makes it difficult to elucidate the geological history and the early diversity and evolution of the group. New well-preserved specimens have been discovered in liaoning, north China, and a detailed morphological study was carried out. The material belongs to three new genera: Spinobractea lanceoleta gen. et sp. nov., Latibractea divisa gen. et sp. nov. and Constrobilus ovata gen. et sp. nov. The record of the Ephedraceae can be traced back to the Jurassic. The Ephedraceae were quite successful in the Cretaceous, and the plant types and the environment that they inhabited shown that the Cretaceous plants were much more varied than their living relatives. However, some types became extinct, and some features were lost. The record of the Welwitschiaceae can be traced back to the Triassic. Features of the leaf venation and the seeds are the primary features used for recognition of this family in both living and fossil plants. These features are so conservative that they have shown almost no major changes since the Triassic.

关键词： Early Cretaceous north China Spinobractea Latibractea Constrobilus

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Characterization and origin of charcoalified foxtail millet(Setaria italica) from the Chenyuan Site of the Western Zhou Dynasty in Shangluo, SE Shaanxi, China

引用

科学通报 2013年第S1期58卷 75-81页

作者： FENG GuangPing LU HuaYu ZHAO JianCheng YANG YaChang li chengsen ZHAO ZhiJun YUAN ShunQuan BAO Yan ZHONG Bei Beijing Museum of Natural History School of Geographic and Marine Sciences Nanjing University College of life Sciences Hebei Normal University Shaanxi Institute of Archaeology Institute of Botany Chinese Academy of Sciences Institute of Archeology Chinese Academy of Social Sciences Beijing Research Center of Urban System Engineering Beijing Academy of Science and Technology Shandong Museum

In this paper, we discuss charcoalified foxtail millet grains dated to the middle to late Western Zhou Dynasty and collected from the Chenyuan archeological site in Shangluo, in China's southeastern Shaanxi Province. We assigned these specimens to the species Setaria italica based on the following characteristics: an obtuse chalazal apex with missing stigmatic remains; an undulant seed surface composed of rectangular cells with undulate anticlinal walls; an elongated and deeply depressed embryo extending to almost the full seed length; and spherical starch grains. We suggest that the spread of foxtail millet from its original northern distribution center to the southern slopes of the Qinling Mountains could be attributed to: its prominence across Zhou crop systems; the latter area's arid or subarid climate; and the migration south of Zhou people fleeing severe conflict between their nation and northern nomads.

关键词： foxtail millet Chenyuan Western Zhou Dynasty Qinling Mountains Zhou crop

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：