全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
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作者:... Yifeng Yao , David K. Ferguson , Chengsen Li
来源:[J].Chinese Science Bulletin(IF 1.319), 2014, Vol.59 (19), pp.2331-2339Springer
摘要:Abstract(#br)The present article deals with the use of tree barks as a natural trap for airborne spores and pollen grains in China. The study carried out at the southern part of Beijing Botanical Garden, Institute of Botany, Chinese Academy of Sciences has yielded a variety of pa...
作者:Qigao Sun , Liqun Chen , Chengsen Li
来源:[J].Chinese Science Bulletin(IF 1.319), 1999, Vol.44 (7), pp.577-582Springer
摘要:Abstract(#br)A novel and multi-disciplinary subject involving the relationships between changes in atmospheric C0 2 concentration throughout the geological history and features of plant anatomy is reviewed. Particular attention will be given to stomatal parameters (stomatal densi...
作者:... XiaoMei Jiang , ChengSen Li , YuFei Wang
来源:[J].Science China Earth Sciences(IF 1.255), 2011, Vol.54 (4), pp.509-518Springer
摘要:Abstract(#br)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 foss...
作者:... Jianxin YAO , Pengcheng WU , Chengsen LI
来源:[J].Acta Geologica Sinica ‐ English Edition(IF 1.568), 2013, Vol.87 (6), pp.1508-1519Wiley
摘要:Abstract(#br)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 study. Based on the morphological and anatomical features of gametophytes, all specimens were found...
作者:... Steven R. Manchester , Chengsen Li , Baoyin Geng
来源:[J].International Journal of Plant Sciences(IF 1.54), 2010, Vol.171 (2), pp.221-226JSTOR
摘要:The earliest known Asian records ofUlmusfruits are reported based on fossils from the Early Eocene Jijuntun Formation of Fushun coal mine, Liaoning Province, northeastern China. These fruits and associated leaves are morphologically similar to those ofUlmus okanaganensisDenk & Di...

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