Pollen morphology of selected tundra plants from the highArctic of Ny-lesund, Svalbard

作     者：YAO Yifeng ZHAO Qi BERA Subir LI Xiaoli LI Chengsen 

作者机构：State Key Laboratory of Systematic and Evolutionary BotanyInstitute of BotanyChinese Academy of SciencesBeijing 100093China College of Life ScienceCapital Normal UniversityBeijing 100037China Department of BotanyUniversity of CalcuttaKolkata 700019India Beijing Museum of Natural HistoryBeijing 100050China 

出 版 物：《Advances in Polar Science》 (极地科学进展（英文版）)

年 卷 期：2012年第23卷第2期

页      面：103-115页

学科分类：0710[理学-生物学] 071001[理学-植物学] 07[理学] 0707[理学-海洋科学] 

基　　金：financially supported by the Main Direction Program of Knowledge Innovation of Chinese Academy of Sciences (Grant no.KSCX2-EW-J-1) State Key Laboratory Systematics and Evolutionary Botany,Institute of Botany,Chinese Academy of Sciences (SKLSEB-IBCAS,Grant no.56176G1048) 

主　　题：Arctic Ny-A lesund pollen morphology Svalbard tundra plants 

摘      要：Documenting morphological features of modem pollen is fundamental for the identification of fossil pollen, which will assist researchers to reconstruct the vegetation and climate of a particular geologic period. This paper presents the pollen morphol- ogy of 20 species of tundra plants from the high Arctic of Ny-Alesund, Svalbard, using light and scanning electron microscopy. The plants used in this study belong to 12 families： Brassicaceae, Caryophyllaceae, Cyperaceae, Ericaceae, Juncaceae, Papav- eraceae, Poaceae, Polygonaceae, Ranunculaceae, Rosaceae, Salicaceae, and Scrophulariaceae. Pollen grain shapes included： spher- oidal, subprolate, and prolate. Variable apertural patterns ranged from 2-syncolpate, 3-colpate, 3-（-4）-colpate, 3-（-5）-colpate, 3-colporate, 5-poroid, ulcerate, ulcus to pantoporate. Exine ornamentations comprised psilate, striate-perforate, reticulate, mi- croechinate, microechinate-perforate, scabrate, granulate, and granulate-perforate. This study provided a useful reference for com- parative studies of fossil pollen and for the reconstruction of paleovegetation and paleoclimate in Svalbard region of Arctic.