Pollen morphology of selected tundra plants from the high Arctic of Ny-Ålesund, Svalbard

doi:10.3724/SP.J.1085.2012.00103

极地研究 ›› 2012, Vol. 23 ›› Issue (2-English): 103-115.DOI: 10.3724/SP.J.1085.2012.00103

Pollen morphology of selected tundra plants from the high Arctic of Ny-Ålesund, Svalbard

YAO Yifeng¹, ZHAO Qi², BERA Subir³, LI Xiaoli⁴ & LI Chengsen¹

¹ State Key Laboratory of Systematic and Evolutionary Botany, Institute of Botany, Chinese Academy of Sciences;
² College of Life Science, Capital Normal University;
³Department of Botany, University of Calcutta;
⁴ Beijing Museum of Natural History

收稿日期:2012-04-12 修回日期:2012-03-25 出版日期:1962-06-30 发布日期:1962-06-30
通讯作者: YAO Yifeng

Pollen morphology of selected tundra plants from the high Arctic of Ny-Ålesund, Svalbard

YAO Yifeng¹, ZHAO Qi², BERA Subir³, LI Xiaoli⁴ & LI Chengsen¹

¹ State Key Laboratory of Systematic and Evolutionary Botany, Institute of Botany, Chinese Academy of Sciences;
² College of Life Science, Capital Normal University;
³Department of Botany, University of Calcutta;
⁴ Beijing Museum of Natural History

Received:2012-04-12 Revised:2012-03-25 Online:1962-06-30 Published:1962-06-30
Contact: YAO Yifeng

摘要/Abstract

摘要： Investigation of the modern pollen morphology in any area is fundamental for identification of the fossil pollen and reconstruction of past vegetation and climate of that area. This paper presents the pollen morphology of 20 species of tundra plants from the high Arctic of Ny-Alesund, Svalbard, using the light microscopy and scanning electron microscopy. The investigated plants belong to 12 families, viz., Brassicaceae, Caryophyllaceae, Cyperaceae, Ericaceae, Juncaceae, Papaveraceae, Poaceae, Polygonaceae, Ranunculaceae, Rosaceae, Salicaceae, and Scrophulariaceae. Shapes of the studied pollen grains include spheroidal, subprolate and prolate. Variable apertural patterns ranging from 3-(-5)-colpate, 3-colporate, 5-poroid, ulcus to pantoporate are recorded. Exine ornamentations comprise psilate, striate-perforate, reticulate, microechinate, microechinate-perforate, scabrate, granulate and granulate-perforate. This study provides a useful reference for comparative studies of fossil pollen and for the reconstruction of palaeovegetation and palaeoclimate in Svalbard region of Arctic.

关键词: Arctic, Ny-Ålesund, pollen morphology, Svalbard, tundra plants

Abstract: Investigation of the modern pollen morphology in any area is fundamental for identification of the fossil pollen and reconstruction of past vegetation and climate of that area. This paper presents the pollen morphology of 20 species of tundra plants from the high Arctic of Ny-Alesund, Svalbard, using the light microscopy and scanning electron microscopy. The investigated plants belong to 12 families, viz., Brassicaceae, Caryophyllaceae, Cyperaceae, Ericaceae, Juncaceae, Papaveraceae, Poaceae, Polygonaceae, Ranunculaceae, Rosaceae, Salicaceae, and Scrophulariaceae. Shapes of the studied pollen grains include spheroidal, subprolate and prolate. Variable apertural patterns ranging from 3-(-5)-colpate, 3-colporate, 5-poroid, ulcus to pantoporate are recorded. Exine ornamentations comprise psilate, striate-perforate, reticulate, microechinate, microechinate-perforate, scabrate, granulate and granulate-perforate. This study provides a useful reference for comparative studies of fossil pollen and for the reconstruction of palaeovegetation and palaeoclimate in Svalbard region of Arctic.

Key words: Arctic, Ny-Ålesund, pollen morphology, Svalbard, tundra plants

YAO Yifeng，ZHAO Qi，BERA Subir，LI Xiaoli & LI Chengsen. Pollen morphology of selected tundra plants from the high Arctic of Ny-Ålesund, Svalbard[J]. 极地研究, 2012, 23(2-English): 103-115.

YAO Yifeng，ZHAO Qi，BERA Subir，LI Xiaoli & LI Chengsen. Pollen morphology of selected tundra plants from the high Arctic of Ny-Ålesund, Svalbard[J]. ADVANCES IN POLAR SCIENCE, 2012, 23(2-English): 103-115.

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Pollen morphology of selected tundra plants from the high Arctic of Ny-Ålesund, Svalbard

Pollen morphology of selected tundra plants from the high Arctic of Ny-Ålesund, Svalbard

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