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澳大利亚轮藻植物LYCHNOTHAMNUS BARBATUS(MEYEN)LEONHARDI藏卵器统计分析及与欧洲同类植物的对比研究

LYCHNOTHAMNUS BARBATUS (MEYEN) LEONHARDI FROM AUSTRALIA:STATICTICAL ANALYSIS OF ITS GYROGONITE AND COMPARISON WITH EUROPEAN COLLECTIONS
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摘要 Lychnthamnus(Characeae)为一分布于欧洲和大洋洲的单型属,该类植物日趋衰落.过去十年中,仅在澳大利亚昆士兰州华莱士湾发现数量丰富生长良好的L. barbatus(Meyen)Leonhrdi.本文对澳大利亚现生L.barbatus藏卵器进行描述、统计分析和扫描照相,并与其它地区同类现生和化石藏卵器进行对比,结果表明澳大利亚的藏卵器除形状偏长球形、宽度较小、钙化较弱外,其余特征与欧洲植物较为一致.钙化减弱的原因可能与澳大利亚热带地区由季风造成的洪水泛滥降低了水体中离子的浓度有关.
作者 AdrianaGARCIA
出处 《微体古生物学报》 CSCD 北大核心 2003年第2期111-117,共7页 Acta Micropalaeontologica Sinica
基金 opportunity to collect L.barbatus, to D.Carrie
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参考文献14

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