...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Biology Bulletin >Fossil Bivalves in Marine Sediments of Vestfold Hills in Eastern Antarctica
【24h】

Fossil Bivalves in Marine Sediments of Vestfold Hills in Eastern Antarctica

机译：南极东部Vestfold Hills海洋沉积物中的化石双壳类

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Bivalves collected in Vestfold Hills during the 55th Russian Antarctic Expedition (RAE, 2009-2010) are represented by five species. Four of them (Laternula elliptica, Thracia meridionalis, Adamussium colbecki, and Philobrya sublaevis) were collected in the sediments that filled the coastal lake terraces during the Holocene; these species are still abundant on the Antarctic shelf at present. Bivalves were found in eight samples, with L. elliptica shells and fragments thereof found in seven of those samples. The sample collected near Deep Lake had the most diverse species composition, as it contained all four species named above. Shells of named species widely occurring in present-day Antarctica were found high above sea level in the marine sediments of the oasis. This indicate to the similarity of the oasis habitats in the past and the recent marine conditions. Fragments of shells of the fifth (now extinct) species Ruthipecten tuftsensis were found in glacial-marine sediments of the Marine Plain dating back to the late Pleistocene. The present study of fossil bivalves from the late Cenozoic marine sediments in Vestfold Hills is the first of its kind in Russia.
机译：第55届俄罗斯南极探险队（RAE，2009-2010）在Vestfold Hills收集的双壳类代表五个物种。其中有四个（椭圆形小菜，子午线藻，金刚子和白粉蝶）收集在全新世期间充满沿海湖泊阶地的沉积物中。这些物种目前在南极大陆架上仍然丰富。在八个样本中发现了双壳类，在其中七个样本中发现了椭圆形螺壳及其片段。在深湖附近收集的样品具有最多样化的物种组成，因为它包含上面提到的所有四个物种。在绿洲的海洋沉积物中，高海拔地区发现了当今南极广泛存在的命名物种的壳。这表明了过去和最近的海洋条件下绿洲生境的相似性。第五种（现已灭绝）物种Ruthipecten tuftsensis的贝壳碎片发现于可追溯至更新世晚期的海洋平原的冰川-海洋沉积物中。目前，在Vestfold Hills的新生代晚期海洋沉积物中的化石双壳类动物的研究是俄罗斯的第一项研究。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号