| Distribution of molluscan remains in the sediment of the Chukchi Sea and its vicinity, the Arctic |
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| 作者姓名： | Gao Aiguo Xu Fengshan Sun Haiqing Li Lon |
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| 作者单位： | Gao Aiguo 1，2，Xu Fengshan3，Sun Haiqing 1，2，Li Lon1 1. First Institute of Oceanography，State Oceanic Administration，Qingdao 266061，China. 2. Key Laboratory of Marine Sedimentology and Environmental Geology，State Oceanic Administration，Qingdao 266061，China 3. Institute of Oceanology，Chinese Academy of Sciences，Qingdao 266071，China |
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| 基金项目： | ThisstudywassupportedbytheNationalNaturalScienceFoundationofChinaundercontractNo .4 98730 15and4 0 176 0 17andSpecialFoundationfortheFirstChineseArcticScientificInvestigation . |
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| 摘 要： | INTRODUCTIONInordertostudythemarinesedimentationoftheChukchiSeaandBeringSeaandgathertheinformationofpaleoceanographyandpaleoenvironment,theFirstChineseNationalArcticResearchExpeditionTeamcollectedbenthonicmolluscansamplesintheChukchiSea ,BeaufortSeaandBeringSeafromJuly 1sttoSeptember 9th ,1 999byicebreakerXuelong .ItwasnotonlythefirstsamplingthatChinesescientistscollectedmolluscaremainsinabove mentionedar eas,butalsooneofinvestigationsinasinglecruisewithhighersamplingrateandalotofb…
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| 关 键 词： | Chukchi Sea Beaufort Sea Bering Sea molluscan remains |
| 收稿时间： | 4/8/2003 12:00:00 AM |
| 修稿时间： | 2003/6/12 0:00:00 |
Distribution of molluscan remains in the sediment of the Chukchi Sea and its vicinity, the Arctic |
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| Gao Aiguo,Xu Fengshan,Sun Haiqing,Li Lon.Distribution of molluscan remains in the sediment of the Chukchi Sea and its vicinity, the Arctic[J].Acta Oceanologica Sinica,2003,22(4):607-619. |
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| Authors: | Gao Aiguo Xu Fengshan Sun Haiqing and Li Lon |
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| Institution: | 1.First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China;Key Laboratory of Marine Sedimentology and Environmental Geology, State Oceanic Administration, Qingdao 266061, China2.Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China3.First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China |
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| Abstract: | The result of an analysis of mollusca remains collected from the Chukchi Sea, Beaufort Sea and Bering Sea in the First Chinese National Arctic Research Expedition, from July to September,1999 is presented. Seventeen species of mollusca have been identified, which belong to two classes: Bivalvia and Gastropoda. The compositions of the mollusca are very simple. According to the distribution pattern two groups may be distinguished among molluscan species. The Pan-Arctic and circumboreal group comprises Nuculana pernula, N. radiata, Nucula bellotii, Astarte montagui, Seripes groenlandicus, Macoma calcarea, M. moesta alaskana, Liocyma fluctuosa, Mya pseudoarenaria and Turritella polaris. Three species, Cyclocardia crebricos tata, Trichotrois coronata and Argobuccinum oregonense are components of the Pan-Arctic and Pacific boreal group. With regard to feeding habits, detritus feeders dominate. There are 7 species of detritus feeders, i.e. , Nuculana pernula, N. radiata,Nucula bellotii , Macoma calcarea , M. moesta alaskana , Macoma sp. and Trichotropis coronata . Detritus feeders are dominant with regard to the numbers of species as well as to the frequency of occurrence. Macoma calcarea is the most abundant species. |
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| Keywords: | Chukchi Sea Beaufort Sea Bering Sea molluscan remains |
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